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RV Electrical Parts & Power Solutions

Keep your RV powered, charged, and protected wherever you travel. Whether you need a new power cord, solar setup, or converter for your electrical system, you will find dependable options that fit your rig. Shop by power source or component to match how you camp and what you run. Every part is built for safety, performance, and long-term reliability so you can power your RV confidently on the road, at the campsite, or completely off-grid.
RV Solar Calculator
Let's find the right solar package for you! Finding the right solar package for your rig can be stressful with all those questions about wattage, amp hours, panel dimensions, conversion formulas, amperage ratings and more. Fortunately, we can take all that stress off your plate. Forget the complicated calculations - simply answer a few questions, and our solar calculator will find the right kit for you.

Keeping your RV, camper, or fifth wheel powered and fully operational is a must.

For more than 75 years, etrailer has helped RV owners stay powered and protected with tested electrical parts and real-world guidance. We stock trusted brands like Furrion, Go Power, and Progressive Dynamics and back every recommendation with hands-on installation experience. From surge protectors and converters to inverters, solar panels, and generators, you will find dependable RV power solutions and the know-how to keep your system running smoothly wherever the road takes you.

What’s the difference between a 30-amp and a 50-amp RV power system?

A 30-amp system delivers up to 3,600 watts—great for small to mid-size RVs. A 50-amp system provides up to 12,000 watts, powering multiple A/Cs and large appliances. Knowing your power needs ensures you don’t trip breakers or overload your system.

How do I keep my RV’s electrical system protected?

Campground power isn’t always reliable, and one bad surge can fry your electronics. A quality surge protector prevents voltage spikes from damaging your appliances. Power management systems add extra protection by shutting off power when voltage levels are unsafe.

What does an RV power converter do, and do I need one?

A converter transforms 120V AC shore power into 12V DC for your lights, water pump, and fans—while also charging your batteries. If you camp with hookups or a generator, a converter is essential for keeping your 12V system powered and balanced.

How can I power my RV when camping off-grid?

Use a solar panel kit to recharge batteries without noise or fuel. A generator or portable power station gives you backup power for high-draw appliances. Combining solar and battery banks allows for extended off-grid stays with quiet, efficient power.For a breakdown of what solar can handle based on your setup, check out What Can You Run on Solar Power? to build a system that fits your needs.

How do I safely plug my RV into shore power?

Always test the power source first with a polarity tester or voltmeter. Use a surge protector or electrical management system to protect your RV. If the outlet type doesn’t match your plug, use a compatible dogbone adapter to avoid damage or incompatibility.