Lenovo 5B11M90076 is an internal lithium-polymer battery for a notebook or laptop, intended as a replacement for the computer’s built-in battery. Its exact part number identifies this specific component when matching a replacement.
The battery has three cells, a charge capacity of 4560 mAh and an output voltage of 11.58 V. These details help distinguish this configuration from other Lenovo notebook batteries.
Listed compatible model examples are Lenovo ThinkPad X13 Yoga Gen 2 (20W8/20W9), ThinkPad X13 Yoga Gen 3 (21AW/21AX) and ThinkPad P16 Gen 1 (21D6/21D7). Check the laptop model and part number when choosing a battery, since compatibility is limited to the models identified for this part.