Hunter Sprinkler SPNODE Solar Panel Kit for Node SP-NODE Solar Panel Kit SPNODE eliminates the need for batteries and provides maintenance free operation. Included Charging cell: 800mAh 9.0V (charging cell only to be used with Hunter Solar Panel) Supplied wire: 40 feet/12m, 18 AWG/1mm UL rated for outdoor sunlight exposure Maximum wire distance from charging cell to solar panel: 200 feet/61m, 18AWG/1mm