HP is dedicated to providing customers with innovative power solutions to increase employee productivity and reduce the total cost of owning your notebook. HP Long Life Batteries have up to a three year life span – up to two times longer than most Li-Ion notebook PC batteries. HP also offers the industry's first three-year limited warranty on the HP Long Life Battery. New technology reduces overall battery waste by requiring fewer batteries to be used over the life of the notebook. HP remains committed to both business and the environment.