Get longer battery life and improved laptop performance with an Acer Aspire S3-391 battery. This battery is also compatible with the Acer Aspire S3-391, S3-951, S3-331, S3-271, C710 and C720P UltraBook laptop models.

We use the highest quality lithium-ion batteries that charge faster and last longer than cheaper, lower quality batteries. Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity.

This Acer S3-391 battery is 100% compatible with your Acer Aspire laptop and is tested and inspected before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 3 - 4 hours of run time with this Acer S3 391 battery when new. Even longer run time can be achieved by minimizing your screen brightness and energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 3280 mAh.