The HP EL04XL Laptop Battery is a high-performance Lithium-Ion (Li-ion) battery designed to provide long-lasting power for select HP Envy 4 Series laptops. With a voltage of 14.8V and a capacity of 52Wh, it ensures reliable performance, extended usage time, and efficient energy management. This genuine HP replacement battery is compatible with multiple part numbers, including EL04XL, HSTNN-IB3R, and TPN-C102, making it an ideal solution for users seeking a durable and efficient power source. Its slim and lightweight design enhances portability, while its high-quality cells provide safety and longevity. Perfect for replacing worn-out or faulty batteries, the HP EL04XL helps restore your laptop's mobility and productivity.