BTI L21L4P71-BTI 15.44V 52.5WHR LI-ION BATTERYUpgrade your Lenovo ThinkPad experience with the BTI L21L4P71 BTI 15. 44V 52. 5Wh Li Ion Battery, a premium replacement designed to meet or exceed the performance and reliability of the original battery. Built as a 4 cell Li ion pack, this battery delivers solid, dependable power for the ThinkPad T14 Gen 3 and ThinkPad P14s Gen 3, helping you work longer between charges and maintain peak productivity on the go. Engineered with Lenovos design
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