This brand new Acer Extensa 5635 replacement laptop battery features lithium-ion cells.

This battery replaces the Acer Extensa 5635 5635G 5635Z 5625ZG and Gateway NV40, NV42, NV44, NV48 series laptop batteries and a host more which are listed at the extreme bottom of this web page.

This battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

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