661-539 parts
661-539 Battery
| Capacity | 5400mAh |
| Voltage | 10.95V |
| Max. energy | 59Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
661-539 Premium Battery
Best choice
| Capacity | 5800mAh |
| Voltage | 10.95V |
| Max. energy | 63Wh |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Premium |
| Warranty | 5 year |