- The HP RC06 Long Life Battery helps you be productive longer than the standard HP internal battery on the HP ProBook 4340s Notebook PC. - Carry as a spare backup for your primary battery or eliminate the hassle of frequently looking for a place to charge up by replacing your primary battery with a long life battery. - Be environmentally responsible and reduce overall battery waste by using fewer batteries over the life of the notebook. - Get the peace of mind of a one-year limited warranty. Additional support is available (North America only) seven days a week, 24 hours a day by phone as well as through online support forums.