Get longer battery life and improved performance with a new Asus B41N1304 Battery pack. This Asus B41N1304 batter is compatible with the VivoBook S451LA, S451LB, R451LN, V451LA, R453LN, K451LA and A451LB models.
Note: Asus made two different batteries for the VivoBook S451 models. This is the 14 volt, 48 Whr version that replaces the B41N1304 battery part number. Asus also made a 7.5 volt, 38 Whr version battery that replaces the Asus c21n1335 battery part number. Here you can find the Asus c21n1335 7.5v 38Whr battery.
Each battery is tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.
You can expect about 4 hours of run time with this C41N1337 battery when new, depending on your energy use.