Get longer battery life and improved laptop performance with a Toshiba Portege R830 battery. This battery replaces the original battery found in Toshiba Portege R830 and R835, and Tecra R840 laptop models. Additional compatible models and battery part numbers are listed below.

Our premium battery cells provide longer run times between charges as well as a longer service life than cheaper batteries. Cheaper, lower quality batteries last nearly six times less than our higher-quality batteries. Each battery is individually tested before shipment and backed by a 30 day satisfaction guarantee and a 2 Year warranty.

You can expect about 2 hours to 3 hours of run time with this computer battery when new, depending on your energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 5800 mAh capacities while providing up to 20% more run time.

This battery replaces the Toshiba Satellite R630 R700 R840 R845 R930 R945 Portege R700 R705 R830 R835 R930 and Tecra R840 R940 series laptop batteries and a host more which are listed at the extreme bottom of this web page.