Junsi iCharger 406DUO


  • Lilo/LiPo/Life/NiMH/NiCD DC Battery Charger.
  • High Power and Efficiency:  up to 1400 watts.
  • Balanced Charging: extending battery life.
  • User-Friendly Interface: same user interface.
  • Rich Information Display 2.8″ LCD.
  • Safety Features: Internal temperature sensors.
  • Battery Profiles: Store up to 64 battery profiles.


SKU: JUN-406DUO Category:


Junsi iCharger 406DUO DC Battery Charger features:

  • Advanced Technology: The 406DUO utilizes advanced Synchronous buck-boost DC/DC converter technology, providing high power, high current, and exceptional power conversion efficiency.
  • Impressive Power Capacity: With a maximum charge power capacity of up to 1400W, this charger can handle demanding charging tasks efficiently.
  • Dual Channels: Each channel supports 6s LiPo, Lilo, LiFe, and NiZn batteries. Additionally, it features a unique balance calculation with internal resistance correction.
  • Flexible Battery Compatibility: The 406DUO supports a wide range of battery types, including 1-20s NiMH/NiCd batteries and 1-12s Pb batteries.
  • Convenient USB Charging: Equipped with a 1A/5V USB charging port, it allows users to conveniently charge mobile phones and other devices.
  • Anti-Spark Protection: When connecting the battery after powering on, the charger automatically activates anti-sparking protection.
  • Intelligent Fan Control: The internal temperature sensor adjusts the fan speed to maintain optimal operating conditions.
  • Temperature Protection: If the internal temperature exceeds safe limits, the charger reduces output power or shuts down to prevent damage.
  • Parameter Storage: Save up to 64 parameter sets and easily import/export data via an SD card.
  • Informative LCD Screen: The 2.8-inch LCD screen displays real-time information, including current, voltage, power, capacity, internal resistance, control status, time, and temperature.
  • Multi-Discharge Modes: Choose from self-discharge, regenerative input discharge, and lithium battery extra expanding discharge.
  • Internal Resistance Measurement: Measure the internal resistance of the entire battery pack and individual cells within lithium batteries.
  • Comprehensive Protection: The iCharger safeguards against reversed polarity, input voltage/current issues, battery temperature, charging capacity, overrun time, and maximum power.
  • Upgradeable Firmware: Easily upgrade the hardware program via USB port or SD card.
  • Logview Software Support: Analyze charge and discharge data using the “Logview” software.


Net weight: 0.91kg
Dimension: 171×118×59 ±0.5mm
Input Voltage Range: 10.0—30.0VDC
Maximum Input Current Limit: <60A, CH1/2<47A
Maximum Charge/Discharge Current: 70A in sync mode, 40A in async mode
Maximum Charge Power Capacity: 1400W (Channel 1000W @input > 23.5V)
Maximum Discharge Power Capacity: 140W (Channel 80W)
Maximum Regenerative Discharge Power Capacity: 1400W (Channel 1000W)
Maximum Extra Discharge Power Capacity: 2000W (Channel 1000W @25V/40A)
Maximum Current Drain for Balancing: 2.4A in sync mode, 1.2A in async mode
USB Charging Port: 5V/1A?current-limiting protection 1.2A?


  • (2) Open ended 12awg charge leads
  • (2) Balance board connector cables
  • (1) 2 in 1 XH/EH type 2S/6S balance board
  • (1) Open ended power supply cable

Warranty Information: Please be aware that for this specific unit, RC Discharger does not manage the warranty service. Instead, you will need to ship the unit directly to Junsi for repair or replacement. As a result, we kindly request that you allow 3-4 weeks for the warranty service process to be completed.

RC Discharger