1、ADVANCED MPPT TECHNOLOGY: MPPT solar controller, using advanced MPPT maximum power point tracking technology algorithms, 12V 24V 36V 48V automatic identification; can be in any environment to quickly track the maximum power point of the photovoltaic array, tracking efficiency of not less than 99.5 percent. Significantly improves the energy utilization of the solar system. 2、MULTIFUNCTIONAL DESIGN: MPPT solar charge controller with backlight display and clock display multifunctional LCD, 7 working modes, charging mode, light control mode, light and delay control mode, universal control mode, manual control mode, timer control mode. 3、SAFE VOLTAGE GUARD: Solar panel controller has voltage guard for MPPT solar controller, including battery overvoltage and overcurrent guard, power failure guard, overcharge guard, deep discharge guard, reverse connection guard and overheat temperature guard. 4、USER FRIENDLY DESIGN: The LCD display of the solar panel controller is designed to dynamically display the operating data and working status of the device. Controller parameter display (operating mode, battery voltage, PV charging current, battery discharging current, product operating temperature, delay time). 5、MULTIPLE BATTERY CHARGING OPTION: MPPT solar charge controller has multiple battery charging options, compatible with for Seal, for GEL, for Flooded, for LifePO4 battery charging. Dual USB 5V charging ports. Item Type: MPPT Solar Charge Controller Material: ABS, Aluminum Weight: Approx. 740g/26.1oz Voltage: 12V 24V 36V 48V Adaptive Rated current: 60A, 80A, 100A, 200A Maximum PV Voltage: 100V 1 x MPPT Solar Controller 1 x Solar Angle Guide