The New Genuine 3640mAh B31N1911 Laptop Battery for Asus Vivobook F1502Z F1502ZA is a high-quality, reliable battery designed specifically for ASUS laptops. With a capacity of 3640mAh and a voltage of 11.55V, this Li-Ion battery provides long-lasting power for your device. Manufactured by the original manufacturer, you can trust that this battery will keep your laptop running smoothly. Compatible with models such as B31N1911 and C31N1911, as well as various Asus VivoBook 14 models, this black battery is a great choice for those in need of a replacement.Seller RN#012