This Lenovo 02DL028 battery replaces the original battery found in the ThinkPad P53.

We use the highest quality lithium-ion battery cells and components that charge faster and last longer than cheaper, lower quality batteries. This 02DL028 battery is rated 11.25 volts and 90 Whr.

This Lenovo 02DL028 battery is 100% compatible with the original battery specifications and is tested, inspected and backed by a 2 Year warranty.

You can expect about 5 - 6 hours of run time with this Lenovo 02DL028 battery when new, depending on your energy use.