This is a brand new Asus C41N1727 battery for the ROG GM501 Zephyrus models. It is also compatible with the C41N1727 and 0B200-02900000 original battery part numbers.

This battery is rated 15.4 volts and 3605 mAh and will normally last 5-7 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 2 Year warranty.

You can expect about 5-7 hours of run time with this C41N1727 battery when new, depending on your energy use.