Lenovo Battery Internal 4 Cell 54.7Wh LiIon

Lenovo 5B11M90050 is an internal lithium-ion laptop battery designed to replace the matching battery in a compatible laptop. Its four-cell construction identifies it as a replacement part for the laptop’s internal battery.

The listed energy capacity is 54.7 Wh, with a specified voltage of 15.48 V. The battery model is L22D4P70; this model and part number 5B11M90050 identify the same battery.