Feature 1、Efficient MPPT Solar Charge Controller: Solar charge controller with MPPT efficiency is not less than 99.5%, and the conversion efficiency of the whole is as high as 98%. 60amp Rate Charging current. 2、RS485 Communication: Provide communication protocol to facilitate unified integrated management and secondary development. Supports host computer software monitoring and supports Wi-Fi module expansion to realize app cloud monitoring. 3、Easy to Use: With high definition LCD display, you can view equipment operating data and working status, and can support the modification of controller display parameters. Detailed instruction available. 4、Wide Range Solar Voltage/Power Support: Automatic identification of battery voltage. Compatible with sealed, gel, flooded battery, and can customize parameters to charge other types of batteries. 5、4 Load modes: Support normally open/normally off mode, PV voltage mode, dual time period control mode, and PV + time control mode. 6、Safe Charging: 3 stage charging: constant current, constant voltage, float charging, which can effectively extend the life of the battery. Ultra low power supply chips to reduce static standby energy consumption and reduce energy loss at night. 7、Full Protection: Support battery drop protection, reverse connection protection, overheating protection, overload protection, low voltage protection and segmentation protection. Designed with cooling fan and heat dissipation vents. Color: Red Material: Iron Voltage/Power Support: 12V: DC9V~DC15V , 780W 24V: DC18V~DC30V , 1560W 36V: DC32V~DC40V , 2340W 48V: DC42V~DC60V , 3120W No-load static loss: 0.5W~1.2W PV open circuit voltage (VOC): DC150V Start charging voltage point: 3V higher than battery voltage Input low voltage protection pad: 2V higher than the current battery voltage Input overvoltage protection point: DC150V Input overvoltage recovery point: DC145V Temperature compensation: -3mV/℃/2v (default) Output voltage regulation accuracy: ≤±1.5% Rated load current: 60A Working temperature: -20℃~+50℃ Storage temperature: -40℃~+75℃ IP(Ingress protection): IP21 Noise: ≤40dB Altitude: 0~3000m Maximum connection size: 30mm² Size: 22 * 18 * 8.5cm / 8.7 * 7.1 * 3.3in Weight: 2.6kg / 91.7oz Package List 1 * Controller 1 * Temperature sensing wire 1 * Screwdriver 1 * Instruction