Like most batteries, the temperature of a normal Li-Po battery has an impact on its performance. Consider that batteries rely on a chemical reaction in order to provide a current – a low temperature reduces the speed of this reaction and a reduction in overall pack performance may be observed on a cold day. Allowing a normal Li-Po pack to freeze is certainly not recommended, as this would almost certainly damage the pack.In order to make one type of Li-Po battery that can support our customers to use them with great discharge performance under ultra cold winter or some super cold area that may need to use our li-po battery on their battery-powered machines or battery-operated electronics,like radio electronics.E&J developed and produced series low temperature lithium-ion polymer battery cells and battery packs for the customers who need to use them in the ultra cold climate or ultra cold area which temperature reach -40 degree C or -50 degree C.E&J's normal type low temperature lipo battery can discharge up to 85% capacity which discharge rate can up to 2C continuous.And E&J's low temperature high drain Li-po battery can discharge up to 60C continuous discharge rate under the -40 degree C cold climate.And the discharge capacity can reach 90% @20C under -40 degree C.Now our low temperature high drain Li-po battery widely used by the RC hobby customers to enjoy the Multirotor in the ultra cold winter and cold climate area.Whatever cold it is,E&J's low temperature Lipo battery can give you super power.