This is a brand new Acer AP16M5J battery. This AP16M5J battery is compatible with the Acer Aspire 3 A315-42 series models. It also replaces the AP16M4J and AP16M5J battery part numbers. Additional compatible models and battery part numbers are listed below.

This AP16M5J battery is rated 7.6 volts and 37 Whr and will normally last 4-6 hours on a full charge. You can get longer battery life by dimming your screen and closing unused programs and applications.

This Acer AP16M5J battery is typically superior to the original battery and is 100% compatible with your Acer Swift laptop. Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 6 hours of run time with this Acer AP16M5J battery when new. Even longer run time can be achieved by minimizing your screen brightness and energy use.