Feature: 1. Stabilized Voltage: This charging controller can ensure that the voltage of the controller is stable when charging, which can effectively prevent the controller from crashing and ensure the safety of the battery cells. 2. MPPT Efficient Charging: The controller can quickly track the maximum power point of the photovoltaic array, obtain the maximum energy in real time, and improve the energy utilization rate of the solar system. 3. Multiple Protection Functions: The controller has the functions of anti reverse charging, reverse connection, open circuit, over voltage overload and power down protection. 4. Optional Working Mode: The controller has a variety of working modes to choose from, such as pure light control, normally open, light control and time control combined mode. 5. Applicable Battery: This controller can adapt to other types of batteries such as ternary lithium batteries, and lithium iron phosphate batteries. Specification: Item Type: MPPT Solar Charge Controller Material: Aluminum alloy PV Maximum Access Voltage: 80V Rated Current: 40A Photovoltaic Maximum Access Power: 12V: 40A, 520W 24V: 40A, 1040W Controller Power Acquisition Mode: Battery or photovoltaic panel to take power Charging Method: MPPT charging function Load: A variety of working modes are available, pure light control mode, normally open mode, light control and time control mode (four periods and morning light) Protection Type: Solar battery anti reverse charging protection, battery open circuit protection, battery reverse connection protection, overload protection, etc.. Package List: 1 x MPPT Solar Charge Controller 1 x Instruction