... approved! use on the toys,alarm clock 1. R03 Super heavy duty battery, AAA size2. pvc/aluminum jacket3.Mercury, cadmium & lead free4.Nominal Voltage ... and so on.6.Height: 10.5mm Diameter:44.5mm AAA: 3.9Ω continuous discharge End-point voltage: 0.9V 35MIN ... Ω continuous discharge End-point voltage: 4.8V 320HOURS R03 Super heavy duty battery AAA size