BattPit Replacement Battery for Lenovo ThinkPad W550s — Compatible with 20E10019, 45N1124, 121500148, 45N1127, 45N1134, 45N1137

Brand New Li-ion Battery engineered for the Lenovo ThinkPad W550s and compatible with part numbers 20E10019, 45N1124, 121500148, 45N1127, 45N1134, 45N1137. Specifications: 10.8 Volt 4400mAh 48Wh Capacity. Manufactured using Grade A Cells to deliver reliable runtime and stability. Coverage: 1 Year Warranty. Returns: 30 Day Money Back Guarantee.