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

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Product Detail

Project number: 42DZ001-03

Cell model: 21700 3.6V/ 4.9AH

Specification: 7S1P/25.2V/4.9Ah

Nominal voltage: 25.2V

Nominal capacity: 4.9Ah

Charging voltage: 29.4V

Charging current: ≤2.95A

Discharge current: 9.8A

Instantaneous discharge current: 15A-25A

Discharge cut-off voltage: 17.5V

Internal resistance: ≤250m ω

Battery weight: 550 GB

Product size: 135*75*80mm (Max)

Charging temperature: -20 ~ 45℃

Discharge temperature: -20 ~ 60 ℃

Storage temperature: -20 to 45 ° C

Temperature protection: 65℃±5℃

Battery case: PVC support

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.Temperature protection,

2.Small current discharges

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

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