5 Best Lithium RV Batteries 2023 (What To AVOID & Types)

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As a camping enthusiast and engineer, I can tell you that upgrading your RV batteries to lithium is one of the best decisions you can make. Lithium RV batteries are better than lead acid batteries in so many ways that once you decide to make the switch, you would be asking yourself why you didn’t do it before! In this guide, I will go through the best lithium RV batteries that you can buy right now!

Lithium RV batteries, identified by lithium-ion and, even better, LiFePO4 technology, are a superior choice for RV users. They are renowned for their lightweight build, impressive lifespan, and ability to efficiently store and supply power. Given particularly for off-grid experiences or solar-powered setups, these batteries offer greater efficiency and longevity compared to their lead-acid counterparts.

Now, let’s get straight to the best RV lithium batteries! Then I will also explain the different types of lithium batteries available and why the LFP (LiFePO4) is the most popular choice for RVers.

Best lithium RV batteries

Here are the best lithium RV batteries available to purchase right now:

1. Battle Born LiFePO4 Deep Cycle Batteries

Best Lithium RV Batteries


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★★★★★ 4.7

Looking for the best lithium RV batteries? Look no further than the Battle Born Batteries LiFePO4 Deep Cycle BatteryWith this sleek lithium-ion battery, you’ll have the ultimate power solution that’s designed to last and packed with features that make it the top choice for all your off-grid needs.

Equipped with a built-in Battery Management System (BMS), this battery provides the best protection against common battery issues. It also offers superior charge and discharge capabilities, outpacing other batteries on the market. And weighing just 29 lbs, it’s a lightweight option that can be securely mounted in any position.

When it comes to RV lithium batteries and off-grid applications, Battle Born Batteries LiFePO4 Deep Cycle Batteries are simply the best choice!

Don’t just take our word for it, check out the rave reviews! RVers, boaters, overlanders, and van lifers all praise the cost-effectiveness and long-lasting performance of this battery compared to their old and heavy lead-acid batteries.

Customers love the eco-friendly aspect of being able to repeatedly charge and discharge this battery, as well as the reliable battery management system that ensures safety. And the best part? All of this power and peace of mind comes at a fair price.

Renowned by experienced RV enthusiasts and sailors alike, these batteries are the preferred choice due to their exceptional quality. Simply put, they are the best lithium batteries you can find for your RV.

Why bother with the hassles of old lead-acid batteries? Upgrade now to the Battle Born Batteries LiFePO4 Deep Cycle Battery and enjoy reliable power every time, allowing you to fully focus on your travels and adventures!


  • 100 Ah, 29 lbs
  • Efficient power
  • Fast charging
  • Lightweight
  • Built-in management system
  • Rapid recharge
  • Reliable & Long-lasting
  • Made in USA
  • 10 Year Warranty
  • Between 3000 and 5000 cycles


  • High upfront cost


Best PORTABLE All-in-1 Solution (Lithium RV Battery)


EcoFlow Delta Pro

★★★★★ 4.7

My Review: ★★★★★ 4.9read my review

When it comes to portable LFP lithium RV batteries (power stations), the EcoFlow DELTA Pro is the real deal! Whether you’re heading out on a camping trip or need a reliable backup power source for your RV, the DELTA Pro delivers up to 3600W of AC output and can even be expanded up to 4500W with X-Boost technology. And with a whopping 3600 Wh of capacity (expandable up to 25kWh), you won’t have to worry about running out of juice any time soon. This is equivalent to 3 x 100Ah lithium batteries.

But what really sets this portable power station above the rest is its Smart Home Panel integration and EcoFlow app. With Smart Home Panel, you can seamlessly integrate the DELTA Pro into your home or RV circuits and manage your energy usage right from your phone. Plus, the EcoFlow app allows you to keep track of your energy habits and even switch between solar and grid power depending on your needs.

The delta pro has a 30A power outlet that you can use to plug your RV shore power cable. Nice perk for this power station that you can use both for your RV and at home!

With features like these, it’s no wonder that the EcoFlow DELTA Pro has received such rave reviews from satisfied customers!

The all-in-one solar generator system (solar is optional) for RV and off-grid living is available also with a lower capacity and can be adapted to your power needs. You will even be able to run the air conditioner for the entire day just on this! Click the button below and check out this beautiful portable lithium power station for RV.


