This is a brand new Toshiba Satellite P105 and P100 battery. The superior South Korean cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries.

This PA3479U battery replaces the Toshiba Satellite P100 and P105 and Satellite Pro 100 and 105CS. This PA3479U battery is typically superior to the original battery and is 100% compatible with your Toshiba Satellite notebook computer. The PA3479U battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 2 hours to 2-1/2 hours of run time with this Toshiba PA3479U battery when new, depending on your energy use.