Powered by Dragonfly Energy Graphic
FREE GROUND SHIPPING*
Can RV Batteries Keep You Powered Overnight?

As it becomes increasingly difficult and expensive to get a campground reservation, many RVers are opting to boondock and forego hookups. While boondocking offers unbeatable views and more privacy, not having power hookups can pose several challenges. Without an upgraded power system, running some loads overnight can leave an RVer…

Heated Lithium Batteries: Providing Warmth and Power in Cold Weather

Heated lithium batteries will enhance your winter rig. Here's why they're better than other batteries at standing up to below-freezing temperatures.

Before You Recondition Your Lead-Acid Battery, Read This

If your deep-cycle lead-acid car, golf cart, RV, or marine battery won’t hold a charge, you may have come across the idea of battery reconditioning. It sounds appealing: with the right steps, you might squeeze more life out of a tired lead-acid battery instead of replacing it. And in many…

Why Is My Lithium Battery Not Charging? 5 Easy Troubleshooting Tips

If you’re experiencing issues with your lithium battery not charging, there are a few easy troubleshooting tips you can try. Let’s dive in and see what might be causing your power problems and what you can do about it. How Do Lithium Batteries Charge? Lithium batteries require a BMS (battery…

What Is A BMS (Battery Management System)?

Lithium-ion batteries are lighter, more efficient, and last longer than lead-acid — but they also require protection. Like lead-acid batteries, lithium batteries can be permanently damaged by overcharging, deep discharging, or extreme temperatures. That’s where the Battery Management System (BMS) comes in. Often called the brain of the battery, the…

48V Lithium Battery Systems for RV, Marine, and Off-Grid Applications

Is a 48V system right for you? For most RVs, boats, and off-grid homes, 12V is still the standard. But when your power needs climb—running air conditioning, large solar arrays, or whole-home loads—a 48V lithium battery bank can be the smarter choice. This guide helps you decide if you really…

12V vs 24V: What’s The Difference in Battery Systems?

When building a DC system for an RV, boat, or off-grid home, the big question is: do you really need 12V or 24V? For most small systems, 12V remains the standard. But as power needs climb—running larger inverters, motors, or solar arrays—24V becomes more attractive. In this guide, we’ll explain…

Can I Run My RV AC Unit On Lithium Battery Power?

It never fails that when the temperature in your RV increases, so do the attitudes and crankiness. Being inside a hot RV can be super uncomfortable and make you want to pack up and go home. More and more RVers are upgrading the battery banks in their RVs to lithium…

How to Clean Corroded Lead-Acid Battery Terminals (What Causes it and How to Avoid It)?

Battery terminal corrosion is one of the most common — and annoying — problems for anyone using lead-acid batteries. It can cause starting issues, reduce performance, and even damage electronics.In this guide, we’ll cover how to clean corroded battery terminals, why corrosion happens, how to prevent it, and why switching…