Energizer is only battery company to harness the power of lithium in a AA cell
with up to five times the power of an ordinary alkaline cell. In flash units,
they power three times more flashes with a quick, consistent recycle time. The
Energizer AA Lithium batteries weigh one third less than standard alkaline
batteries and offer outstanding performance in extreme temperatures. These
batteries last up to 5-times longer than alkaline batteries in mission-
critical applications such as communications, flash photography and digital
cameras. Engergizer Lithium AA Battery Specs: Energizer AA Lithium Battery
Features