HAMMER EZ 680 ELECTRIC FENCE ENERGIZER HAMMER Ez 680 Electric Fence Energizer is a high-powered single-zone controller built for demanding perimeter protection. With 8 Joules of output energy and up to 10,000V, it can secure fences up to 8 km using 1.6mm wire or 40 km with 2.2mm galvanized wire. The unit features voltage monitoring, gate alarms, and siren/strobe integration, all backed by a 12V battery with up to 14 hours of backup time. Its compact design, remote control capability, and optional solar support make it ideal for residential, commercial, and agricultural installations. 24 Months Warranty Service. Spares & repair Available