AMA B300 Ranch Energizer for Enclosures with 9Volt Power Maximum Fence Length 2Km, Charge Energy 0.3 Joule Volt: 9V Charging Current: 0.3J Maximum Discharge Current: 0.2J Maximum voltage: 8700V Voltage at 500OHMS: 2300V Current consumption: 26mA Maximum length with strong vegetation: / maximum length with little vegetation: 0.4km Maximum length without vegetation: 2km AMA Code: Original code: 36002 AT