Stay unplugged even longer with ThinkPad Battery 19+. This rechargeable six-cell slim external battery uses Lithium-Ion (Li-Ion) technology and easily attaches to the ThinkPad X220 and X220 Tablets.
- Supports X220 ThinkPads
- Lithium-Ion (Li-Ion) technology
- Six cell, rechargeable system battery, 64Wh Allows direct charge from AC adaptor (65W, 90W, 135W)
- No external battery charger needed
- Hot pluggable
- Standard system battery specifications
- Over-discharge protection