BattPit Replacement Battery for Lenovo ThinkPad W550s — 10.8V 4400mAh (48Wh) — Compatible with 20E1000A, 0C52862, 121500147, 45N1126, 45N1129, 45N1136

BattPit replacement battery engineered for the Lenovo ThinkPad W550s. This is a brand new Li-ion battery assembled using Grade A Cells for consistent, reliable performance. Specifications: 10.8 Volt; 4400mAh capacity; 48Wh energy rating. Compatibility includes part numbers 20E1000A, 0C52862, 121500147, 45N1126, 45N1129, 45N1136. Comes with a 1 Year Warranty and a 30 Day Money Back Guarantee.