General Description This high-quality MPPT + PWM solar charge controller is designed to optimize the energy efficiency of your solar system. Although not 100% MPPT, its tracking efficiency is impressive, reaching up to 99.5%. It automatically recognizes voltages of 12V, 24V, 36V, and 48V and features dual 5V USB charging ports. Technical Specifications Product Type: Solar Charge Controller Material: ABS Voltage: Adaptable to 12V, 24V, 36V, and 48V Rated Current: 100A Maximum PV Voltage: 100V Maximum Solar Input Power (Voc): 15–25V (12V battery); 30–50V (24V battery); 45–75V (36V battery); 60–100V (48V battery) Maximum Solar Input Power: 1200W (12V battery); 2400W (24V battery); 3600W (36V battery); 4800W (48V battery) Compatibility and Accessories Compatible with the following battery types: Sealed GEL, Flooded, LifePO4 Installation Follow the included instructions to ensure proper and safe installation. Make sure the system is turned off before starting the installation. Operation To use the controller, follow these steps: Never allow the battery to discharge completely. Light Control Mode: The controller starts discharging after 10 minutes at night and stops after 10 minutes during the day. Light and Delay Control Mode: Discharge begins after a 10-minute delay at dusk and stops according to a countdown timer. General Control Mode: Discharge is maintained continuously. Manual Control Mode: Use the '▼' button to control the discharge status. Time Control Mode: Activate or deactivate discharge regularly. Test Mode: Similar to the lighting control modes, but with reduced delay. Low Voltage Protection: The controller discharges if the voltage is too low. Other Information: The controller is equipped with a backlit LCD display with multiple functions that show the time and provide access to 7 different operating modes.