Here are high -tech enterprises and high -performance low -temperature batteries developed by national high -tech enterprises. They are low -temperature lithium polymer batteries and lithium iron phosphate batteries.

　　1. Battery discharge

　　Lithium iron phosphate batteries at -20 ° C discharge from 0.2C to 85%of the initial capacity, 70%at -30 ° C, and the discharge capacity at -40 ° C is about 55%of the initial capacity. The working temperature is -40 ℃ ~ 55 ℃.

　　Our low-temperature lithium polymer battery working environment has exceeded -50 ° C to 50 ° C. The low temperature discharge performance is high, the minimum is at -50 ° C discharge at 0.2C, with an efficiency of more than 60%; in the -40 ° C environment, it discharge with 0.2C and the discharge capacity is 80%; compared with the traditional lithium polymer battery, it breaks through- Restriction temperature at 20 ℃ ~ 60 ℃. Can be widely used in cold climate and military equipment.

　　2. Battery charging

　　Our low-temperature working battery is more powerful to charge at -20 ° C.

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