MorningStar SunKeeper SK-6 6 Amp 12 Volt Junction Box Mounted Solar Controller. Morningstar's SunKeeper SK-6 solar controller provides a low cost regulated output directly from the solar module to maximize battery life in small solar power applications. The SK-6 is epoxy encapsulated and rated for outdoor use. By mounting directly to the module junction box and wiring through the junction box knockout, the connection is weather-proof. This eliminates the need for an additional housing for the controller. To withstand the high temperatures at the solar module, the controller has been designed using extremely efficient power electronics and is rated to 70┬░C. The SK-6 is also certified for use in Class 1, Division 2 hazardous locations, making it an ideal controller for solar powered oil/gas applications.MorningStar's products are built from the inside out to deliver more than twice the industry average operating life.