BattPit Replacement Li-ion Battery for Lenovo ThinkPad W550s — 10.8V 4400mAh (48Wh) — Compatible with 20E20014, 45N1124, 121500148, 45N1127, 45N1134, 45N1137

Brand-new BattPit Li-ion replacement battery engineered for the Lenovo ThinkPad W550s. Power specs: 10.8 Volt, 4400mAh (48Wh) capacity. Built using Grade A cells for consistent reliability. Includes a 1 Year Warranty and a 30 Day Money Back Guarantee.