... .Long shelf life 3.Excellent high & low temperature SC,C,D,F NIMH rechargeable battery pack charging, discharging, service life, self-discharge ... -discharge rate, so should be avoid high temperature environment when store the batteries for a long time.Discharge temperature propertyDischarge conditions ... range for discharge is -40°C~+50°C. SC,C,D,F NIMH rechargeable battery pack