The Camelion AAAA Plus Alkaline Battery provides excellent performance in high drain devices and low-temperature environments. This battery features an excellent anti-leakage feature and is Mercury and cadmium free reducing unnecessary pollution to the environment. Specifications: Chemistry: Alkaline IEC Name: LR8D425 Size: AAAA Voltage: 1.5V Weight: 6.8g Dimension: 8.0±0.3 x 42.0±0.5 mm Capacity: 550mAh