6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private IssuerPursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

For the month of September 2025

Commission File Number 001-41188

ADS-TEC ENERGY PUBLIC LIMITED COMPANY

(Translation of registrant’s name into English)

10 Earlsfort Terrace

Dublin 2, D02 T380, Ireland

Telephone: +353 1 920 1000

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒           Form 40-F ☐

On September 19, 2025 ADS-TEC ENERGY PLC (the “Company”) issued a press release entitled “ADS-TEC Energy (ADSE) reports H1 2025 Financial Results and Trading Update,” (the “Press Release”) in which the Company reported its financial and operational results for the six months ended June 30, 2025, a copy of which is furnished as Exhibit 99.1 hereto. Additionally, the Company made available to its investors its unaudited consolidated financial information for the six months ended June 30, 2025 and is furnished as Exhibit 99.2 hereto.

The information furnished in this Form 6-K, including the information contained in Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by a specific reference in such filing.

This Form 6-K includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. The Company’s actual results may differ from its expectations, estimates and projections and consequently, you should not rely on these forward-looking statements as predictions of future events. Words such as “expect,” “estimate,” “project,” “budget,” “forecast,” “anticipate,” “intend,” “plan,” “may,” “will,” “could,” “should,” “believe,” “hope,” “predict,” “potential,” “continue,” and similar expressions are intended to identify such forward-looking statements. These forward-looking statements include the Company’s expectations with respect to future performance and involve significant risks and uncertainties that could cause the actual results to differ materially from the expected results. Most of these factors are outside the Company’s control and are difficult to predict. Factors that may cause such differences include but are not limited to risks and uncertainties incorporated by reference under “Risk Factors” in the Company’s Form 20-F (SEC File No. 001-41188) filed with the U.S. Securities and Exchange Commission (the “SEC”) on May 12, 2025, and in the Company’s other filings with the SEC. The Company cautions that the foregoing list of factors is not exclusive. The Company cautions readers not to place undue reliance upon any forward-looking statements, which speak only as of the date made. The Company does not undertake or accept any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements to reflect any change in its expectations or any change in events, conditions, or circumstances on which any such statement is based.

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release
99.2	Interim Consolidated Financial Information

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Dated: September  19, 2025	ads-tec Energy PLC
	By:	/s/ Stefan Berndt-von Bülow
	Name:	Stefan Berndt-von Bülow
	Title:	Chief Financial Officer

2

Exhibit99.1

ADS-TEC Energy Reports Financial Results forHY1 2025

NÜRTINGEN, Germany – 19, September 2025 - ADS-TEC Energy PLC (NASDAQ: ADSE) (the “Company”), a global leader in battery-based energy storage and fast-charging systems, today announced its unaudited interim condensed consolidated financial statements for the first half of the year 2025, covering the period ended June 30, 2025.

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Financial Highlights

●	The first half of the year was slower as the legacy electric vehicle charging<br>business experienced some delays. Importantly, no significant business opportunities have been lost. Market demand, particularly<br>in the commercial & industrial (C&I) division, continues to demonstrate sustained strength and the Company is actively expandingits business model.
●	Revenue of €14.6 million for the period.
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●	Strong growth in service revenues to €4.6 million in HY1<br>2025. Total recurring service revenues have almost tripled compared to €1.6 million in HY1 2024, through an increase in the<br>installed base.
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●	The Company maintains a solid cash position of €37.9 million.
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Business Development

●	Exceptional growth in the C&I division, with product demand now<br>in the low hundred million euros in potential gross bookings – up from virtual non-existent levels last year. This is fueled by<br>powerful secular growth drivers such as rising energy demand (AI, electrification) and increasing grid constraints.
●	Battery-based intelligent flexibility lies at the core of ADS-TEC<br>Energy’s business model, ideally positioning the Company to capture the significant boom ahead in BESS.
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●	Significant progress has been made in building a recurring revenuemodel. Multi-revenue services – including energy management features (e.g. trading) and advertising – scale naturally<br>with the expanding network and installed base in Own & Operate.
---	---
●	Over 100 Own & Operate locations are already secured in the initial<br>phase, with battery-buffered chargers now on track to being installed at blue-chip retailers. Attractive Own & Operate opportunities<br>are also emerging within C&I.
---	---
●	About eight months ago, ADS-TEC Energy began developing one of the largestBESS projects worldwide. The Company has already received unanimous approval for this project from the city council responsible, as<br>well as positive feedback regarding the connection to the extra-high voltage power grid. This large-scale BESS project will be implementedin southern Germany over several years until completion and will boast impressive figures of around 900 MW power and around 1.8GWh capacity. The Company expects to complete both the project development of and financing for the project in 2026.
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The acting mayor of the local community and Thomas Speidel,CEO of ADS-TEC Energy, are delighted that one of Europe’s largest storage projects has received unanimous approval from the municipalcouncil and that the regulatory approval process has already begun. With a flexibility of 900 MW and 1.8 GWh, significant contributionscan be made to our energy system and society as a whole. Local solar fields will also optimize the plants’ own consumption. Once completed,the project is planned to run for several decades.

●	Combining large-scale BESS with full or partial ownership, intelligent operation,<br>and long-term services has the potential to generate highly attractive returns, substantially strengthening the group’scash flow profile going forward.

Building on Success

1.	Expect deferred demand of charging business to surge in the coming quarters, fueled by continued EV adoption and severe deficit<br>of charging infrastructure. We also foresee fleet and corporate car demand to drive EV market growth in 2025 and beyond.
2.	Service revenues are anticipated to grow further strong.
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3.	Expect established robust C&I sales pipeline to begin translating into meaningful sales.
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4.	Own & Operate business will start contributing to the Company’s revenues.
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In line with its strategic priorities to implement a robust long-term capital structure, the Company is assessing options to refinance its existing convertible notes (which may include bonds, bilateral loans or other debt facilities).

