The worlds longest lasting battery (AAA & AA in hi-tech devices). Ultimate Lithium is a high performance battery ideal for power hungry devices such as digital cameras and MP3 players. Lasts up to 8 times longer than standard alkaline batteries (in digital cameras). Takes up to 680 photos (results vary by camera). Performs in extreme temperatures -40degC to +60degC. 33% lighter than alkaline batteries. Size: AA. 1.5 volts. Packed 10.