1、MPPT High Efficiency Charging: Adopt MPPT charging method, the energy utilization rate is higher, can exert the maximum power of the battery board, provides a larger charging current. 2、Regulated Charging: Featuring activation function for lithium battery and regulated charging function, avoid the controller from crashing, protect the battery cells. 3、Two Ways of Taking Electricity: When the battery does not supply power to the controller, which will turn to take electricity from the photovoltaic. 4、Widely Compatible: This controller is adapt to a variety of batteries, including acid gel battery, ternary lithium battery, lithium iron phosphate battery and other types of batteries. 5、Multiple Protections: The controller features the protections against solar anti reverse charging, battery reverse connection, battery open circuit, overvoltage and load overload, power failure and lightning. 1 x MPPT Solar Charge Controller1 x Manual Item Type: MPPT Solar Charge ControllerMaterial: Aluminum AlloyPV Maximum Access Voltage: 80VRated Current: 30APV Maximum Access Power:12V: 30A 390W24V: 30A 780WPower Taking: Battery or photovoltaic panel to take powerCharging Method: MPPT charging functionLoad: A variety of working modes are available: pure light control mode, normally open mode, light control plus time control mode (four periods, morning light)Protection Type: Solar battery anti reverse charging protection, battery open circuit protection, battery reverse connection protection, overload protection, etc.