About ADS-TEC Energy

Based on more than ten years of experience with lithium-ion technologies, ADS-TEC Energy develops and produces battery storage solutions and fast charging systems including their energy management systems. Its battery-based fast-charging technology enables electric vehicles to charge ultra-fast even with weak power grids and is characterized by a very compact design. The Company, based in Nürtingen, Baden-Württemberg, was nominated for the German Future Prize by the Federal President and was included in the “Circle of Excellence” in 2022. The high quality and functionality of the battery systems is due to a particularly high level of in-depth development and in-house production. With its advanced system platforms, ADS-TEC Energy is a valuable partner for car manufacturers, energy supply companies and charging station operators.

More information at: www.ads-tec-energy.com

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2

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Forward-looking Statements

This press release contains forward-looking statements within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. Words such as “expect,” “estimate,” “project,” “budget,” “forecast,” “anticipate,” “intend,” “plan,” “may,” “will,” “could,” “should,” “believes,” “predicts,” “potential,” “continue,” and similar expressions are intended to identify such forward-looking statements. These forward-looking statements include statements regarding the delivery and installation of the PowerBoosters, our expectations with respect to future performance and the anticipated timing of certain commercial activities. There are a significant number of factors that could cause actual results to differ materially from the statements made in this press release, including: the impact of the COVID-19 pandemic, geopolitical events including the Russian invasion of Ukraine, macroeconomic trends including changes in inflation or interest rates, or other events beyond our control on the overall economy, our business and those of our customers and suppliers, including due to supply chain disruptions and expense increases; our limited operating history as a public company; our dependence on widespread acceptance and adoption of EVs and increased installation of charging stations; our current dependence on sales to a limited number of customers for most of our revenues; overall demand for EV charging and the potential for reduced demand for EVs if governmental rebates, tax credits and other financial incentives are reduced, modified or eliminated or governmental mandates to increase the use of EVs or decrease the use of vehicles powered by fossil fuels, either directly or indirectly through mandated limits on carbon emissions, are reduced, modified or eliminated; supply chain interruptions and expense increases; unexpected delays in new product introductions; our ability to expand our operations and market share in Europe and the U.S.; the effects of competition; changes to battery energy storage standards; and the risk that our technology could have undetected defects or errors. Additional risks and uncertainties that could affect our financial results are included under “Item 3. Key Information – 3.D. Risk Factors” in our annual report on Form 20-F filed with the Securities and Exchange Commission (the “SEC”) on May 12, 2025, which is available on our website at https://www.ads-tec-energy.com and on the SEC’s website at www.sec.gov. Additional information will also be set forth in other filings that we make with the SEC from time to time. All forward-looking statements in this press release are based on information available to us as of the date hereof, and we do not assume any obligation to update the forward-looking statements provided to reflect events that occur or circumstances that exist after the date on which they were made, except as required by applicable law.

Contacts

For ADS-TEC Energy Europe:

Dennis Müller

SVP Product Marketing & Communication

press@ads-tec-energy.com

For ADS-TEC Energy United States:

Barbara Hagin

Breakaway Communications

bhagin@breakawaycom.com

+1 408-832-7626

3

Exhibit 99.2

Unaudited Interim Condensed Consolidated Financial Statements

ADS-TEC Energy PLC

as at and for the halfyear ended

June 30, 2025

Prepared in accordance with International Financial Reporting Standards (IFRS) as issued by the

International Accounting Standards Board (IASB)

Unaudited Interim Condensed Consolidated Financial Statements

Unaudited interim condensed consolidated statements of profit or loss and comprehensive income (loss)		1
Unaudited interim condensed consolidated statements of financial position		2
Unaudited interim condensed consolidated statements of cash flows		4
Unaudited interim condensed consolidated statements of changes in equity		6
Notes to the unaudited interim condensed consolidated financial statements		8
1. Reporting entity and group information		8
1.1	Reporting entity	8
1.2	Group information	8
2. Accounting policies		9
2.1	Basis of preparation	9
2.2	Material uncertainty regarding the ability to continue as a going concern	9
2.3	New accounting standards and interpretations	10
3. Significant events and transactions		11
4.	Disclosure on individual items of the consolidated financial statements	12
4.1	Statements of comprehensive income	12
4.2	Statements of financial position	15
5. Seasonal business		21
6. Segment reporting		21
7. Related party transactions		23
8. Authorization of the financial statements		23

i

Unaudited interim condensed consolidated statements of profit or loss and comprehensive income (loss)

	For the six months ended<br> June 30,
k	2025		2024
Continuing operations
Revenue		14,614		79,263
Cost of sales		-21,277		-63,590
Gross profit (loss)		-6,663		15,672
Research and development expenses		-4,472		-4,102
Selling and general administrative expenses		-18,624		-15,883
Impairment gains (losses) on trade receivables, contract assets, and other investments		43		-14
Other income		250		307
Other expenses		-550		-941
Operating result		-30,015		-4,960
Finance income		38,743		23
Finance expenses		-23,613		-39,436
Net finance result		15,130		-39,413
Result before tax		-14,885		-44,373
Income tax benefits (expenses)		120		-786
Result for the period		-14,766		-45,159
Other comprehensive income
Items that are or may be reclassified subsequently to profit or loss
Foreign operations – foreign currency translation differences		-115		-84
Other comprehensive income (loss) for the period, net of tax		-115		-84
Total comprehensive income (loss) for the period		-14,882		-45,243
Profit (loss) attributable to:
Shareholders of the parent		-14,766		-45,159
Non-controlling interests		-		-
Total comprehensive income (loss) attributable to:
Shareholders of the parent		-14,882		-45,243
Non-controlling interests		-		-
Earnings (loss) per share (in )
Diluted		-0.27		-0.84
Basic		-0.27		-0.89

All values are in Euros.

Due to rounding, the sum of the numbers presented in the table above might not precisely equal the totals we provide.

