21700 21.6V/20AH Energy Storage Battery for Underwater Walkie Talkie

Project number: 42DZ001-02

Cell model: 21700 3.6V/ 5.0Ah

Battery specifications: 6S4P/21.6V/20Ah

Nominal voltage: 21.6V

Nominal capacity: 20Ah

Charging voltage: 25.2V

Charging current: ≤5A

Discharge current: ≤5A

Instantaneous discharge current: 20-35A

Discharge cut-off voltage: 16.2V

Internal resistance: ≤250m ω

Battery weight: 1900G

Product size: 187*83.5*75mm (Max)

Charging temperature: 0 ~ 45℃

Discharge temperature: -20 ~ 60 ℃

Storage temperature: -20 to 45 ° C

Temperature protection: 65℃±5℃

Battery case: support +PVC

Communication: no

Lithium battery protection: short circuit protection, over charge protection, over discharge protection, over current protection, temperature protection, etc.

Application: Underwater walkie talkie

Product Features

1.Energy consumption is low;

2.Discharge at low temperature,

3.Temperature protection

4.The battery pack is safe and has long cycle life.

5.The battery pack has a long cycle life and conforms to the values of low-carbon, energy saving and environmental protection.