AMA R3500 Ranch Energizer for Enclosures with 230Volt Power Supply Maximum Fence Length 15Km, Charging Energy 3.5 Joule Volt: 230V Charging Current: 3.55J Maximum Discharge Current: 1.7J Maximum voltage: 8.700V Voltage at 500OHMS: 4.100V Current consumption: 5W Maximum length with strong vegetation: 1.5KM Maximum length with little vegetation: 3km Maximum length without vegetation: 15km AMA Code: Original code: 36032 AT