Hughes Autoformers RV220-50-SP Voltage Booster/Surge 50 Amp

Introducing the Worlds Only "All-in-One" RV Power Solution. The legendary, original, and patented RV voltage booster, now with the worlds most advanced surge protection. The all new Hughes Autoformer RV220-50SP has the same performance and reliability of the RV220-50 now with advanced surge protection in one package. The surge/spike protection unit is also replaceable. In the event of a massive spike, the surge unit will take the hit ensuring your booster and more importantly, your RV stays safe. The Hughes Autoformer is the only U.S patented Voltage boosting solution available today. All others are imitations.