Lenovo Battery Internal 4 Cell 52.5Wh LiIon SWD

Lenovo 5B11M90036 is an internal lithium-ion replacement battery for select Lenovo laptops. Its battery model is listed as L21D4P72, which can help identify the part when checking compatibility.

The battery has a 4-cell configuration and a capacity of 52.5 Wh. It is intended for installation in a compatible Lenovo laptop; no specific laptop models are listed, so check the part against your device before choosing it.