1

Unaudited interim condensed consolidated statements of financial position

ASSETS
kEUR	Note		Jun. 30,<br><br> 2025		Dec.31,<br> 2024
Intangible assets				18,678		20,529
Right-of-use assets				3,389		3,273
Property, plant and equipment				6,183		6,195
Other investments and other assets (non-current)				179		179
Trade and other receivables (non-current)				6		6
Deferred tax assets				7		6
Non-current assets				28,442		30,188
Inventories		4.2.1		55,682		63,666
Trade and other receivables (current)				8,006		14,929
Contract assets				790		40
Other accrued items		4.2.2		2,314		13,447
Current tax assets				-		102
Cash and cash equivalents		4.2.3		37,869		22,858
Current assets				104,662		115,042
Total assets				133,103		145,230

Due to rounding, the sum of the numbers presented in the table above might not precisely equal the totals we provide.

2

EQUITY AND LIABILITIES
kEUR	Note	Jun. 30, <br> 2025		Dec.31, <br> 2024
Share capital	4.2.4		5		5
Capital reserves	4.2.4		288,077		245,298
Other equity	4.2.4		929		1,044
Retained earnings	4.2.4		-289,156		-191,198
Profit (loss)	4.2.4		-14,766		-97,959
Equity attributable to owners of the Company			-14,912		-42,809
Non-controlling interests			-		-
Total equity			-14,912		-42,809
Lease liabilities (non-current)			1,882		2,336
Warrant liabilities (non-current)	4.2.5		76,977		119,581
Loans and borrowings (non-current)	4.2.6		9,224		-
Trade and other payables (non-current)			233		209
Contract liabilities (non-current)			205		265
Other provisions (non-current)			2,678		2,132
Deferred tax liabilities			1,547		1,670
Non-current liabilities			92,746		126,192
Lease liabilities (current)			1,054		1,144
Loans and borrowings (current)	4.2.6		24,711		13,333
Trade and other payables (current)			16,577		34,963
Contract liabilities (current)			7,621		6,809
Income tax liabilities (current)			17		13
Other provisions (current)			5,289		5,586
Current liabilities			55,269		61,847
Total liabilities			148,015		188,039
Total equity and liabilities			133,103		145,230

Due to rounding, the sum of the numbers presented in the table above might not precisely equal the totals we provide.

3

Unaudited interim condensed consolidated statements of cash flows

			For the six months ended<br><br> June 30,
kEUR	Note		2025		2024
Result for the period				-14,766		-45,159
Depreciation and amortization				3,426		3,561
Finance income excluding foreign currency gains		4.1.2		-24,910		-23
Finance expense excluding foreign currency losses		4.1.2		21,162		39,436
Non-cash effective foreign currency (gains) losses		4.1.2		-11,493		654
Share-based payments				1,284		2,003
Change in trade receivables not<br> attributable to investing or financing activities				7,338		-10,170
Change in inventories		4.2.1		4,369		-2,187
Change in write-downs on inventories		4.2.1		2,555		2,969
Change in trade payables				-18,684		5,149
Change in contract assets				-749		-125
Change in contract liabilities				780		-609
Change in other investments and other assets				-700		-1,004
Change in other provisions				249		818
Change in other liabilities				60		-345
Income tax expenses (benefits)				-120		786
Interest received				1		12
Cash flow from operating activities				-30,196		-4,237

Due to rounding, the sum of the numbers presented in the table above might not precisely equal the totals we provide.

4

			For the six months ended <br> June 30,
kEUR	Note		2025		2024
Purchase of property, plant, and equipment				-759		-463
Investments in intangible assets, including internally<br> generated intangible asset				-278		-257
Proceeds from sale of property, plant and equipment				23		-
Interest received				-		-
Cash flow from investing activities				-1,014		-721
Proceeds from Issue of Convertible Note and Warrants		4.2.6		40,905		-
Proceeds from issuance of shares and other equity<br> securities		4.2.4		316		301
Proceeds from the exercise of warrants		4.2.5		22,181		4,509
Repayment of loans and borrowings		4.2.6		-14,357		-4,618
Repayment of lease liabilities				-1,236		-643
Interest paid				-1,423		-432
Cash flow from financing activities				46,384		-883
Net decrease (-) / increase in cash and cash equivalents				15,174		-5,840
Net cash and cash equivalents at the beginning of the<br> period		4.2.3		22,858		29,162
FX effects				-163		368
Net cash and cash equivalents at the end of the period				37,869		23,691

Due to rounding, the sum of the numbers presented in the table above might not precisely equal the totals we provide.

5

Unaudited interim condensed consolidated statements of changes in equity

					Other reserves
kEUR	Subscribed capital		Capital<br> reserves		Retained<br> earnings		Currency translation reserve		Total other reserves		Equity attributable to shareholders		Total equity
Balance as of Jan. 01, 2025		5		245,298		-289,157		1,044		-288,112		-42,809		-42,809
Result for the period		-		-		-14,766		-		-14,766		-14,766		-14,766
Other comprehensive income (loss)		-		-		0		-115		-115		-115		-115
Total comprehensive income (loss)		-		-		-14,766		-115		-14,882		-14,882		-14,882
Exercise of warrants		0		34,168		-		-		-		34,168		34,168
Exercise of options		0		316		-		-		-		316		316
Stock compensation		0		1,284		-		-		-		1,284		1,284
Conversion of shares		0		7,011		-		-		-		7,011		7,011
Balance as of Jun. 30, 2025		5		288,077		-303,922		929		-302,994		-14,912		-14,912

6

					Other reserves
kEUR	Subscribed capital		Capital<br> reserves		Retained<br> earnings		Currency translation reserve		Total other reserves		Equity attributable to shareholders		Total equity
Balance as of Jan. 01, 2024		4		225,007		-191,198		106		-191,092		33,919		33,919
Result for the period		-		-		-45,159		-		-45,159		-45,159		-45,159
Other comprehensive income (loss)		-		-		-		-84		-84		-84		-84
Total comprehensive income (loss)		-		-		-45,159		-84		-45,243		-45,243		-45,243
Exercise of warrants		0		7,145		-		-		-		7,145		7,145
Exercise of options		0		301		-		-		-		301		301
Stock compensation		0		2,006		-		-		-		2,006		2,006
Balance as of Jun. 30, 2024		5		234,459		-236,357		22		-236,335		-1,872		-1,872

Due to rounding, the sum of the numbers presented in the table above might not precisely equal the totals we provide.

