RV battery, a guideline for picking the most popular battery.

What is the Most Common Rv Battery?

Recreational vehicles, or RVs, have become increasingly popular over the years as more and more people seek to travel and explore the world on their terms. One important aspect of owning an RV is ensuring a reliable power source to keep its systems running smoothly. There are different types of batteries. The most common type used in RVs has been used for decades and remains a popular choice for many RV owners. This blog post will look at the most common RV battery used today.

We’ll talk about the most typical rv battery kinds, their advantages and disadvantages, and why lithium rv battery is becoming increasingly popular. So take a seat, unwind, and prepare to learn everything there is to know about RVs!

What is an RV Battery?

RV batteries are a crucial component of any mobile home or recreational vehicle. They provide the necessary power to operate appliances, lighting, and heating and cooling systems when the RV is not hooked to an external power source. Several different types of batteries are used in RVs, including AGM, deep-cycle, and lithium batteries.

Different types of RV batteries

RV AGM Batteries 

AGM (Absorbent Glass Mat) batteries are a type of sealed lead-acid battery that is maintenance-free and spill-proof. They are popular for RV owners because they are durable, have a long lifespan, and resist vibrations and shocks. AGM batteries, which require a steady power supply, are ideal for high-drain applications such as RVs.

Deep-Cycle RV Batteries

Deep-cycle batteries are designed to provide a steady power flow over an extended period. These batteries are specifically designed to discharge fully and recharge repeatedly, making them ideal for use in RVs. Unlike regular car batteries, deep-cycle batteries are designed to be discharged and recharged multiple times without being damaged. Deep-cycle batteries come in various types, including flooded lead-acid, sealed lead-acid, and gel-type batteries.

Lithium RV Batteries

Lithium batteries for RVs are becoming increasingly popular due to their numerous benefits. These batteries use advanced Lithium Iron Phosphate (LiFePO4) technology, which provides better power output, a longer lifespan, and faster charging times than traditional lead-acid batteries. Lithium batteries are also much lighter than other RV batteries, making them perfect for use in lightweight RVs. Additionally, lithium-ion batteries are eco-friendly, as they do not contain any harmful chemicals or metals.

Pros and Cons of Each Type of RV Battery:

AGM Batteries

AGM means absorbent glass mat and refers to the fine glass fiber separator between the positive and negative plates that help absorb all the lithium rv battery acid.


  • Maintenance-free: AGM batteries are sealed and don’t require regular water checks or maintenance.
  • Spill-proof: In case of an accident or damage, the battery’s electrolyte is absorbed in a mat that prevents leakage and spills.
  • Durable: AGM batteries are designed to withstand vibrations, shocks, and other physical impacts during transportation.
  • Long lifespan: With proper usage and maintenance, AGM batteries can last up to 5 years.
  • Resistant to vibrations and shocks: AGM batteries can handle jolts and bumps without getting damaged easily.


  • Expensive: AGM batteries cost more than traditional flooded lead-acid batteries.
  • Lower power output than deep-cycle batteries: AGM batteries may not be suitable for high-power draws or prolonged use as they have a lower amp-hour capacity.

Deep-Cycle RV Battery

A deep cycle rv battery is a battery that is designed to produce steady power output over an extended time, discharging the battery significantly. At this point, it must be recharged to complete the cycle.

Deep-Cycle Batteries Pros:

Designed to discharge and recharge repeatedly: Deep-cycle batteries are designed to discharge up to 80% and recharge many times, making them ideal for long-term use.

Affordable: Deep-cycle batteries are generally less expensive than lithium batteries.

Widely available: Deep-cycle batteries are commonly used in RVs, and you can find them in most stores.

Deep-Cycle Batteries Cons:

Needs regular maintenance: Deep-cycle batteries require regular checks on water levels and cleaning to prevent sulfation.

Heavy: Deep-cycle batteries are heavier than lithium batteries.

It can be damaged if discharged too much: Deep-cycle batteries can get damaged if discharged below their minimum voltage level.

Lithium RV Battery

Lithium-Ion batteries are rechargeable and are used in vaping devices and many personal electronics such as cell phones, tablets, laptops, E-Bikes, electric toothbrushes, tools, hoverboards, scooters, and solar power backup storage.

Lithium Batteries Pros:

Longer lifespan: Lithium batteries have a longer lifespan than other battery types, lasting up to 10–15 years.

Faster charging times: Lithium batteries can charge up to five times faster than AGM batteries.

Lightweight: Lithium batteries are lighter than other battery types, making them an ideal choice for RVs.

Low self-discharge rate: Lithium batteries have a low rate, meaning they can hold their charge longer than other battery types.

Eco-friendly: Lithium batteries are environmentally friendly and produce fewer greenhouse gases than other battery types.

More cost-effective in the long run: While lithium batteries are more expensive up front, they save money in the long run due to their longer lifespan.

