This is a brand new Asus C31N1907 battery pack for the Asus VivoBook 17 models. Additional compatible battery part numbers and model numbers are listed below.
This C31N1907 battery is rated 11.5 volts and 47 Whr and will normally last 4-6 hours on a full charge.
Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.
You can expect about 7 hours of run time with this Asus C31N1907 battery when new, depending on your energy use.