AMA AC4000 Ranch Energizer for Fences with 230Volt Power Supply, Max Fence Length 30Km, Charging Energy 5.5 Joule Volt: 230V Charging Current: 6J Maximum Discharge Current: 4J Maximum voltage: 9000V Voltage at 500OHMS: 4000V Current consumption: 10W Maximum length with strong vegetation: 6km Maximum length with little vegetation: 15km Maximum length without vegetation: 30km AMA Code: Original code: 91915 AT