HP NP03XL Replacement Battery for HP Envy x360 / Pavilion x360 Series

HP NP03XL battery is a replacement lithium-polymer battery designed for HP Envy x360 15-u series laptops and HP Pavilion x360 13-a series convertible devices that use the NP03XL battery platform. It is built to restore original battery performance for thin 2-in-1 laptops experiencing fast battery drain, charging failure or reduced backup time. This battery typically features a 3-cell slim internal design with a capacity of around 43Wh (approximately 3720–3800mAh) and operates at 11.4V which is standard for this model family. It supports multiple part numbers such as NP03XL, 761230-005, 760944-421, HSTNN-LB6L, HSTNN-UB6L and related equivalents depending on configuration. Compatible models include HP Envy x360 15-u010dx, 15-u011dx, 15-u111dx, 15-u200 series and HP Pavilion x360 13-a010dx and related 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.