7

Reporting entity and group information

Notes to the unaudited interim condensed consolidated financial statements

1.	Reporting entity and group information
1.1	Reporting entity
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ADS-TEC Energy PLC and its subsidiaries (“ADSE”) provide intelligent and decentralized energy storage systems to municipalities, automotive OEMs (Original Equipment Manufacturers), charging operators, dealerships, fleets, residential areas, offices, and industrial sites in North America and Europe. Its scalable systems are designed for use in private homes, public buildings, commercial enterprises, industrial and infrastructure solutions, and self-sufficient energy supply systems, with capacities up to the multi-megawatt range.

ADS-TEC Energy PLC (“ADSE Holdco” or “the Company”) is domiciled in 10 Earlsfort Terrace, Dublin 2 D02 T380, Ireland. The Company is a public limited company incorporated in Ireland. The main operating company is ads-tec Energy GmbH which is located in Heinrich-Hertz-Str. 1, 72622 Nürtingen, Germany.

The board of directors of ADSE Holdco authorized the unaudited interim condensed consolidated financial statements on September 16, 2025.

1.2	Group information

The consolidated financial statements of ADSE include:

Jun. 30, 2025			Shareholding Direct

| Group companies | City | Country | or indirect | | |

| ADS-TEC Energy PLC (“ADSE Holdco”) | Dublin | Ireland | | Parent company | |

| ads-tec Energy GmbH (“ADSE GM”) | Nürtingen | Germany | | 100 | % |

| ads-tec Energy, INC. (“ADSE US”) | Auburn | USA | | 100 | % |

| ads-tec Energy Service GmbH (“ADSE Service”) | Nürtingen | Germany | | 100 | % |

| ads-tec Energy Schweiz GmbH (“ADSE CH”) | Zurich | Switzerland | | 100 | % |

| ads-tec Energy Austria GmbH (“ADSE Austria”) | Kötschach-Mauthen | Austria | | 100 | % |

Ads-tec Energy Austria GmbH was founded on April 23, 2025, and is a wholly owned subsidiary of ADSE GM. The purpose of ADSE Austria is the sale of products and services in the fields of energy management, energy storage, e-mobility and renewable energy in Austria and eastern parts of Europe.

8

Accounting policies

2.	Accounting policies
2.1	Basis of preparation
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Applied IFRS

The unaudited interim condensed consolidated financial statements of ADSE for the six months ended June 30, 2025, have been prepared in accordance with IAS 34 - Interim Financial Reporting. They do not include all disclosures that would otherwise be required in a complete set of financial statements and should be read in conjunction with the Company’s last annual financial statements as at and for the years ended December 31, 2024 (“last annual financial statements”). However, selected explanatory notes are included to explain events and transactions that are significant to an understanding of the changes in ADSE’s financial position and performance since the last annual financial statements.

ADSE’s interim financial statements have been prepared on a going concern basis. The reporting period is the six months ended June 30, 2025 and six months ended June 30, 2024. The interim financial statements are presented in Euro, which is the functional currency of ADSE. All amounts have been rounded to the nearest thousand, unless otherwise indicated. In some cases, rounding could mean that values in this report do not add up to the exact sum given or percentages do not equal the values presented.

2.2	Material uncertainty regarding the ability to continue as a going concern

Management assessed the Company’s ability to continue as a going concern and evaluated whether there are certain conditions and events, considered in the aggregate, that raise substantial doubt about the Company’s ability to continue as a going concern using all information available about the future, focusing on the twelve-month period after the issuance date of the financial statements. Historically, the Company has funded its operations primarily through capital raises and with loans from shareholders. Since the inception the Company has incurred recurring losses and negative cash flows from operations including net losses of kEUR 14,766 for the first half of financial year 2025, kEUR 97,958 for the financial year 2024 and kEUR 55,081 for the financial year 2023.

The Company has improved the cash flow from operating activities from kEUR -20,659 for the financial year 2023 to kEUR -16,285 for the financial year 2024. In the first half of 2025, the cash flow from operating activities amounted to kEUR -30,196. This was caused by weak revenues and significant payments of trade payables. For the future, the Company aims to improve its cash flow and operating result. To support this development the Company plans to intensify sales efforts across Europe and the US and reduce working capital. In addition, the Company will continue to invest in the development, redesign and cost optimization programs of current and new products as well as further productivity increases in operations and expand its business model into a full-service provider model, enabling multi-revenue streams including ultra-fast charging, energy trading and advertising.

Management of the Company agreed to issue (i) senior secured convertible notes in the aggregate original principal amount of kUSD 53,763 and (ii) warrants to purchase up to an aggregate of 1,116,072 ordinary shares, nominal value of $0.0001 per share. Following the agreements, the Company will receive up to an amount of kUSD 50,000 in gross proceeds, to be provided in two installments. The Company has received the first installment of kUSD 15,000 - net of fees and expenses an amount of kUSD 12,719 - on May 1, 2025 and the second installment of kUSD 20,000 on July 1, 2025. The remaining kUSD 15,000 will become available upon the Company’s achievement of agreed-upon milestones.

As of June 30, 2025, the Company had outstanding shareholder loans in a nominal amount of kUSD 7,400 (see note 4.2.6). The shareholders except for one have agreed to make any undrawn and repaid amounts available as a credit line until August 31, 2026. One tranche in a nominal amount of kUSD 3,000 remains due on August 31, 2025. Therefore, the Company currently has an open credit line in an amount of kUSD 25,577 until August 31, 2026.

