Use them for Toys, Electronic Equipment, Radio's and other devices that requires this battery size! This battery is a high capacity & low cost solution for many electronic devices. It is used with its specific battery snap, connector or clip. Sealed in original package Model : 6F22M System : Zinc Carbon Nominal Voltage(V) :9V Discharge Resistance(Ω): 620 Cut-off Voltage(V): 5.4 DISCHARGE TIME:270HM,9HOURS Jacket: Metal Operating Temperature Range : (deg. C)** -20 to +85 Weight : (g)*** 2.0 Dimensions : 26. 5 H x 48. 5 W x 17. 5 L (mm) CERTIFICATION:ULCEROHSISO9001~2000 * Nominal capacity indicates duration until the voltage drops down, when discharged at a nominal discharge current at 20 deg. C. ** When using these batteries at temperatures outside the range of 0 to +40 deg. C, please check in advance for conditions of use.