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How to Test an RV Power Pedestal Before Plugging In
Before you plug your RV into shore power, it’s worth taking a minute to verify the pedestal with a multimeter. Whether you’re at a campground, RV park, rally, or borrowing power from someone else, a quick check can help you avoid plugging into a potentially unsafe outlet. In this Two-Minute Tech Tip, Todd from Big Beard Battery walks through the basics of checking 20 amp, 30 amp, and 50 amp RV pedestal outlets. Know Your Hot, Neutral, and Ground On a standard 20 amp outlet, t


How to Use Victron Relays to Control Cooling Fans in an RV Solar System
If your RV solar equipment is getting hot, Victron relays can help automate cooling fans and improve airflow around your inverter, charge controller, and electrical bay.


RV Washer Shuts Off on Inverter Power? How an Isolation Transformer Could Help:
If your RV washer runs fine on shore power and generator power, but suddenly shuts off mid-cycle when you're on inverter power, you're probably dealing with more than just a simple power issue. We ran into this exact problem on a recent solar build at Big Beard Battery in Athens, Texas. The RV had a newer Splendide washer, and everything seemed normal at first. It would start up, begin the cycle, and then just shut off while running on inverter power. But when plugged into sh


12V vs 24V vs 48V RV Solar: Which Battery Voltage Is Best for Your RV?
If you are planning an RV solar upgrade, one of the biggest questions you will run into is this: Should you choose a 12V, 24V, or 48V battery system? The answer depends on your RV, your power goals, and the size of the system you want to build. We hear this question all the time from RV owners who want a system that works reliably in the real world, not just on paper. Some people hear that 24V is “more efficient” than 12V. Others assume 48V is always better because it sounds


Victron Lynx Shunt M10: When to Use the Bus Bar vs a Fuse
Victron Lynx Shunt M10: When to Use the Bus Bar vs a Fuse


RV Solar Moisture Problems: How to Protect Your Equipment from Humidity
If you’ve got solar equipment installed in your RV storage bay, humidity is something worth paying attention to, especially if you spend time in places like Florida or along the Gulf Coast. It’s not always obvious, but moisture can slowly build up and cause issues over time. Why Humidity Matters Most RV solar components, including Victron equipment, are rated IP20 or IP22. That basically means they’re protected from solid objects, but not from moisture in the air. So if your
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