For future growth and expansion in other geographical areas such as the U.S. management targets to raise additional equity and debt if required. The Management and its advisers are constantly monitoring the relevant equity and debt capital markets which are important to the company.

9

Accounting policies

There can be no assurance that the Company will be successful in achieving its operational and strategic plans, that any additional financing will be available in a timely manner or on acceptable terms.

The Company’s management deems a successful business development and an improvement of cash flow generation and operating result to be very likely. In addition, the financial resources have significantly improved compared to the previous year as a result of the recent issue of convertible notes and the extended credit line. Nevertheless, based on its recurring losses from operations since inception, the Company has concluded that there is still substantial doubt about its ability to continue as a going concern as cash flows generated by its operating activities may deviate significantly from the company’s forecast and securing additional financing is uncertain. The financial statements do not include any adjustments that might result from the outcome of this uncertainty. Accordingly, the financial statements have been prepared on a basis that assumes the Company will continue as a going concern and which contemplates the realization of assets and satisfaction of liabilities and commitments in the ordinary course of business.

2.3	New accounting standards and interpretations

ADSE applied all the effective standards and interpretations issued by the IASB and the IFRS IC for preparation of the consolidated financial statements if their application was required for annual periods beginning on or after January 01, 2025. However, none of the new accounting standards impacts ADSE as they are either not relevant to ADSE’s activities or did not require accounting which is inconsistent with ADSE’s current accounting policies.

New accounting standards and amendments to standards or interpretations effective as of January 01, 2025:

Standard	Name	Effective date

| IAS 21 | Amendments to IAS 21: Lack of exchangeability | Jan. 01, 2025 |

The standards and amendments to standards and interpretations below have been published by the IASB but are not mandatorily effective for annual periods beginning on or after January 01, 2025 and therefore have not been early adopted in these consolidated financial statements by ADSE.

Standard	Name	Effective date

| IFRS 9 & IFRS 7 | Amendments to IFRS 9 and IFRS 7 - Financial Instruments: Classification and measurement of financial instruments | Jan. 01, 2026 |

| IFRS 9 & IFRS 7 | Amendments to IFRS 9 and IFRS 7 - Financial Instruments: Contracts referencing nature-dependent electricity | Jan. 01, 2026 |

| IFRS 18 | Presentation and Disclosure in Financial Statements | Jan. 01, 2027 |

| IFRS 19 | Subsidiaries without Public Accountability: Disclosures | Jan. 01, 2027 |

On April 09, 2024, the IASB published IFRS 18 – Presentation and Disclosure in Financial Statements which is effective for periods beginning on or after January 01, 2027. ADSE is currently analyzing the impact expected from the initial application of IFRS 18. Other accounting standards issued by the IASB that are not yet applied or that become effective in the future are not expected to have a material impact on the consolidated financial statements.

10

Significant events and transactions

3.	Significant events and transactions

The following significant events and transactions have occurred since December 31, 2024.

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Establishment of a new subsidiary

On April 23, 2025, ads-tec Energy Austria GmbH (“ADSE Austria”) was established as a wholly owned subsidiary of ADSE GM. ADSE Austria is focused on the distribution of products and services in the areas of services in the fields of energy management, energy storage, e-mobility, and renewable energies.

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Repayment of shareholder loans

ADSE US repaid tranches of the 2023 shareholder loans and shareholder loan plus with a total nominal amount of kEUR 14,357 (kUSD 15,577) and accrued interest of kEUR 1,348 (kUSD 1,528). On April 30, 2025, certain of the loans with a total nominal amount of kUSD 30,000 were amended and restated to extend the maturity date from August 31, 2025 to Augst 31, 2026.

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Loans and borrowings

On May 1, 2025, ADSE Holdco, ADSE GM and ADSE US entered into a Securities Purchase Agreement with certain institutional investors, pursuant to which the Company agreed to issue (i) senior secured convertible notes in the aggregate original principal amount of kUSD 53,763 and (ii) warrants to purchase up to an aggregate of 1,116,072 ordinary shares, nominal value of USD 0.0001 per share. Please refer to 4.2.6 Loans and borrowings for further detail.

11

Disclosure on individual items of the consolidated financial statements

4.	Disclosure on individual items of the consolidated financial statements
4.1	Statements of comprehensive income
---	---
4.1.1	Revenue and functional costs from contracts with customers
---	---

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Revenue

ADSE develops, produces, and distributes battery storage solutions for different areas of applications (“multi-use-case”). The product portfolio ranges from the field “charging” which provides charging solutions for the expansion of the eMobility infrastructure at power-limited network points, to the field “commercial and industrial” including power ranges up to multiple MW/MWh. Additionally, ADSE provides its customers with separately acquirable service contracts or maintenance services and software solutions regarding intelligent controlling and monitoring of battery storage solutions.

67.1% (2024: 96.6%) of revenues are generated from product category charging. The following table presents the revenue from contracts with customers disaggregated by product types:

Revenue by product types	For the six months ended<br><br> June 30,
kEUR	2025		2024
Charging		9,804		76,550
Commercial and industrial		103		1,043
Service		4,623		1,581
Other		85		88
Total		14,614		79,263

Cost of goods sold

	For the six months ended<br><br> June 30,
kEUR	2025		2024
Cost of materials		12,307		54,023
Personnel expenses		5,468		5,734
Depreciation and amortization		2,904		2,982
Other expenses		599		851
Total		21,277		63,590

12

Disclosure on individual items of the consolidated financial statements

Selling, general and administrative expenses

	For the six months ended<br><br> June 30,
kEUR	2025		2024
Personnel expenses		5,755		5,632
Legal and consulting fees		5,004		2,559
Administration fee		1,837		1,821
Marketing costs		760		728
Insurance expenses		1,208		1,344
Depreciation and amortization		354		464
Other expenses		3,705		3,335
Total		18,624		15,883

Other expenses primarily consist of expenses for general warranties, travel costs and outbound freight.

