This ThinkPad B575 battery also replaces the Lenovo B570, B570e and many more laptops. It replaces the 57Y6454 battery part number. Additional compatible battery part numbers are listed below.

This Lenovo B575 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

You can expect about 2 hours to 3 hours of run time with this Lenovo B575 battery when new, depending on your energy use.