Lenovo 4X51S76885 ThinkPad 4-Cell 57Wh Li-ion Replacement Battery
The Lenovo ThinkPad 4-Cell 57Wh Li-ion Replacement Battery, SKU 4X51S76885, is a rechargeable replacement battery designed for compatible ThinkPad systems. It provides 57Wh capacity, 3654mAh and 15.6V in a 4-cell lithium-ion polymer design. Its replacement-focused design helps extend the service life of supported business laptops and reduce unnecessary device replacement. Lenovo identifies ThinkPad P14s Gen 6 AMD as a compatible system.