Lithium Batteries Cons:

Expensive upfront cost: Lithium batteries are more expensive than other battery types, making them less accessible to some RV owners.

Overall, all three battery types have advantages and disadvantages. AGM batteries are maintenance-free, spill-proof, durable but expensive and have a lower power output. Deep-cycle batteries are affordable and widely available but require regular maintenance and are heavy. The dakota lithium batteries have a longer lifespan, faster charging times, and are eco-friendly but expensive upfront. Ultimately, the choice of which type of battery to use in an RV depends on individual needs, budget, and usage requirements.

What is the difference between deep-cycle and lithium batteries in an RV?

Deep-cycle and lithium-ion batteries are two common types used in RVs. While both are designed to provide a steady flow of power, there are several differences between them.

First, deep-cycle batteries are typically made of lead and acid and require regular maintenance to maintain their lifespan. They have a lower upfront cost but must be replaced more frequently than lithium batteries. In contrast, lithium-ion batteries use advanced LiFePO4 chemistry, which provides higher power output, a longer lifespan, and faster charging times than traditional lead-acid batteries. They are also much lighter than other types of RV batteries, making them perfect for use in lightweight RVs.

Here’s a comparison table outlining the primary differences between deep-cycle and lithium-ion batteries in an RV: 


Deep-Cycle Battery

Lithium-Ion Battery









10-15 years

Upfront Cost Lower





Charging Time Slower


As you can see from the above table, lithium-ion batteries offer several advantages over deep-cycle batteries, including a longer lifespan, faster charging times, and minimal maintenance. However, they are more expensive upfront. Choosing between a deep-cycle and a lithium-ion battery will ultimately depend on your specific needs and budget.

Why is Lithium RV Battery so popular?

Lithium RV batteries have become increasingly popular due to several benefits that make them superior to other types of RV batteries. Some of these benefits include:

Low self-discharge rate

Lithium batteries have a much lower discharge rate than other batteries, meaning they retain their charge for much longer. This makes them an ideal choice for RVs because they can provide power for extended periods without recharging.

Faster charging

Lithium batteries can be charged much faster than other batteries, meaning you can return to the road sooner.

More Cost-Effective

Lithium batteries are expensive upfront but more cost-effective in the long run. Lithium rv batteries have a longer lifespan and require less maintenance than deep-cycle batteries.

Longer battery  

Lithium batteries have a significantly longer lifespan than other types of batteries. This means that you can save money in the long run by not having to replace your RV battery as frequently.

Lighter Weight

Lithium batteries are much lighter than traditional lead-acid batteries, making them perfect for use in lightweight RVs.


Lithium batteries are rechargeable power sources designed with the environment in mind. Unlike traditional batteries, which can contain harmful chemicals and metals that can damage the environment if not disposed of properly, eco-friendly lithium batteries are made from less toxic materials and are easier to recycle. Additionally, many manufacturers of these batteries use renewable energy sources to power their production facilities, reducing their environmental impact. Overall, eco-friendly lithium batteries represent an important step forward in sustainable technology, offering consumers a reliable and environmentally conscious way to power their devices.

Maintenance of RV Lithium Battery

One of the best things about lithium batteries is that they require very little maintenance compared to other types of batteries. However, it would help if you kept a few things in mind to ensure that your lithium RV battery lasts as long as possible:

Use a high-quality battery charger designed for lithium-ion batteries. Avoid using a charger incompatible with your battery, which could damage it.

Avoid overcharging or undercharging your lithium RV battery, which can shorten its lifespan.

Store your battery in a cool and dry place when not in use, preferably between 50°F and 77°F.

Final Thought

Choosing the right RV battery is essential for a comfortable and safe trip on the road. While several types of RV batteries are available, lithium-ion batteries are becoming increasingly popular due to their numerous benefits. Lithium batteries provide a longer lifespan, faster charging times, lower self-discharge rates, and are more cost-effective in the long run. By considering the advantages and disadvantages of each type of RV battery, you can make an informed choice that suits your needs and budget.

FAQs about RV Battery

Q: Can I replace a deep-cycle battery with a lithium battery in my RV?

Yes, you can replace a deep-cycle battery with a lithium-ion battery. However, you may need to modify your RV’s electrical system to ensure it is compatible with the new battery.

Q: How long do lithium-ion RV batteries last?

Lithium-ion RV batteries typically last much longer than other types of batteries, with an average lifespan of 10–15 years.

Q: Are lithium RV batteries waterproof?

Some lithium-ion RV batteries are waterproof, but not all of them are. Check the product specifications before purchasing a battery if waterproofing concerns you.

Q: Can lithium-ion RV batteries be used in cold weather? 

Lithium-ion RV batteries can be used in cold weather but may have reduced performance in temperatures below freezing. Keeping your battery warm and dry during storage and use is essential.

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