BattPit Replacement Battery for Lenovo ThinkPad W540 — Li-ion 10.8V 4400mAh (48Wh) — Compatible with 0C52864 / 45N1147 / 45N1149 / 45N1153 / 45N1159

Brand-new BattPit Li-ion laptop battery offering 10.8 Volt power and 4400mAh (48Wh) capacity. Constructed with Grade A cells to provide reliable runtime for Lenovo ThinkPad W540 units. Compatible with part numbers 0C52864, 45N1147, 45N1149, 45N1153 and 45N1159. Comes with a 1 Year Warranty and a 30 Day Money Back Guarantee.