The VARTA Ultra Lithium 6106 1.5V AA lithium battery in a 2-pack represents maximum power and durability for high-energy-consuming equipment. Produced with cutting-edge lithium technology, these AA-size batteries stand out for lasting up to 8 times longer than conventional alkaline batteries and for functioning perfectly in extreme temperatures of heat or cold. Their lightweight and leak-proof construction protects your devices from damage over time. It is the ideal power source for digital cameras, smoke detectors, game console controls, and outdoor lighting equipment.