HP LK03XL Replacement Battery for HP Envy x360 / Pavilion x360 Series

HP LK03XL battery is a replacement lithium-polymer battery designed for HP Envy x360 and Pavilion x360 series laptops that use the LK03XL battery platform. It is built to restore original battery performance for thin convertible laptops experiencing fast battery drain, charging failure or reduced backup time. This battery typically features a 3-cell internal design with a capacity of around 52.5Wh (approximately 4600mAh) and operates at 11.55V which is standard for this model family. It supports multiple part numbers such as LK03XL, LK03048XL, LK03052XL, LK03055XL, 916368-421, 916814-855, L09281-855, HSTNN-UB7I and HSTNN-LB7U depending on the exact configuration. Compatible models include HP Envy x360 15-bp, 15-bq, 15-cn, 15-cp series, HP Pavilion x360 15-cr series and selected Envy x360 17 series variants. It delivers stable voltage output, reliable performance and long cycle life for everyday use such as browsing, office work and multimedia tasks. Always confirm your original battery part number before purchase to ensure full compatibility.