21700 4200mAh Low Temperature Battery

-40℃~+60℃ 3.6V 21700CL-4200mAh

Cell model：21700-4200mAh

Nominal voltage：3.6V

Nominal capacity：4200mAh

Internal resistance: ≤70mΩ

Battery weight: 85.0g

Charging temperature：0～45℃

Discharging temperature: -40～+60℃

Application field: Equipped with power supply for troops, aviation, aerospace, deep sea submarine equipment, polar scientific research, expedition equipment power supply, cold zone rescue, disaster relief power supply, cold clothing, cold shoes, power supply lights

Key Characteristics:

√ Low cell impedance: ≤20mOhm

√ 2C (8.4A) charge capability

√ -40°C discharge capability

Low-temperature lithium batteries are widely used because of their light weight, high specific energy and long life. Low-temperature lithium batteries are made of special materials and processes, and are suitable for use in sub-zero cold environments, and have excellent discharge capacity and performance. It is generally required to work normally in an environment of -40 degrees Celsius, the discharge capacity is maintained above 80%.