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| Place of Origin | Guangdong, China | Brand Name | EPever |
| Model Number | DR3210N-DDB DR3210N-DDS | Type | MPPT |
| Application | Charger Controller, Collector Controller, Water Heater Controller, Lighting Controller, Thermal Controller, Voltage Controller, Solar System Controller, RV/Vessels/Campers | Work Time (h) | Accept Setting |
| Max PV Power | 390W/12V 780W/24V | Max PV Voltage | 100V |
| Certificate | CE RoHs | Warranty | 2 years |
| Model | MPPT 30A Dua battery chage controller | BATT1 rated voltage | 12/24VDC |
| BATT2 rated voltage | 12/24VDC Auto | Rated Charge Current | 30A |
| Battery Input Voltage Range | 8.5~32V | Max. PV Open Circuit Voltage | 100V(At min. operating environment temp.) |
| MPP Voltage Range | (Battery Voltage+2V)~72V | Max. conversion efficiency | 97.50% |
| Grounding | Common negative | AES signal port | 5VDC/Max.200mA(3.81-4P) |
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