
The Junsi iCharger 456DUO is a high-power, dual-channel DC charger built for RC pilots who want fast charging, accurate balancing, and advanced battery management in a compact bench-friendly unit. With up to 2200W peak charge power and up to 70A in synchronous mode, it’s an excellent upgrade for anyone charging 6S packs regularly and wanting pro-level control.
Using extreme accuracy and multiple balance modes, the 456DUO helps keep your packs fresh and performing their best. The familiar iCharger interface, large IPS display, internal temperature monitoring, and robust protection features make it a reliable choice for home charging or field setups (with a suitable DC power supply).
⚡ Key Highlights
- 🔌 Dual independent channels – run two batteries at once or use synchronous mode when you need more output
- 🚀 Up to 2200W peak charge power with up to 70A charge/discharge in synchronous mode
- 📈 High-efficiency synchronous buck-boost technology for high power and high current performance
- 🌡️ Internal temperature sensors with intelligent fan speed control
- 🛡️ Thermal shutdown protection for added safety
- 🧠 64 memory profiles – save and recall battery setups quickly
- 📊 2.8" IPS LCD shows current, voltage, power, capacity, internal resistance, control status, time, and temperature
- 🔋 Supports LiPo / Li-Ion / LiFe / LiHV / NiZn / LTO up to 6S, plus NiMH / NiCd and Pb (Lead-Acid)
🔋 Power & Performance
- ⚡ Max charge/discharge current: 45A × 2 (70A Bridged)
- 🔥 Max charge power: 1400W × 2 (2200W Bridged)
- 💨 Max discharge power: 80W × 2 (140W Bridged)
- ♻️ Max regenerative discharge power: 1400W × 2 (2200W Bridged)
- 🔌 Max input current limit: 50A × 2 (70A Bridged)
📊 Specifications
| Input Voltage Range | 10–49V DC |
| Maximum Input Current Limit | 50A × 2 (70A Bridged) |
| Maximum Charge Current | 45A × 2 (70A Bridged) |
| Maximum Charge Power Capacity | 1400W × 2 (2200W Bridged) |
| Maximum Discharge Power Capacity | 80W × 2 (140W Bridged) |
| Maximum Regenerative Discharge Power | 1400W × 2 (2200W Bridged) |
| Maximum Extra Discharge Power | 1400W × 2 @ 32V / 45A (2200W Bridged) |
| Maximum Current Drain for Balancing | 2A × 2 (4A Bridged) |
| Dimensions | 171 × 118 × 57 mm |
| Weight | 920 g |
📘 User Manual (PDF):
Download iCharger 456DUO Manual