The Ultralife 9 volt lithium battery is a consumer-replaceable battery that lasts up to 4 times longer than ordinary alkaline 9 volt batteries. This primary battery has the highest energy density, flattest discharge voltage curve, longest shelf life, widest operating temperature range, and lightest weight of any comparable 9 volt battery. The Ultralife 9 volt lithium battery can be used for many applications including medical devices, microphones and hand-held metal detectors.
