The HW03XL replacement battery is a high-quality Li-Ion battery designed for compatible HP laptops. It features a voltage of 11.55V and a capacity of 41Wh, offering reliable and long-lasting power to keep your laptop running smoothly. With a 3-cell configuration, this black battery is easy to install and is backed by a warranty, ensuring its performance and durability. Before purchasing, make sure to verify compatibility with your device’s model and part number to ensure a perfect fit.