This is a brand new Asus C31N2105 Battery for VivoBook S 14 OLED series models.
There are two different batteries that use the C31N2105 part number. They each have the same power rating but are not cross-compatible because of the different mounting tabs. This C31N105-1 battery has 2 mounting tabs on the bottom while the C31N105 battery has 4 bottom tabs. Here you can find the C31N105-1 type 2 battery.
This Asus C31N2105 battery is rated 11.6 volts and 70 Whr and will normally last 5-8 hours on a full charge. This C31N2105 battery is compatible with the Asus VivoBook S 14 OLED models.
Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 1 Year warranty.
You can expect about 5 - 8 hours of run time with this Asus C31N2105 battery when new, depending on your energy use.
