The M150 110-Volt Fence Energizer from Gallagher is great for pastures and powers up to 60 acres or 11 miles of multi-wire permanent fence. For easy charge reference, this electric fence charger has charge indicator lights that flash with every pulse. The 110 volt energizer comes with a 2-year warranty and features built in lightning protection and RFI (Radio Frequency Interference) suppressed circuitry to reduce noise.