Energize the fence corralling your dairy cows or beef cattle and save electrical costs with our complete line of Solar Powered models. Just like our plug-in models, the Power Wizard Ultra low impedance, solar powered electric fence chargers deliver one pulse of shock power per second to your dairy cows or beef cattle. The Power Wizard Solar powered models are available for dairy farms, hobby farms or cattle ranches from one acre to 100 acres. Shop Barndoor Ag for all of your fencing supply needs!