BYD SEAL U 87 kWh Design battery degradation
Introduced in 2024 · estimated battery health & remaining range over the years
- Battery 87.0 kWh
- Consumption (real-world) 20.5 kWh/100km
- Real-world range 425 km (264 mi)
- Fast charging up to 140 kW
Battery health by age
For a typical driver: 15,000 km (9,321 mi) per year, mild climate, charging to 90% and rarely fast charging.
| Age | Mileage | Battery health | Range left |
|---|---|---|---|
| 1 year | 15,000 km (9,321 mi) | 97.4% | 413 km (257 mi) |
| 2 years | 30,000 km (18,641 mi) | 96.3% | 409 km (254 mi) |
| 3 years | 45,000 km (27,962 mi) | 95.4% | 405 km (252 mi) |
| 5 years | 75,000 km (46,603 mi) | 94.1% | 399 km (248 mi) |
| 8 years | 120,000 km (74,565 mi) | 92.6% | 393 km (244 mi) |
| 10 years | 150,000 km (93,206 mi) | 91.7% | 389 km (242 mi) |
| 15 years | 225,000 km (139,809 mi) | 89.8% | 381 km (237 mi) |
- 90% battery health after ~14 years (217,000 km)
- 80% battery health not within 40 years
- 70% (where most battery warranties apply) not within 40 years
Range over the years
These are estimates from a model that combines wear from charging cycles with calendar aging, calibrated on published fleet data. Your own car's battery health depends on how and where it's driven and charged: enter your mileage, age and habits for a personal estimate.