  • High power capacity (300 Ah)
  • Expandable ecosystem
  • Smart energy management
  • Portable and Silent
  • Fast charging speed
  • Weather-resistant
  • Complete stand-alone solar solution
  • Integrated 3.6kW inverter
  • Recharging from AC, solar, EV charging station


  • A bit heavy and bulky

If instead, you need a smaller portable battery, then EcoFlow has you covered as well. Click the button below to discover the EcoFlow DELTA 2 Max Portable Power Station.

With this, you have the benefit of a complete and modular portable battery system with an integrated inverter, controller, and all sorts of power outlets, including AC for your appliances!

Best PORTABLE Power Station (Lithium) for RV Solar

EcoFlow Delta 2 Max – 2400W

ecoflow delta 2 max

★★★★★ 4.3

My Review: ★★★★★ 4.6read my review

3. LiTime MINI Lithium Battery

BUDGET Lithium Batteries For RV

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★★★★★ 4.6

Say goodbye to bulky energy sources thanks to the LiTime 12V 100Ah MINI LiFePO4 Lithium Battery. It’s 35% smaller and 10% lighter than previous models, yet it still provides an impressive 1280Wh of energy storage.

This upgraded version makes it the perfect choice for people looking for a highly portable, yet robust and dependable power source for their outdoor adventures. It’s ideal for use on RVs, solar panels, and trolling motors.

Equipped with upgraded BMS (battery management system), this battery delivers top-tier stability and performance you can count on during every cycle. Don’t worry about rough waters or extreme temperatures. Its IP65 waterproof housing and optimized internal layout provide maximum protection from harsh weather conditions.

Also, with an operating temperature range of -4°F to 140°F, this battery is always ready for your next adventure.

With its 10-year lifespan, this battery is built to last and has an impressive energy cycle. It is the perfect choice for those who are always on the move or those who require a long-lasting power source for their outdoor equipment. Check it out!


  • Affordable
  • Compact Size
  • Lightweight (19lbs)
  • Powerful (1280Wh)
  • Capacity: 100Ah
  • Upgraded BMS
  • Waterproof (IP65)
  • Suitable for outdoor activities
  • 10 Year Warranty
  • Available: 12V, 24V, 48V


  • High upfront cost (but more affordable than others)
  • Not a premium brand

4. LOSSIGY LiFePO4 Lithium Battery

GOOD VALUE Lithium RV Batteries

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★★★★★ 4.5

RVers looking for a good value lithium battery option should consider the Lossigy 12V 200Ah model. With its large capacity and built-in battery management system, it can offer ample power for boondocking and off-grid camping situations. At under 50 pounds, it’s much easier to install and remove than bulky lead-acid batteries.

User reviews highlight the battery’s strong performance over the first year or two of heavy usage. While it may not have the premium name brand recognition of some competitors, this battery delivers tremendous value for RV applications at its price point.

The Lossigy battery is well-suited for solar charging, which makes it very convenient for RVs. Lithium iron phosphate chemistry can handle thousands more recharge cycles than lead-acid, so RV owners can count on years of service with minimal maintenance.

The battery also charges faster than lead-acid, reaching full capacity at lower voltages. This allows modestly sized solar panels to effectively keep it topped off.

Owners do report the need for insulation or battery warmers in freezing conditions. But overall, with proper setup, the Lossigy battery can provide consistent, trouble-free power while off-grid.

For most RV needs, this battery offers huge off-grid power potential at an affordable price point.


  • Large capacity from 100 to 400 Ah
  • Lightweight
  • 4000 cycles
  • Fast solar charging
  • Good reviews
  • Budget friendly
  • 5 Year warranty


  • No extreme cold operation
  • Shorter warranty
  • Less known brand

5. WEIZE LiFePO4 Lithium Battery

2nd BUDGET Lithium RV Batteries

Only 329$

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★★★★★ 4.4

Would you like to upgrade to lithium batteries but you are on a tight budget? Upgrade to the WEIZE LiFePO4 Lithium Battery! It’s one of the most affordable lithium solutions for RV.

It has an outstanding lifespan of 2000 cycles at 100% and 8000 cycles at 50% depth of discharge, making it last at least 4-5 times longer than traditional batteries. However, this falls short by about 1000 deep cycles compared to our best lithium battery pick.

