BTI L17M3P53-BTI 11.1V 45WHR LI-ION BATTERY 01AV463, L17C3P52, SB10K97610, 01AV464, L17L3P52, SB10K97611, 01AV465, L17M3P53, SB10K97612, 01AV466, L17M3P54, SB10K97613 THINKPAD L14, THINKPAD L15, THINKPAD L480, THINKPAD L490, THINKPAD L580, THINKPAD L590This BTI replacement battery is engineered to restore likenew power and reliability to your Lenovo ThinkPad notebooks. With a compact 11. 1V, 45Wh Liion design, it delivers dependable energy for daily work, travel, and long meetings, helping you stay productive without frequent recharges. Built to be compatible with a broad range of ThinkPad models, this battery is a practical upgrade or spare that matches the performance of original equipment while