Best RV Surge Protectors Under $150

A full EMS for 30 amp trailers at a moderate price, backed by a lifetime warranty. Good for anyone who camps at older parks with shaky voltage.

A surge protector with phone monitoring and a replaceable module for 30 amp RVs. It suits owners who want to watch park power but don’t need automatic shutoff.

A simple surge protector with a strong warranty for 30 amp trailers. It warns of problems but leaves the decision to you.

A well built surge protector for 30 amp trailers with extra diagnostics and a lifetime warranty. Pick an EMS instead if you camp where voltage sags.

A basic surge and wiring check built into a short 30 amp cord. Fine for occasional campers on a tight budget.

A low cost surge protector for 30 amp trailers that camp at well kept parks. Owners who face unreliable power should spend more on an EMS.

The best surge rating per dollar among 50 amp protectors here. A good choice when the budget won’t stretch to an EMS.

A high capacity 50 amp surge protector with more diagnostics than its price suggests. For coaches that don’t need voltage cutoff.

A budget surge protector for 50 amp coaches when an EMS is out of reach. It guards against spikes but not against low voltage.