Product Advantages

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    Long-cycle

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    Low-internal-resistance

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    High-safety lithium iron phosphate large cylindrical batteries

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    Suitable for most small-scale power application scenarios

Main Product Parameters

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    • Nominal Capacity

      33000mAh

    • Nominal Voltage

      3.65

    • Internal Impedance

      ≤1.5mΩ

    • Charge Cut-off Voltage

      4.2V

    • Discharge Cut-off Voltage

      2.75V

    • Weight

      425±10g

    • Standard Charge Current

      0.5C

    • Fast Charge Current

      4C

    • Standard Discharge Current

      0.5C

    • Max. Continuous Discharge Current

      4C

    • RT Cycle Life

      1300 次>80% 0.5C/1C

    • High-temperature cycle life

      45℃ cycle life
      500>80% 0.5C/1C

    • Operating temperature (charging)

      0℃~60℃

    • Operating temperature (discharging)

      -30~60℃

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    • Nominal Capacity

      15000mAh

    • Nominal Voltage

      3.2V

    • Internal Impedance

      ≤3mΩ

    • Charge Cut-off Voltage

      3.65V

    • Discharge Cut-off Voltage

      2.0V

    • Weight

      295±10g

    • Standard Charge Current

      0.5C

    • Fast Charge Current

      1C

    • Standard Discharge Current

      0.5C

    • Max. Continuous Discharge Current

      2C

    • RT Cycle Life

      2000次>80% 0.5C/1C

    • High-temperature cycle life

      45℃循环寿命
      1000次>80% 0.5C/1C

    • Operating temperature (charging)

      0℃~60℃

    • Operating temperature (discharging)

      -20~60℃

Service Support

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Rapid Response After-sales Service

With a dedicated after-sales service team providing 7X24 technical support, users can receive a rapid response in a short period of time, effectively shortening the maintenance cycle.

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Professional Team Support

CHAM has been focus on new energy core technology for 20 years, providing customized products and services to customers with its professional pre-sales and R&D teams.

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Convenient Service Channel

Extensive sales networks, factories, and after-sales service centers have been strategically deployed in various locations such as Shenzhen, Dongguan, Sichuan, Jiangsu, Indonesia, and Germany.

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Customized Design Services

Our professional R&D team focuses on meeting the individual needs of our clients, tailored to create efficient and stable battery solutions that facilitate the successful implementation of projects.

CHAM Battery Technology,
constructing smart living with green energy