When you need extended power, the Safari Expansion Pack(TM) (Safari-XP) triples the Safari's energy storage, giving you a total of 4,300Wh. Simply plug it into the back of your Safari for instant capacity boost. It's maintenance-free, holds its charge for up to a year, and keeps your devices and equipment running longer wherever you are.NOTICE: Requires the Lion Safari to operate. Not compatible with the Safari ME.