SC,C,D,F NIMH rechargeable battery pack: 1.High safety reliability ... life 3.Excellent high & low temperature SC,C,D,F NIMH rechargeable battery pack charging, discharging, service life, self ... be avoid high temperature environment when store the batteries for a long time.Discharge temperature propertyDischarge conditions: single cell discharged ... is -40°C~+50°C. SC,C,D,F NIMH rechargeable battery pack