Product details:

Be productive longer than with standard battery solutions with the HP CA06XL Long Life Notebook Battery, which has up to a three-year life span to help lower your total cost of ownership as you use fewer batteries over the life of the notebook. Use this long-life battery with select HP ProBook 600 series notebooks to keep working between charges, or keep one as a backup when you cannot stop to plug in. Get longer battery life in a thin design that integrates into the notebook to keep its sleek profile.