BattPit Replacement Battery for Lenovo ThinkPad X240 — Compatible with 20AL009BUS / 45N1124 / 121500148 / 45N1127 / 45N1134 / 45N1137

Replacement BattPit Li-ion battery engineered for Lenovo ThinkPad X240 models and the listed part numbers: 20AL009BUS, 45N1124, 121500148, 45N1127, 45N1134, 45N1137. Specifications: 10.8 Volt, 4400mAh (48Wh) capacity; constructed with Grade A Cells for consistent performance. This is a brand new Li-ion Battery backed by a 1 Year Warranty and a 30 Day Money Back Guarantee.