Description
🔌 EPEver DR2210N‑DDS – 20 A Dual‑Battery MPPT Charge Controller (12/24 V)
Reliable solar MPPT charge controller designed for off-grid applications like RVs, boats, and campers. Supports dual-battery charging (main + starter/aux) with advanced tracking and energy-saving features.
⚙️ Key Features
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Dual-battery charging: BATT1 (main) up to 20 A; BATT2 (starter) trickle charge ≤ 1 A.
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Broad battery compatibility: Supports Sealed, Gel, Flooded, LiFePO₄, and Li‑NiCoMn batteries with auto voltage recognition.
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High-efficiency MPPT tracking: Peak efficiency up to 97.5%, improving energy capture over PWM controllers.
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Wide PV voltage range: Up to 100 V Voc cold (≈92 V @ 25 °C); MPPT tracking range from Battery Voltage + 2 V up to 72 V.
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Low self-consumption: Idle current ~26 mA (12 V) / 15 mA (24 V); drops to 19 mA /10 mA in low-power mode.
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User interface & connectivity: LED or LCD display; RS485 Modbus port for remote monitoring.
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Environment & protection: Operating temperature range −20 °C to +50 °C; enclosure rating IP33.
📏 Quick Specs
| Specification | Value |
|---|---|
| System Voltage | Auto‑detect 12 V or 24 V |
| BATT1 Charge Current | Up to 20 A |
| BATT2 Trickle Charge | ≤ 1 A |
| Max PV Input Power | 260 W @ 12 V / 520 W @ 24 V |
| Max PV Voc | 100 V (cold), 92 V @ 25 °C |
| MPPT Range | Battery V + 2 V to 72 V |
| MPPT Efficiency | Up to 97.5% |
| Self‑Consumption (Low) | ~19 mA /10 mA |
| Enclosure Rating | IP33 |
| Dimensions / Weight | 243.7 × 158 × 63 mm; ~1.1 kg |
📄 Official Manual
For wiring diagrams, installation instructions, and safety protocols:
▶️ Download EPEver DuoRacer DR2210N‑DDS Manual (PDF)