Nickel cadmium battery AAA size,1.2v Long-lasting performance No leakage and no explosion under standard operating condition Nickel cadmium battery,1.2v1.Size:AAA2.Capacity:400mAh3.Diameter: 10.5mm(max)4.Height:44.5+/-1.5mm5.No leakage and no explosion under standard operating condition6.Application: Toys,transceiver cordless phone, portable tool,emergency light, digital product etc.