Energizer Advanced Lithium 9-Volt 9 V 750 mAh Battery 9V1 1 pk

Energizer innovation delivers up to 10-year battery backup in AC-powered smoke detectors. This 9-volt lithium battery lasts up to 20 percent longer in toys vs. Energizer MAX batteries and weighs 1/4 less than standard alkaline. It performs in extreme temperatures from negative 40 to 140 degrees Fahrenheit and is made of leak-resistant construction.