Product Advantages

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    Overcharge Protection

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    Overdischarge Protection

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    Overcurrent Protection

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    Short-Circuit Protection

  • 温度控制.svg

    Overtemperature Protection

Main Product Parameters

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    • Nominal Voltage

      21.6V

    • Nominal Capacity

      4000mAh

    • Cell Model

      21700-4000mAh

    • Cell series-parallel connection method

      6S1P

    • Battery dimensions (mm)

      74.1*89.3*67.5

    • Discharge current (A)

      12A

    • Weight (g)

      480

    • Cycle life

      300

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    • Nominal Voltage

      10.8V

    • Nominal Capacity

      2600mAh

    • Cell Model

      18650-2600mAh

    • Cell series-parallel connection method

      4S1P

    • Battery dimensions (mm)

      71.5*37.8*37.8

    • Connector

      JST-SM-3P

    • Discharge current (A)

      5A

    • Weight (g)

      200

    • Cycle life

      500

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    • Nominal Voltage

      10.8V

    • Nominal Capacity

      5200mAh

    • Cell Model

      18650-2600mAh

    • Cell series-parallel connection method

      4S2P

    • Battery dimensions (mm)

      133*41.5*38

    • Connector

      JST-SM-3P

    • Discharge current (A)

      5A

    • Weight (g)

      390

    • Cycle life

      500

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    • Nominal Voltage

      10.8V

    • Nominal Capacity

      2600mAh

    • Cell Model

      18650-2600mAh

    • Cell series-parallel connection method

      3S1P

    • Battery dimensions (mm)

      72.5*38*36

    • Connector

      JST-SM-3P

    • Discharge current (A)

      5A

    • Weight (g)

      145

    • Cycle life

      500

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    • Nominal Voltage

      3.6V

    • Nominal Capacity

      3350mAh

    • Cell Model

      18650-3350mAh

    • Cell series-parallel connection method

      1S1P

    • Battery dimensions (mm)

      68*20.5*19.5

    • Connector

      JST-MOLEX51021-2P

    • Discharge current (A)

      2A

    • Weight (g)

      50

    • Cycle life

      300

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    • Nominal Voltage

      3.7V

    • Nominal Capacity

      2600mAh

    • Cell Model

      18650-2600mAh

    • Cell series-parallel connection method

      1S1P

    • Battery dimensions (mm)

      66*18.6*18.6

    • Discharge current (A)

      2.6A

    • Weight (g)

      46

    • Cycle life

      300

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.

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Heated Gloves/Socks Batteries

CHAM Battery Technology,
constructing smart living with green energy