Specification: Item Type: MPPT Solar Charge Controller Material: Aluminum Weight: 945g/33.33oz Size: 131.9x145.5x61.8mm/5.20x5.73x2.43in System Rated Voltage: 24V 48V Automatic Identification PV Maximum Access Voltage: 130V Charging Mode: MPPT Charging Function No Load Current (DC): ≤0.05A Controller Takes Power: Battery or PV panel to take power Load: A Variety of Working Modes Are Available: Pure Light Control Mode, Normally Open Mode, Light Control, Time Control Mode (four Periods, Morning Light) Display Mode: LCD, Clear and Intuitive, Clear at a Glance Display Parameters: Battery: Voltage, Electricity, Current, Power, Cumulative Power Generation, Current Power Generation, Equipment Address; PV: Power, Voltage, Current; Load: Mode, Power, Current, Fault Code; Temperature: Temperature, Temperature Code, Etc. Protection Type: Solar Battery Anti Reverse Charging Protection, Battery Open Circuit Protection, Battery Reverse Connection Protection, Overload Protection, Etc. Heat Dissipation Method: Aluminum Material Heat Dissipation and Self Cooling USB Function: 5V, 3A Charging Function Package List: 1 x MPPT Solar Charge Controller 1 x Use Manual Note: 1. Before installation and maintenance, ensure that the controller is in a safe and de energized state.