The Replacement Battery for Asus VivoBook 14 X413 11.55V B31N1911 is a high-quality Li-Ion battery designed specifically for Asus VivoBook 14 X413 laptops. With a capacity of 3450mAh and a voltage of 11.55V, this battery ensures long-lasting power for your device. It is a reliable replacement part manufactured by Cameron Sino and is compatible with the Asus VivoBook 14 X413 11.55V B31N1911 model. This black battery is a crucial accessory for maintaining your laptop's performance and productivity.