Lenovo ThinkPad Battery 68 (3 Cell) - For Notebook - Battery Rechargeable - 11.4 V DC - 2060 mAh - 23.50 Wh - Lithium Ion (Li-Ion) - 1 0C52861

Stay unplugged longer with these genuine Lenovo batteries. These rechargeable batteries use Lithium-Ion technology and can be used as replacement for aging system batteries or as a convenient spare battery.Lithium-ion technology 3 cell system battery Over-discharge protection to prolong the life of the battery Battery energy (Watt-hours): 23.5Wh Battery Safeguard chip authenticates with Lenovo systems