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

• 50 amp- 12,000 Watts Capacity, 4,800 Joules of Advanced Surge Protection Built-in with indicator light
• Fully automatic 10% voltage boost when needed, Boost indicator light when needed
• Complete LED Park Power Diagnostics
• Replaceable Surge Protection Unit
• Voltage Booster & Surge Protection in One Package, Cable Lock with key and digital volt meter included
• Two-year limited warranty

Introducing the World's Only "All-in-One" RV Power Solution. The legendary, original, and patented RV voltage booster, now with the world's most advanced surge protection. The all new Hughes Auto former 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 Auto former is the only U.S patented Voltage boosting solution available today. All others are imitations.