21700 25.2V 4.9AH Lithium-ion Battery for Underwater Walkie-talkie

Project number: 42DZ001-04

Cell model: 21700/3.6V/4.9Ah

Battery specification: 21700-7S1P/25.2V/4.9Ah

Nominal voltage: 25.2V

Nominal capacity: 4.9Ah

Charging voltage: 29.4V

Charging current: ≤2.45A

Discharge current: 5A

Instantaneous discharge current: 6A-12A

Discharge cut-off voltage: 19.25V

Finished internal resistance: ≤200mΩ

Battery weight: 550g

Product size: 165*76*30mm (Max)

Charging temperature: 0 ~ 45℃

Discharge temperature: -20 ~ 60 ℃

Storage temperature: -20 ~ 45 ℃

Temperature protection: 65℃±5℃

Battery case: bracket PVC

Lithium-ion battery protection: short circuit protection, over charge protection, over discharge protection, over current protection, temperature protection, coulometer, SMBUS communication, etc

Applications: underwater walkie-talkies, underwater equipment

Product Features

1.Temperature protection

2.Coulometer, SMBUS communication

3.Small current discharge

4.The battery pack has good safety and long cycle life;

5.The battery pack has long cycle life, in line with low carbon, energy saving, environmental protection value concept;