However, lithium-ion batteries are significantly more expensive than lead-acid batteries.įor a starting RV battery, the best choice is to select the same BCI group size as the factory-equipped battery. They can handle deeper discharges without affecting their longevity.They also require less maintenance and can be charged more quickly.They have a longer lifespan, often between six and eight years.They are much lighter than lead-acid batteries.Lithium-ion batteries, on the other hand, are a newer technology that has become increasingly popular in RVs in recent years, and for good reason. They may require more maintenance including charge top-ups and, in some situations, electrolyte top-ups.Roughly every three to five years, a lead-acid battery will need to be replaced. They have a shorter lifespan than lithium-ion batteries.They are heavy, often two to three times as heavy for the same capacity and application.They are relatively inexpensive and widely available, but they do have some downsides: Lead-acid batteries have been around for decades and are the most commonly used type of battery in RVs. Whether you’re boondocking or plugging into a full-service campsite makes a difference for the type of battery you need. Two chemistries are prevalent among RV batteries, your commonplace lead-acid battery in a variety of configurations and lithium-ion batteries. It powers non-automotive appliances like the refrigerator, lights, and coffee maker among a long list of other things. They are the perfect choice for RVers because they can withstand a greater number of deep discharge-recharge cycles than other types of batteries and typically have a longer lifespan. In a majority of cases, it’s a lead-acid battery that’s used for starting batteries.ĭeep cycle batteries, on the other hand, are specifically designed to be repeatedly discharged and recharged. It’s a 12-volt battery that’s meant to be maintained either full or nearly full so the high amperage draw from the starter can be fed reliably. Starting batteries are exactly what they sound like: they’re for firing up the engine so you can drive between home and your camping destinations. Generally, there are two different types of batteries to think about with RVs: starting batteries and deep cycle batteries. Here's a breakdown of the different battery types, their applications, and how to choose the right one for your needs. But when you need an RV battery, which one is right for the job? When prices range from around $80 to more than $500, it’s important to get the selection correct. Like all car batteries, they’re going to fail after a few years and need to be changed. One is your typical starting battery like a passenger car would have, and there’s another for operating the 12-volt accessories and power inverter for the living quarters. RVs typically have at least two batteries. They might be compact in size, but everything about an RV requires off-grid power to operate, from starting the engine to warming a meal in the microwave or pumping water from the tank to the tap. Along with being able to hop behind the wheel and head to any vacation spot you want on the continent, you’re carrying along the conveniences and comforts you’d find in a house. Recreational vehicles, or RVs, are a home base when you’re traveling a home away from home.
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