230 volt and 12 volt operation are also possible at 12 volt with deep discharge protection including 12 volt connection cable and 230 volt mains adapter earthing rod and fence ground connection cable features very effective device for fences with low fouling 2 power levels selectable easy to use optical control for fence insulation and battery voltage technical specifications no load voltage 8 800 volt voltage at 500 ohms 3 100 volts charging power 038 joules discharge