Lenovo Battery Internal 3 Cell 41Wh LiIon

Lenovo 5B11M90074 is an internal replacement battery for compatible Lenovo laptops. Its model, L20C3P72, identifies the battery associated with this spare part number and helps distinguish it from other Lenovo battery variants.

The lithium-ion pack has 3 cells, stores 41 Wh of energy and operates at 11.52 V. Lenovo’s safety data lists a weight of 190 g. These specifications help check that the battery matches the required part before choosing it for a laptop.

It is designed to provide power from inside the laptop. Compatibility is limited to laptops that support this specific battery; the part number and model can be used to check the match.