Lenovo Battery Internal 4 Cell 15.52V 90Wh

Lenovo 5M21L37922 is an internal laptop battery with primary part number L20M4P75. It provides a replaceable power source inside compatible Lenovo ThinkPad systems.

The lithium-polymer battery contains 4 cells and is rated at 15.52 V, 5805 mAh and 90.01 Wh. These figures describe its voltage, charge capacity and stored energy.

Listed compatible models include ThinkPad P1 Gen 4, Gen 5 and Gen 6, plus ThinkPad X1 Extreme Gen 4 and Gen 5. Check the model generation when choosing a replacement; the battery is intended for the listed laptop families.