Get longer battery life and improved laptop performance with a new Asus X451 and X551 battery.

This battery replaces the original battery found in Asus X451C, X451CA, X551, X551C, X551CA, X551MAV-EB01, D550, R512M and D550C laptop models and the battery part numbers A31N1319 and A41N1308,.

Li-ion batteries are not subject to the memory effect common with older battery technology. 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 3 - 5 hours of run time with this computer battery when new, depending on your energy use.

This battery replaces the Asus X451 and 551 series laptops and a host more which are listed at the extreme bottom of this web page.