DuoRacer Series(10~30A) Dual Battery MPPT Charge Controller
The DuoRacer series is perfect for off-grid solar systems such as motorhomes, 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.
- 2-year warranty
- Worldwide support
- Certified & compliant
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Max PV Input Power
Max PV Open Circuit Voltage
Maximum PV Charging Current
System Nominal Voltage
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Specifications
Model: DR3210N-DDB
Specifications
- BATT1 rated voltage
- 12/24VDC
- BATT2 rated voltage
- 12/24VDC/Auto
- BATT1 rated charge current
- 30A
- BATT2 rated charge current
- 1A
- Battery input voltage range
- 8.5~32V
- Max. PV open circuit voltage
- 100V(At minimum operating environment temperature), 92V(At 25°C environment temperature)
- MPP voltage range
- (Battery Voltage+2V) ~ 72V
- Rated charge power
- 390W/12V, 780W/24V
- Max. conversion efficiency
- 98%
- Full load efficiency
- 96%
- Self-consumption
- 26mA/12V; 15mA/24V; 19mA/12V; 10mA/24V (Low-power mode)
- Temperature compensation
- -3mV/℃/2V(default)
- Grounding
- Common negative
- BATT2 full voltage
- 13.8V/12V; 27.6V/24V (default)
- BATT2 charge return voltage
- 13V/12V; 26V/24V (default)
- Operating temperature range
- -20°C ~ +45°C (DDS); -30°C ~ +45°C (DDB)
- Enclosure
- IP33
- Dimension (LxWxH)(mm)
- 247.2x165x68.5
- Net weight
- 1.4kg
Highlights
- Maximum Power Point Tracking technology with ultra-fast tracking speed and the tracking efficiency is no less than 99.5%
- Advanced MPPT control algorithm to minimize the MPP lost rate and lost time
- The wider range of the MPP operation voltage to improve the PV module utilization
- Charging power & charging current limit function(BATT1)
- High quality and low failure rate components
- Digital circuit control of adaptive three-stage charging mode
- BATT1 type can be set via LED/LCD.
- Product runs into the low self-consumption mode if PV voltage is lower than 5V and there is no manual operation for some time.
- 100% charging and discharging in operation environmental temperature range.
- LED and LCD display units optional
- Standard Modbus protocol, and RS485 (5V/200mA) communication port for the customer to expand the application area.
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