Stay unplugged longer with these genuine Lenovo batteries.This rechargeable battery implements Lithium-Ion technology and can be used as replacement for aging system batteries or as a convenient spare battery. Compatible with E555. ThinkPad Battery 76+ (6 cell): - Lithium-ion technology - 6 cell system battery - Over-discharge protection to prolong the life of the battery - Battery energy (Watt-hours): 48Wh - Battery Safeguard chip authenticates with Lenovo systems
