HSTNN-OB21 parts
HSTNN-OB21 Battery
| Capacity | 7000mAh |
| Voltage | 11.58V |
| Max. energy | 81.06Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
HSTNN-OB21 Original Battery
| Capacity | 6880mAh |
| Voltage | 11.58V |
| Max. energy | 83Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | HP |
| Warranty | 1 year |