This Asus U46E battery is rated 14.4 volts, 5200 mAh and will typically last 2 to 3 hours on a full charge. You can get even longer battery life by dimming your laptop screen and closing unused programs.

This Asus AU46E battery replaces the Asus original battery part number "A42-U46". Additional compatible battery part numbers are listed below.

We use the highest quality lithium-ion cells and components that charge faster and last longer. This Asus U46e battery pack 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 of run time with this Asus A42-U46 battery when new, depending on your energy use.