Replacement Battery for IBM FRU 02K6652 / Parts 02K6651 02K6678 02K6712 02K6837 02K6838 02K6839 02K6850 08K8024 — ThinkPad X20 X21 X22 X23 X24, 10.8V 4400mAh

Compatibility: This replacement battery fits IBM part numbers 02K6651, 02K6678, 02K6712, 02K6837, 02K6838, 02K6839, 02K6850, 08K8024 and FRU 02K6652. It is designed for Lenovo ThinkPad models X20, X21, X22, X23 and X24. Specifications: Capacity 10.8V/4400mAh. Physical size 208.50 x 50.80 x 19.50mm. Quality and performance: Built with high-capacity cells and a circulation function for reliable operation. Engineered to serve as a direct replacement for the original battery.