13

Disclosure on individual items of the consolidated financial statements

4.1.2	Finance result

The finance income and finance costs recognized in profit or loss are as follows:

	For the six months ended <br> June 30,
kEUR	2025		2024
Finance income from remeasurement of warrant liabilities		24,909		-
Foreign currency gains		13,833		-
Income from other interest and similar income		1		23
Finance income		38,743		23
Finance expense from remeasurement of warrant liabilities		-122		-34,667
Interest expense from shareholder loans		-19,332		-4,662
Interest expense from convertible note		-1,633		-
Foreign currency losses		-2,450		-
Interest expense from leasing		-71		-99
Interest expense from guarantee commissions		-5		-9
Finance expenses		-23,613		-39,437
Net finance result		15,130		-39,414

Finance income from remeasurement of warrant liabilities in the first half of 2025 in the amount of kEUR 24,909 results from the remeasurement of the fair value of public and private warrant liabilities, warrant liabilities from shareholder loans and warrant liabilities from the convertible note and was caused by a a declining share price of ADSE shares. The foreign currency gains mainly result from the valuation of the warrants which are denominated in USD.

In the first half of 2024, finance expense from remeasurement of warrant liabilities in the amount of kEUR 34,667 results from the remeasurement of the fair value of public and private warrant liabilities, warrant liabilities from shareholder loans and warrant liabilities from capital increases.

In 2025, interest expenses from shareholder loans amount to kEUR 19,332 (2024: kEUR-4,662 ). This results mainly from the amortization of day one losses (kEUR 10,293) and the effective interest of the shareholder loan (kEUR 8,903).

14

Disclosure on individual items of the consolidated financial statements

4.2	Statements of financial position
4.2.1	Inventories
---	---

Inventories include the following:

kEUR	Jun. 30,<br> 2025		Dec. 31,<br> 2024
Finished goods		16,372		15,245
Work in progress		10,564		9,402
Raw materials		45,271		53,010
Total		72,207		77,657
kEUR	Jun. 30,<br> 2025		Dec. 31,<br> 2024
---	---	---	---	---
Write-downs finished goods		-1,080		-181
Write-downs work in progress		-794		-808
Write-downs raw materials		-14,651		-13,003
Total		-16,525		-13,991

During the first half of 2025, ADSE recognized write-downs of inventories in an amount of kEUR 2,555 as an expense in the cost of sales in the statement of profit or loss.

4.2.2	Other accrued items

Other accrued items include the following:

kEUR	Jun.30,<br><br> 2025		Dec. 31,<br><br> 2024
Day One Loss		1,379		12,392
Other accrued items related to lender warrants		935		1,055
Total		2,314		13,447

ADSE concluded shareholder loan agreements with various lenders on August 18, 2023, which were amended and restated on August 26, 2024. In addition, three further agreements were concluded on August 26, 2024. Pursuant to the loan agreements, ADSE US and ADSE GM have agreed to issue lender warrants which will be issued by ADSE Holdco as Irish guarantor to the respective lenders and subscribed by ADSE US resp. ADSE GM. At initial recognition, the warrants had a higher fair value than the shareholder loans, which generated a day one loss. As this day one loss is based on unobservable inputs, it needs to be deferred and recognized until maturity to the extent that it arises from a change in a factor (including time) that market participants would take into account when pricing the liability.

The amount recognized on the balance sheet on June 30, 2025 has declined significantly as compared to December 31, 2024 due to amortization over time and in addition due to amortization following the repayment of shareholder loans in the first half of the financial year 2025 prior to maturity.

Other accrued items related to lender warrants refer to warrants for which the exercise conditions were not met as of June 30, 2025 and December 31, 2024 since the related shareholder loans were not drawn. The fluctuation results from foreign currency effects.

15

Disclosure on individual items of the consolidated financial statements

4.2.3	Cash and cash equivalents

Cash and cash equivalents include the following:

kEUR	Jun. 30,<br><br> 2025		Dec. 31,<br><br> 2024
Cash		1		1
Cash at banks		7,361		22,212
Restricted Cash		30,508		644
Total		37,869		22,858

As of June 30, 2025, restricted cash mainly relates to money received in the course of the financing via convertible notes. This money was paid into a control account of the Company and will be released to the Company upon the achievement of agreed-upon milestones. On July 2, 2025, an amount of kEUR 17,014 was released after satisfaction of the first milestones.

4.2.4	Equity

The changes in the various components of equity are shown in ADSE’s statements of changes in equity for the past two half-year periods.

The issued and outstanding shares as of 30 June, 2025, and as of 30 June, 2025, are shown in the table below.

in k units	2025		2024
Outstanding as of Jan. 01		52,362		50,585
Exercise of warrants		2,469		714
Exercise of options		47		50
Share based compensation		26		37
Conversion from convertible note		922		-
Outstanding as of Jun. 30		55,826		51,386
Treasury shares		80		61
Issued and outstanding as of Jun. 30		55,906		51,447

In 2024 714,290 warrants were exercised in the first half year which led to an increase in capital reserves of kEUR 7,145. These warrants were issued related to a capital increase at the end of fiscal year 2023.

In the first half of financial year 2025, the exercise of public, private and shareholder warrants increased the number of outstanding shares by 2,468,837 shares and led to an increase in capital reserves of kEUR 34,168. Moreover, the conversion of debt from the convertible note into equity resulted in an issue of 922,195 shares which increased the capital reserve by kEUR 7,011.

