Lenovo Battery Internal 4 Cell 54.7Wh LiIon

Lenovo 5B11M90048 is an internal replacement battery for select Lenovo laptops, providing power when you use a compatible laptop away from an external power source. Its lithium-ion design has a four-cell configuration.

With an energy capacity of 54.7 Wh and a voltage of 15.48 V, it identifies a specific battery configuration for parts selection and servicing. Check compatibility with your laptop before choosing a replacement.

The unit is marked L22M4P70; 5B11M90048 is the Lenovo spare part number for ordering this replacement.