Strongest Line, Battery and Solar Operated Chargers Built in the USA - 10 acres - 0.75 miles of protection Strongest Lightning Protection in the World Best Quality Parts Available Worldwide Price/Performance - Beats New Zealand Imports Built in the U.S.A. / Unsurpassed Animal Holding Power Cyclops Hero Solar Electric Fence Charger and Energizer. A popular and powerful energizer manufactured and designed in the USA. The low impedance charger will maintain a controlling voltage even loaded with heavy vegetation. Very high power output . All Cyclops Electric Fence Chargers have more lightning protection than any other chargers made. Built-in lightning resistant with built in Heavy Duty Surge Suppressor. Operates on 12V DC BATTERY current. Needs 2 Ground Rods. Proudly American Made. One year warranty. Extended Warranty available too. Solar unit contains everything you need to get going.