Use the Zareba® 15 miles battery operated low impedance fence charger to control the horses, cattle and other small livestock in your pastures. Even under heavy weed conditions, this battery-powered energizer delivers shocking power to all types of fence lines, including high tensile, polywire and polytape. Over other, similar low impedance energizes, the EDC15M-Z has a 25% longer battery life. Since it doesn't need an electrical connection, this Zareba® charger is ideal for remote locations.