Advanced MPPT/PWM technology for maximum power, with efficiency no less than 99.5%. High-quality components enhance system performance with a maximum conversion efficiency of 98%. Ultra-fast tracking speed ensures efficient power generation. Large LCD screen displays charging/discharging current, cumulative power, temperature, and supports light and delay control. Adjustable charging and discharging parameters with power-off memory function. Dual USB output with a maximum current of 2.5A. Equipped with comprehensive protection features: overheating, overcurrent, short circuit, open circuit, fault elimination, and automatic controller reset. Dual MOS tube anti-backflow circuit for high-power charging with low heat generation. Built-in protections: short circuit, open circuit, reverse connection, overload, and reverse current protection with self-resetting function. Real-time display of temperature, charging current, and discharging current. Automatic MPPT tracking ensures high charging efficiency. Specifications: Name: LCD Solar Controller Voltage: DC 12V / 24V Display: LCD Screen Self-consumption: Less than 10MA Overcharge Protection: 14.4V / 28.8V Float Charging: 13.7V / 27.4V Charge Recovery Voltage: 12.6V / 25.2V Over-discharge Protection: 10.7V / 21.4V Over-discharge Recovery: 12.6V / 25.2V Working Temperature: -35°C to 60°C 12V solar panel compatibility: 18V solar panel, 12V battery. Lithium iron phosphate battery settings (12.8V): Float Voltage: 14.6V Recovery Discharge Voltage: 13.6V Discharge Cut-off Voltage: 11.0V Lithium battery settings (11.1V): Float Voltage: 12.6V Recovery Discharge Voltage: 11.6V Discharge Cut-off Voltage: 9.6V Adjustable output delay when turning off. Power ratings: 100A Battery 12V Solar System: 650W 100A Battery 24V Solar System: 1300W Color: Orange Material: Plastic Size: 133x70x35mm