LR03 AAA AM4 SIZE Alkaline-Manganese dioxide-zinc battery Nominal Voltage: 1.5V Capacity:>140mins(3.9ohm continuous discharge ,endpoint voltage:0.9V) Height:44.5 mm Diameter:10.1mm Approximate Weight:12g Jacket: Aluminium or PVC jacket. Shrink or Blister packing Production capacity:100,000pcs/day 0%Mercury&Cadmium Super long lasting time and shelf life Leakage proof Main Applications:Toys, clocks,flashlights,remote controls and MP3 Players etc.