Stay unplugged even longer with ThinkPad Battery 44. These rechargeable four-cell batteries use Lithium-Ion (Li-Ion) technology and can be used as replacement for aging system batteries or as a convenient spare battery.
- Lithium-Ion (Li-Ion) technology
- 4 cell system battery
- Battery energy (Watt-hours): 29 Wh
- Compatible with the ThinkPad External Battery Charger (40Y7625)