Best answer: The Polaroid OneStep+ comes with a rechargeable lithium-ion battery that can last up to 60 days on a single charge. This battery, unfortunately, does not appear to be user-replaceable. If you still want the Polaroid experience but feel the need for a replaceable battery, check out a refurbished Polaroid 600 camera, since each film pack has its own battery.Get the camera: Polaroid OneStep+ ($140 at Amazon)Replaceable batteries: Polaroid 600 Camera ($130 at Polaroid)