HP KC04XL Replacement Battery for HP Envy Series

HP KC04XL battery is a replacement lithium-ion battery designed for HP Envy x360 13 series and selected HP EliteBook/Envy ultrabook models that use the KC04XL battery platform. It is built to restore original battery performance for laptops experiencing fast battery drain, charging failure or reduced backup time. This battery typically features a 4-cell slim internal design with a capacity of around 53.2Wh and operates at 15.4V which is standard for this model family. It supports multiple part numbers such as KC04XL, KC04053XL, HSTNN-DB8P, HSTNN-IB8K, L08496-855, L08544-1C1, L08544-2B1 and TPN-W133 depending on the exact laptop configuration. Compatible models include HP Envy x360 13-AG series, 13-AH series, 13-AQ series and 13-AR series variants. It delivers stable voltage output, reliable performance and long cycle life for everyday use such as browsing, office work and media tasks. Always confirm your original battery part number before purchase to ensure full compatibility.