L21M4PH1 parts
L21M4PH1 Battery
| Capacity | 4700mAh |
| Voltage | 15.52V |
| Max. energy | 72.94Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
| Width | 28.76 cm |
L21M4PH1 Original Battery
| Capacity | 4833mAh |
| Voltage | 15.52V |
| Max. energy | 75Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Lenovo |
| Warranty | 1 year |
| Width | 28.76 cm |