This is a brand new Asus B31N1915 battery pack for the Asus ExpertBook models. Additional compatible battery part numbers and model numbers are listed below.
This B31N1915 battery is rated 11.5 volts and 42 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 B31N1915 battery when new, depending on your energy use.
