12 Volt, 400 Watt, 30 Amp MPPT Charge Controller.The Savanna CC regulates the flow of energy coming in from the solar panel(s) to the connected battery. With easy input and output connections, this compact converter gives you a simple-to-use solution to manage solar-to-storage energy collection. It includes a surface mount build with pre-drilled holes, making it possible to mount it in any location. The Savanna CC comes with all the necessary wiring and mounting accessories you need to put this to use immediately.Compatible with 12V Solar Panels Only