XMT81 parts
XMT81 Battery
| Capacity | 6800mAh |
| Voltage | 7.7V |
| Max. energy | 52Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
XMT81 Original Battery
| Capacity | 6500mAh |
| Voltage | 7.6V |
| Max. energy | 52Wh |
| Cell technology | Lithium-polymer |
| Manufacturer | Dell |
| Warranty | 1 year |