... .Long life 3.CE,UL,RoHs,ISO high temperature Ni-CD NI-MH rechargeable battery charging, discharging, service life ... discharge and temperature propertyCharge propertyThe voltage of Ni-Cd and Ni-MH battery goes up during charging, and ... the self-discharge rate, so should be avoid high temperature environment when store the batteries for a ... is -40°C~+50°C. high temperature Ni-CD NI-MH rechargeable battery