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How To Replace Deep Cycle RV "House" Batteries
Watch this video on YouTube.

While the “chassis” batteries start your RV’s engine, it’s the “house” batteries that power the interior lights, vent fans, water pump and other 12-volt equipment. Through the use of an inverter, which converts 12-volts DC into 110-volts AC, they also power the coffee maker, TVs, microwave oven and other household appliances.

Like the rest of our equipment, we take good care of our batteries. But after 6 years of service, we were ready for a new set. We decided to replace the house and chassis batteries at the same time and thoroughly clean and paint the battery tray, too.

We chose to splurge on a set of Lifeline AGM (Absorbed Glass Mat) batteries. They’re direct replacements for our old 6-volt lead-acid deep cycle batteries, with a bank of four, wired in series-parallel. But they’re completely sealed, accept a charge faster and perform better in every way. They’re just extremely expensive!

Since we completed the job in the Phoenix area (where golf carts are everywhere) and there was still some life left in all of our old batteries, we posted them for sale on Craigslist. They were gone in under an hour. The $100 we received from that sale helped to offset a little bit of the cost of new batteries, plus it saved us from having to lug them to a recycling center.

Since it was four years ago, before we started making how-to RV videos, we’ll be demonstrating the process without actually doing the work. But you’ll clearly see how to do this job, which isn’t too challenging for a handy DIY RVer.

If you’re interested in splurging for an awesome (but very expensive) set of AGM batteries like the ones we bought, you can find them on Amazon by clicking the following link. Just be sure you’re sitting down before you look at the prices! ;-)


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Sometimes we receive products for evaluation at no cost and may use affiliate links to the products and services from which we earn commissions. For example, as an Amazon Associate, we earn from qualifying purchases. That said, it's important to us to let you know that our opinions are our own. We only recommend products we believe deliver real value and that we can confidently recommend without reservation. You also won’t pay an extra penny by using our links. Thanks so much for supporting RVgeeks as we work to create helpful RVing-related content that we hope enhances your RVing life!

Even though we're handy RVers, we're not professional technicians. So although we're happy with the techniques and products we use, you should be sure to confirm that all methods and materials are compatible with your equipment and abilities. Regardless of what we recommend, consult a professional if you're unsure about working on your RV. Any task you perform or product you purchase based on any information we provide is strictly at your own risk.

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