X77XY parts
X77XY Battery
| Capacity | 8500mAh |
| Voltage | 7.6V |
| Max. energy | 68Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
X77XY Original Battery
| Capacity | 8500mAh |
| Voltage | 7.6V |
| Max. energy | 68Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Dell |
| Warranty | 1 year |