Operating Temperature Range:
Max. Range: -40℃～60℃ (See specific battery specifications)
Optimal Range: 25℃±5℃
Relative humidity ≦ 95%
Altitude ≦ 4000m
Keep batteries away from any source of ignition, organic solvent, or direct sunlight;
Keep the consistent ambient temperature; the temperature difference between each battery of the same battery bank should be ≦3℃.