The Lenovo 5B11N52044 is an internal replacement battery for a compatible Lenovo notebook. Its battery model is L20M3PF0, which helps identify the variant when checking the part specified for the notebook.
With three cells and Li-polymer technology, it has a stated capacity of 45 Wh (4054 mAh) and an output voltage of 11.1 V. These details help match the battery’s electrical configuration to the required part.
Use it where Lenovo part 5B11N52044 is specified.