Description
🔌 EPEver DR3210N‑DDS – 30 A Dual‑Battery MPPT Charge Controller (12/24 V)
Advanced charge regulator designed for off-grid and mobile solar systems. It supports simultaneous charging of a main house battery and a starter/auxiliary battery—ideal for RVs, boats, or camper setups.
⚙️ Key Features
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Dual-battery charging: Up to 30 A for BATT1 (main), plus ≤ 1 A trickle charge for BATT2 (starter battery). Compatible with lithium, gel, flooded, and sealed battery types.
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Efficient MPPT conversion: Tracking efficiency exceeding 99.5%, significantly outperforming PWM controllers.
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Wide PV input capability: Up to ~390 W (12 V) or ~780 W (24 V); Voc max 100 V; MPPT tracking window from battery voltage + 2 V up to ~92 V @ 25 °C.
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Low power draw: Standby current around 26 mA (12 V) / 15 mA (24 V); drops to ~19 mA with inactivity.
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Simple user interface: LED or LCD screen plus RS485 Modbus for remote monitoring.
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Robust and compact: IP33-rated for dust/splash protection; operates from –20 °C to +50 °C; size ~243.7 × 158 × 63 mm; weight approx. 1.1 kg.
📏 Quick Specs
| Spec | Value |
|---|---|
| System Voltage | 12 V / 24 V auto-select |
| Main Charge Current | 30 A (BATT1) |
| Trickle Charge BATT2 | ≤ 1 A |
| Max PV Power | ~390 W @ 12 V; ~780 W @ 24 V |
| Max PV Open-Circuit VOC | ~100 V |
| MPPT Efficiency | Up to 99.5% |
| Standby Consumption | ~26 mA / 15 mA (drops on low-power mode) |
| Protection Rating | IP33 (dust and splash resistant) |
| Dimensions / Weight | ~243.7 × 158 × 63 mm; ~1.1 kg |
| Operating Temperature | –20 °C to +50 °C |
📄 Official User Manual
For full installation, wiring diagrams, and technical details:
▶️ Download the EPEver DuoRacer DR3210N‑DDS Manual (PDF)