L21L4P72 parts
L21L4P72 Battery
| Capacity | 3300mAh |
| Voltage | 15.4V |
| Max. energy | 50.82Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
L21L4P72 Original Battery
| Capacity | 3400mAh |
| Voltage | 15.44V |
| Max. energy | 52.5Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Lenovo |
| Warranty | 1 year |