Sunwoda Power Sued by Zeekr Subsidiary for 2.314 Billion Yuan Over Battery Quality Disputes

Based on the latest information I found, the details of the

are as follows:

• Filing Time:
  On December 25, 2025, Sunwoda Power (a subsidiary of Sunwoda) received civil complaint, response notice and other litigation materials from Ningbo Intermediate People’s Court of Zhejiang Province [1][2]
• Announcement Time:
  Sunwoda disclosed the matter in a post-market announcement on December 26, 2025 [2][3]
• Case Status:
  The case has not yet been heard [1][2]

WeRide Electric Vehicle Technology (Ningbo) Co., Ltd.

• A subsidiary of Zeekr Auto
• Focuses on R&D and industrialization of power batteries, electric drive systems, charging facilities and energy storage solutions [2]

Sunwoda Power Technology Co., Ltd.

• A subsidiary of Sunwoda, established in October 2014, mainly engaged in R&D of new energy vehicle batteries [2]

2.314 billion yuan [1][2][3]

The plaintiff WeRide claims that the cells delivered by Sunwoda Power from had quality issues and caused losses to the plaintiff [2][3]

Sunwoda Power shall compensate WeRide for losses of 2.314 billion yuan and corresponding interest [3]

• In December 2024, Zeekr Auto issued the “Notice on Launching Winter Care Activities for Zeekr 001 WE86 Users”
• Inspections found that some Zeekr 001 WE86 vehicles with long driving mileage had occasional issues such as slow charging speed and abnormal battery capacity decay curves
• The company provided free replacement of new battery packs for relevant users [2]

• The cell brand for Zeekr 001 (2021 to 2023 models) included WeRide
• WeRide purchased cells from Sunwoda and independently completed the assembly of Pack battery packs
• Starting from the 2024 model, the cells for Zeekr 001 have been supplied by Times Geely, a joint venture between Geely and CATL [2]

• Sunwoda’s full-year net profit in 2024: 1.47 billion yuan
• Sunwoda’s net profit in the first three quarters of 2025: 1.41 billion yuan
• The 2.314 billion yuan claim amount
  exceeds the company’s annual net profit
  [1]

• Sunwoda Power’s loss in 2023: 1.56 billion yuan
• Sunwoda Power’s loss in 2024: 1.87 billion yuan [2]

Sunwoda stated:

• The production and operation of the company and its subsidiaries within the consolidated statements are normal
• Actively seeking a reasonable solution
• Strengthening communication and negotiation with relevant parties to resolve the litigation matters properly as soon as possible
• Due to the uncertainty of the subsequent judgment result, it is temporarily unable to assess the impact on the company’s profit [1][3]

According to data from the China Automotive Power Battery Industry Innovation Alliance:

• In the first 11 months of 2025, Sunwoda’s power battery market share reached
  3.25%
  , ranking sixth in the industry
• It has maintained the first place in China’s market share in the HEV hybrid power battery segment for many consecutive years
• Its products are supplied to mainstream car companies such as Li Auto, NIO, XPeng, and it has established cooperative relationships with international manufacturers such as Volkswagen and Renault-Nissan [1]

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Since the case is still in the early stage of trial, the final judgment result is uncertain. If the company loses the lawsuit, it may have a significant impact on Sunwoda’s financial status, but the specific degree of impact shall be subject to the effective judgment of the court and the audit results of the accountants [1][2].

[1] International Electronic Business News - Sunwoda Subsidiary Involved in 2.3 Billion Yuan Power Battery Quality Dispute (https://www.esmchina.com/news/13792.html)
[2] Dazhong Daily - Claiming 2.314 Billion Yuan Over Cell Quality Issues! Zeekr Auto Subsidiary Sues Sunwoda Power (https://dzrb.dzng.com/general/0/NEWS3013374KVZCSLPVKTGHQ)
[3] 21st Century Business Herald - Suspected Cell Quality Issues, 50 Billion Giant Sunwoda Trapped in 2.3 Billion Claim Lawsuit (https://www.21jingji.com/article/20251229/herald/53f1820e9abe7a0678efe11c79a4b2c9.html)