Purchase HP 640 G8 original batteries
HP 640 G8 original battery
| Capacity | 3790mAh |
| Voltage | 11.4V |
| Max. energy | 45Wh |
| Type | Type A |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | HP |
| Warranty | 1 year |
HP 640 G8 original battery
| Capacity | 4250mAh |
| Voltage | 11.58V |
| Max. energy | 51.3Wh |
| Type | Type B |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | HP |
| Warranty | 1 year |