16

---

Disclosure on individual items of the consolidated financial statements

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4.2.5	Warrant liabilities

As of the reporting date, warrant liabilities include the following:

kEUR	No. of <br> warrants<br> issued		Jun. 30,<br> 2025
Public warrants		7,826,371		13,155
Private warrants		119,866		473
Warrants relating to shareholder loans		10,373,336		56,733
Warrants relating to Convertible Note		1,116,072		6,616
Total		19,435,645		76,977

As of December 31, 2024, warrant liabilities included the following:

kEUR	No. of<br><br> warrants<br><br> issued		Dec. 31,<br><br> 2024
Public warrants		11,542,415		39,997
Private warrants		119,866		734
Warrants relating to shareholder loans		10,480,003		78,849
Warrants relating to Convertible Note		-		-
Total		22,142,284		119,580

Public and private warrants

As of 30 June, 2025, the fair value of public and private warrant liabilities amounts to kEUR 13,628 (31 December, 2024: kEUR 40,731) and relates to 7,826,371 public warrants and 119,866 private warrants including 100,000 lender warrants issued. In comparison to December 31, 2024, 2,014,299 public warrants were exercised at an exercise price of 11.50 USD per warrant. 1,701,745 warrants were moved from public warrants to private warrants and were exercised on a cashless basis leading to an issue of 347,871 shares.

Warrants relating to shareholder loans

In the first half of financial year 2025, 106,667 warrants related to the first shareholder loan with an exercise price of USD 3.00 were exercised. The exercise term of the remaining 1,573,333 warrants related to the first shareholder loan was extended from May 5, 2025 until August 31, 2025.

17

Disclosure on individual items of the consolidated financial statements

Warrants relating to Convertible Note

On April 30, 2025 the Company issued 1,116,072 warrants together with the closing of a financing transaction via convertible notes to certain institutional lenders. One warrant entitles the lender to purchase one ordinary share, par value USD 0.00001 per ordinary share. The warrants may be exercised at an exercise price of USD 16.88 at any time until April 30, 2030. If, on the 75th Trading Day after May 1, 2025, the exercise price then in effect is greater than the market price of ADSE stock at that date, the exercise price shall automatically be lowered to the market price and the number of warrant shares that may be subscribed for upon exercise of this warrant adjusted proportionately, so that after such adjustment the aggregate exercise price payable for the adjusted number of warrant shares shall be the same as the aggregate exercise price in effect immediately prior to such adjustment.

The fair value of these warrants as of the issue date was determined using a Monte Carlo Simulation which resulted in an aggregate fair value of kEUR 6,773 as of that date.

On August 20, 2025 the exercise of the warrants was adjusted to USD 10.31 and the number increased to 1,827,284 in line with the warrant agreement.

4.2.6	Loans and borrowings

As of June 30, 2025 loans and borrowings include the following:

	Jun. 30,		Thereof classified as
kEUR	2025		current		Non-current
Convertible note		28,199		18,975		9,224
Shareholder loans		5,426		5,426
Total		33,625		24,401		9,224

On May 01, 2025, ADSE secured financing through convertible note agreements with different institutional lenders in a total principal amount of kUSD 53,753 (kEUR 47,389). The notes were issued with a discount of 7% and bear interest of 2% per annum. They can either be converted into equity or redeemed in cash over a period of three years until May 01, 2028. Together with the convertible notes, 1,116,072 warrants were issued resulting in a disagio of the notes in an amount of kEUR 6,773. Transaction costs are being discounted from the notes as well. Both are amortized together with the issue discount using the effective interest rate method.

18

Disclosure on individual items of the consolidated financial statements

Until June 30, 2025, the lenders have converted a total principal amount of kUSD 7,593 (kEUR 6,556) as well as interest in the amount of kUSD 692 (kEUR 598) into equity.

The shareholder loans are classified as current loans and borrowings. As of the reporting date, the amount includes the book value of shareholder loans of kEUR 5,426 and interest payable of kEUR 310 (December 31, 2024: book value of kEUR 11,971 and interest payable of kEUR 1,363). In the first half of 2025, various tranches with a total nominal amount of kEUR 14,357 (kUSD 15,577) were repaid together with interest.

4.2.7	Financial instruments

The following table provides the carrying amounts and fair values of all financial assets and financial liabilities, including their levels in the fair value hierarchy.

kEUR	Classification	Fair value<br> hierarchy		Carrying amount<br> Jun. 30, <br><br>2025		Fair value<br> Jun. 30, <br><br>2025		Carrying amount<br> Dec. 31, <br><br>2024		Fair value<br> Dec. 31, <br><br>2024

| Financial assets | | | | | | | | | | | |

| Cash and cash equivalents | At amortized cost | | 3 | | 37,869 | | 37,869 | | 22,858 | | 22,858 |

| Trade receivables (current) | At amortized cost | | 3 | | 6,085 | | 6,085 | | 9,900 | | 9,900 |

| Other investments (non-current) | At amortized cost | | 3 | | 5 | | 5 | | 5 | | 5 |

| Other financial receivables (current) | At amortized cost | | 3 | | 63 | | 63 | | 3,358 | | 3,358 |

| Other financial receivables (non-current) | At amortized cost | | 3 | | 6 | | 6 | | 6 | | 6 |

| Total | | | | | 44,028 | | 44,028 | | 36,126 | | 36,126 |

19

Disclosure on individual items of the consolidated financial statements

kEUR	Classification	Fair value<br> hierarchy		Carrying amount<br> Jun. 30, <br><br>2025		Fair value<br> Jun. 30, <br><br>2025		Carrying amount<br> Dec. 31, <br><br>2024		Fair value<br> Dec. 31, <br><br>2024

| Financial liabilities | | | | | | | | | | | |

| Warrant liabilities - private | FVTPL | | 2 | | 13,155 | | 13,155 | | 39,997 | | 39,997 |

| Warrant liabilities - public | FVTPL | | 1 | | 473 | | 473 | | 734 | | 734 |

| Warrant liabilities - Shareholder loan | FVTPL | | 2 | | 56,733 | | 56,733 | | 78,849 | | 78,849 |

| Warrant liabilities - Convertible Notes | FVTPL | | 2 | | 6,616 | | 6,616 | | - | | - |

| Loans and borrowings (non-current) | At amortized cost | | 3 | | 9,224 | | 16,074 | | - | | - |

| Loans and borrowings (current) | At amortized cost | | 3 | | 24,711 | | 26,044 | | 13,333 | | 13,333 |

