Get longer battery life and improved performance with a new Toshiba Satellite M840 battery. Additional compatible model and battery part numbers are listed below. This Satellite M840 battery is rated 10.8 volts and 5200 mAh and will normally last 4 hours on a full charge.

We use only the highest quality lithium-ion battery cells and components. Higher quality cells are lighter weight, charge faster and last longer. This battery is rated 10.8 volts and 5200 mAh. It will typically last 3 hours on a full charge. If you want longer battery life go to our 9 Cell Satellite M840 battery.

The Toshiba M840 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 4 hours of run time with this Toshiba Satellite M840 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our extended run battery for your Toshiba Laptop.

Compatible with these Toshiba Satellite laptop models:

Replaces these Toshiba Satellite battery part numbers: