77++ parts
77++ Battery
| Capacity | 7200mAh |
| Voltage | 11.1V |
| Max. energy | 80Wh |
| Cell technology | Lithium-ion (li-ion) |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
77++ Original Battery
| Capacity | 7600mAh |
| Voltage | 11.4V |
| Max. energy | 90Wh |
| Cell technology | Lithium-ion (li-ion) |
| Color | Black |
| Manufacturer | Lenovo |
| Warranty | 1 year |
No longer available