BattPit Replacement Battery for Lenovo ThinkPad T550 — Compatible with 20CK0004 / 0C52862 / 121500147 / 45N1126 / 45N1129 / 45N1136

Brand new Li-ion battery from BattPit designed for the Lenovo ThinkPad T550. Compatible with part numbers 20CK0004, 0C52862, 121500147, 45N1126, 45N1129 and 45N1136. Rated at 10.8 Volt with a capacity of 4400mAh (48Wh) and assembled using Grade A Cells to help ensure consistent performance. Backed by a 1 Year Warranty and a 30 Day Money Back Guarantee.