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What Does BYD's Lifetime Warranty on Battery Cells Mean?

2 Answers

VanJameson

08/29/25 5:32am

BYD's new energy vehicles offer a lifetime warranty on battery cells. Here are the relevant details: BYD's Lifetime Warranty on Battery Cells: According to information on BYD's official website, BYD's new energy vehicle models come with a warranty policy. For non-commercial vehicles, the entire vehicle has a warranty period of 6 years or 150,000 kilometers, core components have a warranty period of 8 years or 150,000 kilometers, and the power battery cells have a lifetime warranty. Detailed Interpretation of BYD's Battery Warranty: The battery warranty refers to the power battery, which drives the vehicle forward, not the battery that supplies power to the vehicle's components. The battery can be replaced for free within 8 years, provided the mileage does not exceed 150,000 kilometers, and the battery capacity is less than 70% (or 80% in some cases) of its designed capacity. In addition to battery replacement, the battery's capacity can also be maintained through the battery cell warranty, which is covered for life. In this regard, BYD is currently the most generous among all automakers.

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McArabella

09/11/25 3:14am

I previously conducted a detailed study on BYD's lifetime warranty for battery cells, which means that the core component of BYD's new energy vehicles—the battery cell—enjoys free repair or replacement services throughout the vehicle's lifespan. The battery cell is a critical element of the battery pack, responsible for storing and releasing electricity, directly impacting range and performance. The warranty covers issues caused by manufacturing defects or material problems, such as internal short circuits in the battery cell or excessive capacity degradation. However, this does not equate to coverage for the entire battery system; it has limitations: it applies only to the first owner, non-commercial use, requires timely maintenance at authorized service centers, and has a mileage cap (typically several hundred thousand kilometers). I believe this policy highlights BYD's confidence in its Blade Battery technology and can alleviate buyers' concerns about battery lifespan, but in practice, maintaining service records is essential to avoid disputes.

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What is the normal tire pressure for the Ant?

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