Feature:   1. Basic Values: Our solar charge controller with 99.5% efficiency, PV input maximum open circuit voltage is DC150V. rated current is 100A.     2. Multiple Protection: Solar controller has multiple protection, input and output overvoltage protection, input and output reverse connection protection, over temperature protection, load over current protection.     3. Large Display: Software intelligent charging and discharging system control, avoiding battery overcharge and overdischarge to damage the battery. Large display intuitively shows the working status. Easy to operate, Chinese and English display can be freely switched.     4. Three Drive Charging: The solar controller has three drive charging, constant current, constant voltage and floating charge, with higher frequency and more stable charging to prolong battery life.     5. Regulated Parameter: The controller supports multiple types of batteries to meet the charging needs of different customers with multiple types of batteries. According to the user's needs, several parameters can be adjusted.             Specification:               Item Type: Solar Charge Controller  Material: Aluminum alloy, ABS  System Voltage (Battery Interface Voltage): 12 or 24 or 36 or 48VDC (Automatically identified)  Rated Current: 100A  Rated Charging Power: 1300W 12V, 2600W 24V, 3900W 36V, 5200W 48V  Maximum PV Input Open Circuit Voltage: DC150V  Overall Efficiency: 99.5%  Application Range: Sealed maintenance free acid battery (default), colloidal acid battery, open acid battery (also can be customized to set parameters for other types of battery charging)  Control Mode: Normally open and close mode, time control mode, light control mode  Heat Dissipation Mode: Air cooling heat dissipation  Protection Function: Input and output overvoltage protection, input and output reverse connection protection, machine overtemperature protection, load overcurrent protection                       Package List:   1 x Solar Charge Controller           How to use:    Take out the product and install it before use.