QK644AA - HP SX06XL QK644AA Notebook Battery 5100 mAh Lithium Ion (Li-Ion) 10.8 V DC

The HP Long Life Battery helps you be productive longer than with standard solutions, and has up to a three-year life span backed by its three-year warranty, an industry first, which helps lower your cost of ownership. Other benefits include- Reduced overall battery waste by requiring fewer batteries to be used over the life of the notebook.- Construction includes an insulating safety wrap that encloses the cells, a fire-retardant casing, barrier walls that isolate cells from the Printed Circuit Assembly (PCA), and internal connections designed to prevent pinching and potential short circuits.