Stay unplugged even longer with ThinkPad Battery 57+. These rechargeable six-cell batteries use Lithium-Ion (Li-Ion) technology and can be used as replacement for ageing system batteries or as a convenient spare battery.
- Lithium-Ion (Li-Ion) technology
- 6 cell system battery
- Battery energy (Watt-hours): 57 Wh
- Output voltage: 10.8 V DC (nominal)
- Over-discharge protection to prolong the life of the battery