Power Wizard shock technology plug-in models provide 110V of energy to contain horses, cattle and keep predators out! Select a plug-in model based on acreage, animal type and miles of wire. Whether you are protecting a single acre hobby farm or energizing wire fence to encompass 50 acres there is a Power Wizard Ultra low impedance model to meet your needs. This low impedance power fence charger has an output of 0.50 joule. It controls up to 50 acres or 15 standard miles of wire.
*Note: To determine what charger to use for 4 strands of electric fence take the length x width = square footage. The square footage divided by 43,560 = the # of acres you have. Acre listing is given for each charger. Just pick the correct charger for your number of acres.