QK647AA - HP PR08 Notebook Battery 5100 mAh Lithium Ion (Li-Ion) 14.4 V DC

The HP Primary Battery is the standard battery replacement for the original battery included with each HP Business Notebook and HP Mini. It's an economical choice for users who primarily use a notebook while plugged in or docked and charge the notebook overnight. Using an additional HP Primary Battery besides the one included in the HP Business Notebook offers additional freedom from a power outlet while travelling or whenever users like to be extra productive.