What are the conditions for BYD's battery lifetime warranty?
2 Answers
BYD's battery lifetime warranty conditions include: Only the first owner of the vehicle is eligible for the lifetime warranty on the three key components (battery, motor, and electronic control); Maintenance must be performed at authorized service centers within the intervals specified in the user manual; Only genuine BYD parts must be used for repairs and maintenance; Registration on BYD Cloud Service and DiFan Club is required; The vehicle must not have been driven continuously for 12 months or exceed a total mileage of 30,000 kilometers; Accident repairs must be conducted at BYD-authorized service centers; Normal battery capacity degradation applies. Currently, BYD's battery warranty policy offers a lifetime warranty on the three key components for the first individual owner (non-commercial use), while the vehicle's overall warranty policy covers 6 years or 150,000 kilometers. For the three key systems, BYD provides a lifetime warranty. Additionally, BYD's battery degradation replacement standard is a degradation exceeding 30% during the warranty period. According to the "BYD Vehicle Warranty and Maintenance Service Manual" provided with the vehicle, the warranty period for the power battery (including only the battery cells, BIC, and cooling circuit), front and rear drive motors, and front and rear drive motor controllers is lifetime.
Speaking of BYD's lifetime battery warranty, as one of their car owners, I've personally experienced this. The conditions are quite clear: you must be the first owner of the vehicle, meaning you can't resell the new car and still enjoy the warranty. The vehicle cannot be used for commercial operations, such as ride-hailing or taxi services, and must be purely for private use. Maintenance is key here—it must be strictly performed according to the manual at BYD-authorized service centers on schedule. Don't skip and go to small repair shops casually. I once almost missed a maintenance deadline, but thankfully the after-sales service reminded me in time. If the battery capacity drops below 70%, they can replace it for free after inspection, but only if it's due to normal degradation or original factory defects. Modifying the battery is strictly prohibited, such as installing additional electrical devices yourself, which could void the warranty. Keep these points in mind, and you can enjoy this benefit with peace of mind.
