BattPit Replacement Battery for Lenovo ThinkPad W550s — 10.8V 4400mAh (48Wh) — Compatible with 20E10004US, 0C52862, 121500147, 45N1126, 45N1129, 45N1136

Brand New Li-ion Battery designed for Lenovo ThinkPad W550s. 10.8 Volt 4400mAh 48Wh Capacity for dependable runtime. Manufactured with Grade A Cells to ensure consistent performance and longevity. Compatible with replacement part numbers 20E10004US, 0C52862, 121500147, 45N1126, 45N1129, 45N1136. Includes a 1 Year Warranty and a 30 Day Money Back Guarantee.