The Lenovo 5B11M90068 internal battery is a replacement power source for compatible Lenovo notebooks. Match the battery specification to your laptop before choosing it.
It uses lithium-polymer technology with four cells and has a listed capacity of 3564 mAh (54.7 Wh).
The compatibility listing names selected ThinkPad X13 Gen 2 and ThinkPad X13 Gen 3 models. This battery is for internal installation in a compatible laptop, not for use as an external power bank.