The battery in BYD electric cars, model by model
3 models listed. For each one: the battery versions, the manufacturer warranty, the state of health to expect for its age, and what a failure costs out of warranty.
Hubert Berberich (HubiB) · CC BY 4.0 · Wikimedia Commons Pack cannot be repaired module by moduleBYD Atto 3
since 2022
Calreyn88 · CC BY 4.0 · Wikimedia Commons Pack cannot be repaired module by moduleBYD Dolphin
since 2023
Calreyn88 · CC BY 4.0 · Wikimedia Commons Pack cannot be repaired module by moduleBYD Seal
since 2023
BYD battery warranty, model by model
Manufacturer terms recorded for the UK, by year of first registration. Years and mileage apply whichever comes first; below the guaranteed capacity, the pack is repaired or replaced.
| Model | First registered | Duration | Mileage | Guaranteed capacity |
|---|---|---|---|---|
| BYD Atto 3 | since 2023 | 8 years | 155,343 miles | 70% |
| BYD Dolphin | since 2023 | 8 years | 155,343 miles | 70% |
| BYD Seal | since 2023 | 8 years | 155,343 miles | 70% |
For a specific car, the battery checker gives the warranty end date. Compare with every brand.
What to know about BYD batteries
The catalogue covers 3 BYD electric models, on sale since 2022. The packs recorded use LFP cells, which largely decides how quickly capacity falls.
Battery warranty. The terms recorded for BYD are 8 years, up to 155,343 miles, with a guaranteed minimum capacity of 70%. These terms depend on the date of first registration, not on the model alone: the checker gives the end date for a specific car.