Features 1MPPT 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. 2Regulated Charging: Featuring activation function for lithium battery and regulated charging function avoid the controller from crashing protect the battery cells. 3Two Ways of Taking Electricity: When the battery does not supply power to the controller which will turn to take electricity from the photovoltaic. 4Widely 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. 5Multiple 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. Specification Item Type: MPPTSolarChargeControllerMaterial: Aluminum AlloyRated 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. Package List 1 xMPPTSolarChargeController1 x Manual