The BN03XL (part number L77034-005 / BN03051XL-PL) is a high-quality, 3-cell rechargeable Li-ion battery designed to replace or upgrade the original battery in various HP Envy and Pavilion series laptops. Delivering 11.55V and 51Wh (4195mAh) of power, it ensures reliable performance and extended battery life for mobile users. This battery is fully compatible with models such as the HP Envy x360 13 and 15 series and Pavilion 14-dv, 14-eh, and Plus 14 models. Built with advanced safety features including protection against overcharging, overheating, and short-circuiting, it is CE, FCC, and RoHS certified.