Give your laptop a new lease-on-life with a new Toshiba PA3817U-1BRS battery. This Toshiba PA3817U 1BRS and PA3817U-1BAS battery is compatible with the Satellite A660, A665 and many more models. Additional compatible Toshiba models and battery part numbers are listed below.

Note: If your Toshiba Satellite doesn't run even when plugged in, your battery may not be the problem. You might need to replace your Toshiba Satellite A665 power cord.

This Toshiba PA3817U battery uses the highest quality lithium-ion cells from Samsung. Higher quality cells mean faster charging and longer run times. Batteries also contain computer chips that regulate the charging and recharging of the battery. We use the most premium Texas Instruments battery chip sets. We are so confident in our quality that each Toshiba Satellite battery is backed with a 2 year warranty and 30 day money-back guarantee.

You can expect about 2 hours to 3 hours of run time with this Toshiba PA3817U-1BRS battery when new, depending on your energy use. you can get even longer battery life by dimming your screen and closing unused programs.

Replaces these Toshiba battery part numbers: