This is an Xtend brand Acer Aspire M5-583P battery. The Aspire M5 583P battery is compatible with a wide range of Acer Aspire laptops, including the Acer M3, M5, V5, V7 and R5. Make sure you order the correct battery by matching your laptop model or battery number (listed on the original battery).

Note: If your laptop doesn't power on even when plugged into the wall charger your AC adapter has likely gone bad. Here you can find the Acer AP13B8K adapter.

This is a 15.2 Volt Acer M5-583P battery will typically last 4 hours on a full charge. You can get even longer battery life by dimming your screen and closing unused programs.

Each Acer battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 3 - 5 hours of run time with this Acer Aspire M5-583P battery when new. Even longer run time can be achieved by minimizing your screen brightness and energy use.