Stay unplugged even longer with the new Lithium-Ion (Li-Ion) ThinkPad Battery 27++. This rechargeable nine-cell slice battery easily attaches to the ThinkPad docking connectors for select T410, T510 and W510 ThinkPads to provide the ultimate all day computing experience.
Features & Benefits:
Lithium-Ion (Li-Ion) technology
Nine-cell, rechargeable system battery, 94Wh, 11.1 V dc, 8.4 Ah
Standard system battery specifications
Mechanical On/Off indicator
Supports ThinkPad T410, T510, and W510 notebooks
For more information on batteries, visit http://www.lenovo.com/support/batteries or http://www.lenovo.com/alldaycomputing