K4Y2J parts
K4Y2J Battery
| Capacity | 7200mAh |
| Voltage | 7.6V |
| Max. energy | 55Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
K4Y2J Original Battery
| Capacity | 7500mAh |
| Voltage | 7.6V |
| Max. energy | 60Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Dell |
| Warranty | 1 year |