DuoRacer series is perfect for off-grid solar system such as motorhome, RVs, campers, boats, and so on. It charges the main battery (BATT1)for living, and supports trickle charging(max. 1A) to the start battery(BATT2) of vehicles at the same time.
Product features:
| Model | DR1106N-DDB/DDS | DR2106N-DDB/DDS | DR3106N-DDB/DDS | DR1206N-DDB/DDS | DR2206N-DDB/DDS | DR3206N-DDB/DDS | DR2210N-DDB/DDS | DR3210N-DDB/DDS |
| BATT1 rated voltage | 12VDC | 12VDC | 12VDC | 12/24VDC | 12/24VDC | 12/24VDC | 12/24VDC | 12/24VDC |
| BATT2 rated voltage | 12VDC | 12VDC | 12VDC | 12/24VDC/Auto | 12/24VDC/Auto | 12/24VDC/Auto | 12/24VDC/Auto | 12/24VDC/Auto |
| BATT1 rated charge current | 10A | 20A | 30A | 10A | 20A | 30A | 20A | 30A |
| BATT2 rated charge current | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A |
| Battery input voltage range | 8.5～16V | 8.5～16V | 8.5～16V | 8.5～32V (*1) | 8.5～32V | 8.5～32V | 8.5～32V | 8.5~32V |
| Max. PV open circuit voltage | 60V（At minimum operating environment temperature）(*2) 46V（At 25℃ environment temperature）(*3) |
100V（At minimum operating environment temperature）(*2) 92V （At 25℃ environment temperature）(*3) |
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| MPP voltage range | (Battery Voltage+2V)～36V | (Battery Voltage+2V)～72V | ||||||
| Rated charge power | 130W/12V | 260W/12V | 390W/12V | 130W/12V 260W/24V |
260W/12V 520W/24V |
390W/12V 780W/24V |
260W/12V 520W/24V |
390W/12V 780W/24V |
| Max. conversion efficiency | 96.30% | 96.90% | 97.40% | 97.40% | 97.50% | 98% | 97.50% | 98% |
| Full load efficiency | 95.50% | 94.60% | 94.20% | 97% | 96% | 96% | 96% | 96% |
| Self-consumption | 12mA/12V; 6mA/12V (Low-power mode) | 12mA/12V; 6mA/12V (Low-power mode) | 12mA/12V; 6mA/12 (Low-power mode) | 12mA/12V;8mA/24V;4mA/12V;3mA/24V (Low-power mode) |
12mA/12V;8mA/24V;4mA/12V;3mA/24V (Low-power mode) |
12mA/12V;8mA/24V;4mA/12V;3mA/24V (Low-power mode) |
26mA/12V;15mA/24V;19mA/12V;10mA/24V (Low-power mode) |
26mA/12V;15mA/24V;19mA/12V;10mA/24V (Low-power mode) |
| Temperature compensation (*4) | —3mV/℃/2V(default) | |||||||
| Grounding | Common negative | |||||||
| BATT2 full voltage | 13.8V/12V | 13.8V/12V | 13.8V/12V | 13.8V/12V; 27.6V/24V(default) |
13.8V/12V; 27.6V/24V(default) |
13.8V/12V; 27.6V/24V(default) |
13.8V/12V; 27.6V/24V(default) |
13.8V/12V; 27.6V/24V(default) |
| BATT2 charge return voltage | 13V/12V | 13V/12V | 13V/12V | 13V/12V; 26V/24V(default) |
13V/12V; 26V/24V(default) |
13V/12V; 26V/24V(default) |
13V/12V; 26V/24V(default) |
13V/12V; 26V/24V(default) |
