Hongqi E-HS9 99 kWh battery degradation
Introduced in 2022 · estimated battery health & remaining range over the years
- Battery 90.0 kWh
- Consumption (real-world) 24.3 kWh/100km
- Real-world range 370 km (230 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) | 96.1% | 356 km (221 mi) |
| 2 years | 30,000 km (18,641 mi) | 94.4% | 350 km (217 mi) |
| 3 years | 45,000 km (27,962 mi) | 93.2% | 345 km (214 mi) |
| 5 years | 75,000 km (46,603 mi) | 91.2% | 338 km (210 mi) |
| 8 years | 120,000 km (74,565 mi) | 88.9% | 329 km (204 mi) |
| 10 years | 150,000 km (93,206 mi) | 87.5% | 324 km (201 mi) |
| 15 years | 225,000 km (139,809 mi) | 84.7% | 314 km (195 mi) |
- 90% battery health after ~6 years (97,000 km)
- 80% battery health after ~26 years (387,000 km)
- 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.