AMA S450 Ranch Energizer for Fences with 5W Solar Panel Complete with 12v7ah Rechargeable Battery, Maximum Fence Length 3.5Km, Charging Energy 0.26 Joule Volt: 12V Amperes: 7 Charging Current: 0.40J Maximum Discharge Current: 0.26J Maximum voltage: 9900V Voltage at 500OHMS: 3000V Current consumption: 30mA Maximum length with strong vegetation: 0.5km Maximum length with little vegetation: 3.5km maximum length without vegetation: 1.5km AMA Code: Original code: 91918 AT