Feature: 1. High Efficiency: MPPT technology is adopted to realize the maximum energy tracking of solar panels and significantly improve the energy utilization of solar systems. 2. Applicable Battery: Support full power charging and discharging at the same time, support multiple battery types such as USE, FLD, GEL, LI, SLD batteries and customization. 3. Good Protection: Supports the storage of 300 consecutive days of historical data, with perfect overvoltage, overcurrent, overload, over temperature, short circuit and other charging and discharging protection. 4. Fast Heat Dissipation: Excellent aluminum heat sink and high temperature derating treatment are adopted to ensure reliable operation of solar controller in various working environments. 5. Automatic Adjustment: The MPPT solar charging controller can adjust parameters according to different conditions, so that the system is always near the maximum operating point. 6. Wide Application: Used in the solar off grid photovoltaic system to manage the work of solar panels, batteries and loads to avoid damage to components caused by installation errors and system failures. Specification: Item Type: Solar Charge Controller Material: Aluminum Alloy, PC Voltage: 12V 24V Battery Type: USE, FLD, GEL, LI, SLD (default) Static Power Consumption: ??50mA Storage Battery Working Voltage: 8V-32V Rated Charging Current: 60A Maximum PV Input Current: 53A Maximum Solar Panel Power: 800W (12V), 1600W (24V) PV Maximum Open Circuit Voltage: 150V MPPT Working Voltage Point Range: (battery voltage+2)~110V MPPT Tracking Efficiency: >99% Charging Conversion Efficiency: 85%-98% (10%-100% of rated power) Rated Load Current: 40A Load Working Mode: Optical control, optical time control, manual mode (default), debugging mode, normally open TTL Communication: Baud rate 9600kps RS485 Communication: 2 isolated RS485 communication ports, which can support parallel operation; the source output is 5V200mA; the baud rate is 9600kps by default and can be adjusted. Historical Data: Can store historical data of the last 300 days Backlight Function: Light up when there are keys, and turns off automatically after 20s of no key operation Protection Functions: PV overvoltage protection, PV reverse connection protection, PV short circuit protection, night reverse charging protection, input power limiting protection, over temperature protection, load short circuit protection, load overload protection, battery overvoltage, over discharge protection, battery reverse connection protection, battery terminal short circuit protection Grounding Type: Common negative pole design, negative pole grounding Working Environment Temperature Range: -35??-65?? (no derating within 45?? under good ventilation) Protection Grade: IP32 Cooling Mode: Natural Cooling Size: Approx. 260 x 216 x 98.5mm / 10.2 x 8.5 x 3.9in. Package List: 1 x Solar Controller1 x Temperature Sensor6 x Terminals1 x User Manual Note: 1. As the applicable voltage of this controller exceeds the safety voltage of human body, please read the instructions carefully before operation and operate this controller only after the safety operation training is completed.2. There are no parts in the controller that need maintenance or repair. Users should not disassemble and repair the controller by themselves.3. Please install the controller indoors to avoid exposure of components and prevent water from entering the controller.4. Please install the controller in a well ventilated place. The temperature of the heat sink will be very high during operation.5. It is recommended to install a suitable fuse or circuit breaker outside the controller.6. Before installing and adjusting the wiring of the controller, be sure to disconnect the wiring of the photovoltaic array and the fuse or circuit breaker near the battery terminal.7. After installation, check whether all line connections are tight to avoid the danger of heat accumulation due to virtual connection.