The HV03XL laptop battery is a high-performance replacement power solution designed for select HP notebook models including HSTNN-LB7B and 818418-421. With a capacity of 4220mAh, voltage of 11.4V, and energy density of 48Wh, this battery delivers reliable and long-lasting power for everyday computing tasks. Built with high-quality Li-ion cells, it ensures stable performance and extended runtime. The HV03XL is engineered to meet or exceed original equipment manufacturer (OEM) specifications, providing a secure fit and seamless compatibility. It features overcharge, overheating, and short-circuit protection, ensuring safe operation. Lightweight and durable, this replacement battery is ideal for users seeking dependable power on the go. Easily installs in minutes, making it perfect for professionals and students alike who need uninterrupted performance from their HP laptops.
