This is a brand new Acer KT.00405.007 battery for select Predator Helios 500 models.

This Acer KT.00405.007 battery is rated 15.4 volts and 74 Whr and will normally last 2-4 hours on a full charge. You can get longer battery life by dimming your screen and closing unused programs and applications.

Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 1 Year warranty.

You can expect about 2 - 4 hours of run time with this Acer KT.00405.007 battery when new. You can get even longer battery life by minimizing your screen brightness and energy use.