c size um2 batteries 1.carbon zinc battery,1.5 V 2.PVC jacket ... /doz 4.Min.order:240,000 pcs c size um2 batteries 1.metal top and tinplate bottom2.Super leak proof 3 ... , radio, water heater, industrial instrument,toys Discharging time: Art.No. Type Nominal Voltage(V)Shelf Life(Month)Test ConditionsDischarge TimeIEC Standard ... . 0.9V900 Min≥1380 Min Product procedure: c size um2 batteries