Eliminates the need for batteries, saving time and reducing maintenance hassles, while providing a direct drive for your devices Features a builted-in protections mechanism in the controller to hazards such as overcharging and discharging Weatherproof design, with a wide ranges of operating, suitable for more equipment and scenarios For various applications like shed, cabin, gate opener where 12V batteries is used, and fits for car,, boat, marine, trailer, pumps Solar panel kits with solar controller, extension cable with battery clips for marine boat systems, Manufacturer: Shunzhong