61+ parts
61+ Battery
| Capacity | 4400mAh |
| Voltage | 10.8V |
| Max. energy | 47Wh |
| Cell technology | Lithium-ion (li-ion) |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
61+ Battery
| Capacity | 1950mAh |
| Voltage | 11.4V |
| Max. energy | 22Wh |
| Cell technology | Lithium-ion (li-ion) |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
61+ Original Battery
| Capacity | 2080mAh |
| Voltage | 11.55V |
| Max. energy | 24Wh |
| Cell technology | Lithium-ion (li-ion) |
| Color | Black |
| Manufacturer | Lenovo |
| Warranty | 1 year |
No longer available