Junsi iCharger 406DUO

Description

Junsi iCharger 406DUO

Junsi iCharger 406DUO gives racers fast, controlled charging with serious power headroom. Moreover, its dual-channel design helps you manage packs between rounds.

Additionally, the synchronous buck-boost DC/DC converter boosts efficiency under heavy loads. As a result, you get stable output across a wide input range.

Why this charger stands out

First, the 406DUO delivers up to 1400W charge power for demanding pit work. Second, each channel supports 6S LiPo, LiIo, LiFe, and NiZn packs.

In addition, the charger supports 1-20S NiMH/NiCd and 1-12S Pb batteries for broad flexibility. Consequently, one unit can cover many classes and scales.

• Advanced converter tech: synchronous buck-boost design for high efficiency and strong current delivery.
• Dual channels: run two packs, or use sync mode for higher combined current.
• Balance accuracy: unique balance calculation with internal resistance correction.
• USB output: 5V/1A port for phones and small devices.

Discharge modes and data tools

Notably, Junsi iCharger 406DUO supports self-discharge, regenerative input discharge, and lithium extra expanding discharge. Therefore, you can prep packs for storage or tune your routine.

Furthermore, it measures internal resistance for the full pack and for individual lithium cells. For background, internal resistance directly impacts voltage sag and punch under load.

In fact, you can store up to 64 parameter sets and move data by SD card. Also, you can analyze charge and discharge logs with Logview.

Additionally, if you want a deeper explanation of how lithium packs behave, review lithium polymer battery chemistry and care.

Protection, cooling, and safe operation

Importantly, the charger activates anti-spark protection when you connect a battery after power-on. Meanwhile, an internal temperature sensor adjusts fan speed for steady cooling.

If temperatures climb too high, the unit reduces output power or shuts down to protect hardware. Likewise, it guards against reverse polarity, input voltage or current issues, battery temperature faults, over-capacity, time overruns, and max power events.

1. First, confirm correct polarity and secure connectors before you start.
2. Next, select the right chemistry and cell count for each channel.
3. Then, review balance settings and current limits for your pack.
4. Finally, monitor temperature and logs to refine your routine.

Junsi iCharger 406DUO specifications

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

What you get in the box

• (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 and support details

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.

View more Junsi iCharger products here.