| Trade payables (current) | At amortized cost | | 3 | | 12,100 | | 12,100 | | 29,299 | | 29,299 |

| Trade payables due to related parties (current) | At amortized cost | | 3 | | 1,045 | | 1,045 | | 2,601 | | 2,601 |

| Lease liabilities (non-current) | At amortized cost | | 3 | | 1,882 | | - | | 2,336 | | - |

| Lease liabilities (current) | At amortized cost | | 3 | | 1,054 | | - | | 1,144 | | - |

| Other payables financial (current) | At amortized cost | | 3 | | 387 | | 387 | | 215 | | 215 |

| Total | | | | | 127,379 | | 132,627 | | 168,510 | | 165,030 |

The significant development in the area of other financial receivables is attributable to research grants, which were paid out in the first quarter of the fiscal year. The decline of trade payables is due to the payment of high trade payables from the purchase of inventory. The increase in loans and borrowings is due to new financing. Please refer to note 4.2.6 for further information on loans and borrowings.

20

Seasonal business

5.	Seasonal business

The business performance of ADSE does not follow a regular seasonality or cyclicality of results that affect the unaudited interim condensed financial statements. Thus, the results of the six month period ended June 30, 2025 may not be indicative of the full year.

6.	Segment reporting

Information reported to ADSE’s chief operating decision maker (CODM) for the purposes of resource allocation and assessment of segment performance is focused on the geographic region of ADSE’s business activities. Therefore, ADSE manages its operations based on two operating segments referring to its business activities in Europe and North America.

The CODM has been identified as the board of directors of ADSE Holdco. The board of directors regularly reviews operating results and makes decisions about the allocation of ADSE’s resources. ADSE’s focus is on the research, development and manufacturing of products and services in the fields of energy management, energy storage and e-mobility.

ADSE evaluates segmental performance based on segment revenue and segment earnings before interest, taxes, depreciation and amortization (EBITDA). Inter-segment sales are priced along the same lines as sales to external customers.

kEUR	Jun. 30, 2025
	Europe		North America		Total reportable segments		Eliminations		Total <br> Group
External revenues		13,790		825		14,614		-		14,614
Inter-segment revenues		4,250		-		4,250		-4,250		-
Total revenue		18,039		825		18,864		-4,250		14,614
Earnings before interest, taxation, depreciation and amortization (EBITDA)		-25,164		-1,425		-26,589		-		-26,589
Depreciation and amortization		-3,346		-80		-3,426		-		-3,426
Operating result (EBIT)		-28,510		-1,506		-30,015				-30,015
Financial income		38,611		132		38,743		-456		38,287
Financial costs		-6,916		-16,696		-23,613		456		-13,157
Financial result		31,694		-16,565		15,130		-		15,130
Profit/Loss before tax		3,185		-18,070		-14,885		-		-14,885
Income tax expenses		120		-1		120		-		120
Profit/Loss for the year		3,305		-18,071		-14,766		-		-14,766

21

Segment reporting

kEUR	Jun. 30, 2024
	Europe		North America		Total reportable segments		Eliminations		Total Group
External revenues		77,118		1,227		78,346		-		78,346
Inter-segment revenues		1,227		-		1,227		-310		917
Total revenue		78,346		1,227		79,573		-310		79,263
Earnings before interest, taxation, depreciation and amortization (EBITDA)		334		-1,734		-1,400		-		-1,400
Depreciation and amortization		-3,517		-44		-3,561		-		-3,561
Operating result (EBIT)		-3,183		-1,778		-4,960				-4,960
Financial income		23		-		23		-		23
Financial costs		-34,773		-4,663		-39,436		-		-39,436
Financial result		-34,750		-4,663		-39,413		-		-39,413
Loss before tax		-37,932		-6,441		-44,373		-		-44,373
Income tax expenses		-786		0		-786		-		-786
Loss for the year		-38,718		-6,441		-45,159		-		-45,159

Total non-current assets of both reportable segments can be broken down as follows:

kEUR	Jun. 30,<br> 2025		Dec. 31,<br> 2024
Europe		76,526		78,109
North America		-6,491		-6,328
Eliminations		-41,593		-41,593
Total non-current assets		28,442		30,188

Total current assets of both reportable segments can be broken down as follows:

kEUR	Jun. 30,<br> 2025		Dec. 31,<br> 2024
Europe		139,724		108,877
North America		42,626		33,870
Eliminations		-77,689		-27,705
Total current assets		104,662		115,042

Total liabilities of both reportable segments can be broken down as follows:

kEUR	Jun. 30,<br> 2025		Dec. 31,<br> 2024
Europe		107,495		182,960
North America		49,317		10,697
Eliminations		-8,797		-5,618
Total liabilities		148,015		188,039

22

Related party transactions

Total revenues of both reportable segments can be broken down as follows:

kEUR	Jun. 30,<br> 2025		Jun. 30,<br> 2024
Europe		18,039		78,346
North America		825		1,227
Eliminations		-4,250		-310
Total revenues		14,614		79,263

Revenues from two major customers of ADSE represented kEUR 6,615 and kEUR 1,312 respectively (2024: two customers, kEUR 11,185 and kEUR 54,641) of ADSE’s total revenues.

7.	Related party transactions

Related parties are natural persons or companies that can be influenced by the reporting entity, that can exert an influence on the reporting entity or that are under the influence of another related party of the reporting entity. Transactions between related parties mainly include loans, leases, and management services. Relationships with related parties have not changed significantly since December 31, 2024. With regard to the repayment of shareholder loans please refer to 4.2.6 Loans and borrowings. All business transactions, receivables and liabilities with related parties existing at the reporting date result from ordinary business activities and are conducted at arm’s length.

8.	Authorization of the financial statements

The board of directors of ADSE Holdco authorized the consolidated financial statements on September 16, 2025.

Nürtingen

September 16, 2025

Thomas Speidel	Stefan Berndt-von Bülow
Chief Executive Officer	Chief Financial Officer

23