When people start upgrading their RV electrical systems—especially when stepping into the world of dual inverters, full-time boondocking, or large solar arrays—there comes a moment where the equipment they’ve added still doesn’t quite deliver the seamless experience they expected. You may have the battery bank, the solar, the inverters, and the monitoring dialed in, yet a single stubborn question remains: “Why am I overloading one inverter when I have two?” This is where the

Welcome back to Todd’s Two-Minute Tech Tip Tuesday , brought to you by Big Beard Battery —your go-to source for off-grid lithium power and RV solar systems. In this session, Todd answers three of the most common questions RV owners ask about DC-to-DC charging , battery storage voltage , and solar maintenance during winter . Whether you’re driving across the country or parking your rig for the season, understanding these fundamentals can make the difference between a smooth st

Stepping Down 24V to 12V the Right Way When upgrading your RV to a 24-volt lithium battery system , one of the most common questions we get at Big Beard Battery  is: “If I switch to 24 volts, how do I still power my 12V lights, fans, and accessories?” It’s a great question—and one that comes up often as more RV owners make the jump to higher-voltage systems for efficiency, faster charging, and cleaner power management. The good news is: you can have both. With the right DC-DC

If you’ve ever installed or expanded your RV solar system, you’ve probably realized that finding the right length of solar cable  can be a challenge. Instead of buying pre-cut cables that may be too long or too short, you can easily make your own custom PV solar cables  using MC4 connectors . In this week’s Todd’s Two-Minute Tech Tip Tuesday , brought to you by Big Beard Battery , Todd Henson walks through how to build your own PV cable step-by-step — saving you time, money,

One of the biggest perks of outfitting your RV with a well-designed solar system is independence. You can stay off-grid longer, power what you need, and live on your own terms. But what about monitoring what’s happening inside  your RV when you’re not around? Whether you're leaving pets behind for a short hike or just want peace of mind while traveling, temperature monitoring inside your rig can be just as important as solar panel wattage or battery bank size. That’s where Ru

Installing solar panels on an RV can feel intimidating—especially when it comes to getting them sealed right so you don’t end up with...

If you’ve ever tried running your RV’s rooftop air conditioner using a solar-powered inverter, you may have noticed something odd: the...

How to Fully Automate Your RV’s Solar + Generator System (No More Manual Generator Pushes) If you’ve ever camped off-grid with solar...

When you’re towing a travel trailer  or fifth wheel , keeping your batteries charged while driving can be a challenge. Most RVers rely on...

When it comes to off-grid RV living, more solar power means more freedom. If you’ve already maxed out the panels on your roof, you might...

If you’re setting up a solar battery system yourself, small wiring mistakes can turn into big performance issues or safety hazards. Todd...

Lithium batteries have become the go-to choice for RV owners, off-grid enthusiasts, and solar power users because of their long life,...

If you're planning to store your RV for any period of time, it's important to know how to properly handle your lithium battery. Many RV...