This is a brand new Xtend brand 61++ 9 cell battery. This battery is compatible with the Lenovo ThinkPad T470 T480 T570 T580 P51s and P52s models. This battery is larger than the original battery that came with your laptop and will protrude from back of the laptop.

This battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 2 year warranty.

You can expect about 6 hours to 8-1/2 hours of run time with this battery when new, depending on your energy use.