Ultralife 9 Volt Lithium Battery

This Ultralife 9 volt lithium battery is a consumer-replaceable battery that lasts up to 5 times longer than ordinary alkaline 9V batteries and 10 times longer than carbon-zinc batteries. Ultralife 9 volt batteries have the highest energy density, flattest discharge voltage curve, longest shelf life, widest operating temperature range, and lightest weight of any comparable 9-volt battery. A 10-year service life makes Ultralife 9 volt lithium battery the choice for major smoke alarm manufacturers for their premium lines of 10-year ionization-type smoke alarms. And as a consumer-replaceable battery, consumers can instantly upgrade any application requiring a 9-volt battery.