Overview:

DuoRacer MPPT charge controller is made for charging two batteries (shown as BATT1 and BATT2 below) at the same time in a solar system. This controller supports multiple life battery (BATT1) types, including Sealed, Gel, Flooded, LiFePO4, and Li-NiCoMn, which is suitable for RV, Camper, Boat, and so on. The device recognizes the start battery (BATT2) system voltage automatically, and trickle charges the battery when the conditions are satisfied. The controller adopts the advanced MPPT control algorithm,which will minimize themaximum power point loss rate and loss time,also fast track the maximum power point(MPP) of the PV array, and obtain the maximum energy from solar array under any conditions. The energy utilization in the MPPT solar system is increased by 20-30% compared with PWM charging method. When there is no manual operation for a long time, and the charging conditionscannot be reached, the controller will turn to low-power mode, which reduces the loss and battery power waste to enhance the products life. The system parameters are shown and set by LED/LCD or the MT11 remote meter (Accessory).The AES control signal of the car refrigerator is built in the controller, which will supply the surplus solar power to the refrigerator to avoid energy waste. The controller comes with IP33 protection level, which is waterproof and dustproof. Multiple protection features, including battery overcharge protection, over discharge protection, and reverse connection protection of the PV and battery, which effectively ensure the solar system safety, stability, and lifetime.

Features :

Maximum Power Point Tracking technology with ultra-fast tracking speed and the tracking efficiency is no less than 99.5% guaranteed Advanced MPPT control algorithm to minimize the MPPlost rate and lost time The wider range of the MPP operation voltage to improve the PV module utilization Auto control function of charging power & charging current limitation(BATT1) High quality and low failure rate components of ST, TI and Infineon to ensure the product life Digital circuit control of adaptive three-stage charging mode to enhance BATT1 life. BATT1 type can be set via LED/LCD. Product runs into the low-power mode when there is no manual operation for a long time, and charging conditions are not satisfied (PV Less than 5V). 100% charging and discharging in operationenvironmental temperature range. LED and LCD dispiay units selectable. AES control signal for car refrigerator to avoid energy waste. Standard Modbus protocol, and RS485 (5V/200mA) communication port for the customer to expand the application area.

Technical specifications:

①The Temperature compensate coefficient is zero and not changeable when the life battery type is lithium battery。
②If the AES signal port and RS485 communication port are used in the same time, the toal current is no greater than 200mA.
③The communication baud rate can only be set via PC software.
④The LCD backing time can only be set via PC software, setting range is 0~999S and the 0s means the LCD is on all the time.
DDB:DuoRacer Display Basic (LED)
DDS:DuoRacer Display Standard (LCD)

Models:MT11

Overview

The MT series remote meter is an accessory which is compatible with the DuoRacer series controller. It can monitor the running data and working status of the controller via the remote meter. The remote meter can browse the controller’s parameters, set the battery typeand temperature unit, and clean the generated energy.It is suitable for RV, Camper, Boat, and so on.

Features：

1,Automatically identify and display the type,model and relevant parameter data of controllers.

2,Real-time display the operational data and working status of the connected devices indigital,graphics and textual forms by a large-screen multifunction LCD.

3,Three touch buttons are easy and quick to operate.

4,No need for external power supply. Charge controller supply the power for MT11.

5, It can browse the controller’s parameters, set the battery typeand temperature unit, and clean the generated energy.

6,Real-time display of failure information of the connected devices.

7, Longer communication distance based on RS485.

Technical Specifications: