84V 5A Li ion Battery Charger Multiple Plugs Battery Charger 20S 72V (Not Applicable to Lead-Acid Batteries)

About this item

• Product Information

  This charger features a DC 5.5 × 2.5 mm connection interface, which is also compatible with 5.5 × 2.1 mm connectors. It supports multiple connection interface conversions, including Triangle Plug, 3P-XLR, RCA, 3P-GX16, and 3P-GX12.

  The charger includes an LED indicator system:

  • Red LED (LED1): Charging in progress

  • Green LED (LED2): Power indicator

  • Red to Green: Charging complete or in standby mode

  Input Voltage: 100–240 VAC
  Output Voltage: 84 V / 5 A
  Maximum Power Output: 420 W
  Color: Black

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  Safety Protection

  The charger is equipped with multiple safety protection mechanisms, including:

  • Short-circuit protection

  • Over-current protection

  • Over-voltage protection

  • Over-temperature protection

  • Over-charge protection

  • Over-discharge protection

  • Cycle protection

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  Features That Extend Battery Life

  1. Advanced intelligent chip for enhanced safety and reliability

  2. High-efficiency lithium battery charging technology

  3. Built-in cooling fan to effectively prevent overheating during charging

  4. Durable, flame-retardant ABS housing for added safety

  5. Intelligent high-voltage timed charging with IC control to prevent battery damage

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  Charger Use & Maintenance

  • This charger is designed for lithium-ion batteries only.

  • Ensure the charging interface matches the battery connector and that the positive and negative terminals are correctly aligned.

  • To charge:

    1. Connect the charger to the battery first

    2. Then connect the charger to the AC power supply

  • After the battery is fully charged:

    1. Disconnect the AC power supply

    2. Then unplug the battery

  ⚠️ Important: Do not unplug the battery before disconnecting the AC power while charging. Doing so—especially when the charging current is high (red LED on)—may damage the charger.