Purchase HP Elitebook 8640w batteries
HP Elitebook 8640w battery
| Capacity | 4400mAh |
| Voltage | 10.8 - 11.1V |
| Max. energy | 47Wh |
| Cell technology | Lithium-ion (li-ion) |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
HP Elitebook 8640w premium battery
Best choice
| Capacity | 5200mAh |
| Voltage | 10.8V |
| Max. energy | 56Wh |
| Cell technology | Lithium-ion (li-ion) |
| Color | Black |
| Manufacturer | Premium |
| Warranty | 5 year |