EFFECTIVE…EFFICIENT…ECONOMICAL. Our lineup of electric fence energizers offers powerful performance at an affordable price! User-friendly features include front-mounted terminals for easy installation, a rugged, weather-resistant external casing, and a one-year warranty which includes lighting damage! Plus, if you do require service on your unit, we can take care of your needs right in our office. Performance Plus Energizers meet all UL Safety Specifications for Electric Fence Controllers 697H.