Renogy 50 Watt 12 Volt Polycrystalline Solar Starter Kit One Renogy 50 Watt polycrystalline solar panel. One 10Amp PWM charge controller; uniquely designed Z brackets for mounting. One pair of 20Ft MC4 connector adaptor kit with MC4 male and female connectors. Added tray cable for connection between charge controller and battery. 25-year transferable power output warranty; 5-year material and workmanship warranty.