This is a brand new Toshiba NB255 mini battery. This battery is rated 10.8 volts and 5200 mAh. It will typically last 2-4 hours on a full charge.

This Toshiba Mini NB255 battery is also compatible with the Toshiba Mini NB205 and NB200 mini models.

This Toshiba NB255 battery uses the highest quality lithium-ion battery cells and components that charge faster and last longer. This NB255 series battery is 100% compatible with your Toshiba mini laptop.

Each Toshiba NB255 battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 7 hours to 8-1/2 hours of run time with this mini NB255 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our TOS-A82XT.