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Varta files for insolvency as German battery maker’s crisis deepens

Created at 27 Jul · 11:31 AM1 source↑ Market-relevant
IN SHORT

German battery maker Varta AG has applied for insolvency proceedings under self-administration due to a projected funding gap from 2027, worsened market conditions, and a key customer terminating their partnership. Production continues, and the profitable household battery business is excluded from the proceedings.

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Key Numbers

2027year of expected funding gap

Who's Involved

Varta AG
German battery maker filing for insolvency
Michael Ostermann
CEO of Varta AG
Apple
Key customer reportedly terminating partnership
Porsche AG
Shareholder that declined to provide additional funding
Michael Tojner
Austrian investor and shareholder declining funding
Tobias Wahl
Provisional supervisor appointed by Stuttgart Local Court
Varta files for insolvency as German battery maker’s crisis deepens

↳ Why This Matters

The insolvency filing by Varta AG, a prominent German battery maker, highlights the intense competitive pressures and market shifts within the battery industry, particularly concerning key customer relationships and the impact of geopolitical and economic factors on manufacturing. The exclusion of its profitable consumer battery division suggests a strategic move to protect its core business while

Key facts

  • Varta AG has filed for insolvency proceedings under self-administration.
  • The company cited a projected funding gap from 2027 as the primary reason.
  • Worsening market conditions and a key customer's decision to terminate a partnership also contributed.
  • Apple reportedly decided to source AirPods battery cells from China, impacting Varta.
  • The profitable household battery business is excluded from the insolvency proceedings.
  • Three subsidiaries, Varta Microbattery, Varta Micro Production, and Varta Storage, are included.

German battery manufacturer Varta AG has filed for insolvency proceedings under self-administration, citing a projected funding gap from 2027. The company stated that the filing was not due to an immediate inability to meet payment obligations, but rather a combination of significantly worsening market conditions, weaker demand, adverse exchange-rate movements, and the recent termination of a partnership with a key customer.

According to reports from Reuters and German media, this key customer is Apple, which has reportedly decided to source rechargeable CoinPower button cells for its AirPods from China. Varta CEO Michael Ostermann acknowledged the significant challenges the company has faced in recent quarters and expressed a commitment to preserving jobs and ensuring the company's sustainability.

Varta, which was delisted from stock exchanges in March 2025 as part of an earlier restructuring, is a privately held company. Shareholders, including sports car maker Porsche AG and Austrian investor Michael Tojner, have reportedly declined to provide additional funding to the struggling firm.

The insolvency proceedings cover Varta Microbattery, Varta Micro Production, and Varta Storage. However, the profitable household battery business, Varta Consumer Batteries, is legally separate and excluded from the proceedings. Production is expected to continue, and wages and salaries will still be paid. Tobias Wahl, a lawyer with restructuring firm Anchor, has been appointed as the provisional supervisor, overseeing the proceedings while Varta's management remains in control.

Frequently asked questions

Varta AG has applied for insolvency proceedings under self-administration.

The company cited a projected funding gap from 2027, worsened market conditions, and a key customer terminating their partnership.

No, the profitable household battery business is excluded. However, Varta Microbattery, Varta Micro Production, and Varta Storage are included in the proceedings.

Yes, Varta stated that production will continue and employees will receive their wages and salaries.

What Happens Next

01Varta's management will continue to control the company under the supervision of Tobias Wahl.
02The company aims to preserve jobs and ensure continued sustainability.
03The energy storage market remains a focus for the company's future.

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Cadence

How It Developed

Varta AG applied to the Stuttgart Local Court to open insolvency proceedings under self-administration.
The filing was prompted by a structural funding gap expected from 2027.
Worsening market conditions, weaker demand, adverse exchange rates, and a key customer terminating a partnership contributed to the decision.
The key customer is reportedly Apple, which is sourcing AirPods battery cells from China.
Shareholders, including Porsche AG and Michael Tojner, declined to provide additional funding.
The profitable household battery business is legally separate and excluded from the proceedings.
Three subsidiaries—Varta Microbattery, Varta Micro Production, and Varta Storage—are covered by separate applications.
Tobias Wahl was appointed provisional supervisor.

Sources

T1
Varta files for insolvency as German battery maker’s crisis deepensEuronews

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