It features a built-in Battery Management System that protects the battery from overcharging, high and low temperatures, over-discharging, and short-circuiting.

Compared to heavy and bulky lead-acid batteries, the WEIZE battery is lightweight and versatile, making it easy to carry and install. Use it for a variety of applications, such as fish finders, camping, ice fishing, solar systems, home alarm systems, and e-scooters. Besides, it’s eco-friendly with no hazardous fluids, making it safe to mount in any position without worrying about spillage.

The WEIZE 12V 100AH LiFePO4 Lithium Battery is that it’s maintenance-free. With its long lifespan of over 10 years, you won’t have to bear the hassle and cost of replacing your battery frequently.

People also appreciate its cold weather protection that ensures optimal performance even in frigid temperatures.

With a 10-year warranty, you can rely on the WEIZE battery to power your devices and systems for years to come, without worrying about battery failure or damage.

With this battery you get an extremely cheap lithium RV battery solution, however, some customers were not happy with the build quality and customer service.

Upgrade your power source to the WEIZE 12V 100AH LiFePO4 Lithium Battery and enjoy its many benefits for your RV solar system.


  • Long lifespan
  • Lightweight
  • Maintenance-free
  • Built-in BMS
  • Cold weather protection
  • Eco-friendly
  • 10 Year Warranty


  • High upfront cost (but more affordable than others)
  • 1000 deep cycles less than our top pick
  • Build quality may vary
  • Some customers experienced a poor customer service

Lithium RV Batteries Overview

lithium rv batteries overview

Lithium RV batteries, powered by lithium-ion technology, are an exceptional choice for RV enthusiasts seeking reliable and efficient power solutions. These rechargeable 12-volt batteries have gained popularity as a superior alternative to lead-acid batteries, especially among RVers who frequently venture off the grid or rely on solar power.

Lithium RV batteries provide several advantages over other battery types, making them the preferred choice for many RVers. Here are some key benefits:

  1. Longevity: As mentioned earlier, lithium RV batteries have a significantly longer lifespan compared to lead-acid batteries. This durability not only saves you money on frequent replacements but also provides peace of mind knowing that your battery will last for extended periods.
  2. Improved Efficiency: Lithium batteries offer higher energy density, allowing them to store and deliver power more efficiently. This increased efficiency translates to better overall performance and longer run times for your RV appliances and systems.
  3. Lightweight and Compact: Lithium RV batteries are considerably lighter and more compact than lead-acid batteries, resulting in reduced overall vehicle weight. This weight reduction can contribute to improved fuel efficiency and a smoother, more comfortable ride.
  4. Rapid Charging: Lithium batteries have a fast charging capability, allowing you to quickly recharge your battery when connected to a reliable power source. This feature is especially beneficial for RVers who prefer shorter charging times and the flexibility to hit the road sooner.
  5. Deep Discharge Capacity: Lithium batteries can be discharged more deeply without causing damage or compromising their overall performance. This flexibility allows you to make the most of your battery’s energy reserves, providing extended usage during off-grid adventures.

Lithium RV Battery Types

When exploring lithium RV batteries, you’ll discover a range of options to meet your specific power needs. Understanding the available varieties will help you make an informed decision. Common types of lithium RV batteries include:

  1. Lithium Iron Phosphate (LiFePO4): Known for their exceptional safety and long cycle life, LiFePO4 batteries are a popular choice for RVers. They provide reliable power output, resist self-discharge, and have a wide temperature range, making them suitable for various climates. Thanks to their features and performance, those are the most popular batteries for RVs.
  2. Lithium Nickel Cobalt Aluminum Oxide (NCA): NCA batteries offer high energy density and long lifespan. They are lightweight, provide excellent performance, and are often used in electric vehicles due to their ability to deliver high power output.
  3. Lithium Nickel Manganese Cobalt Oxide (NMC): NMC batteries strike a balance between energy density, power output, and lifespan. They are versatile and commonly used in various applications, including RVs, due to their excellent performance and relatively affordable cost.
  4. Lithium Titanate Oxide (Li4Ti5O12): This unique variety provides unbeatable stability and a longer lifespan. Its remarkable fast-charging capabilities and ability to endure numerous charge cycles make it a winner in terms of longevity.
  5. Lithium Polymer (Li-Po): If you prioritize space-saving and lightweight options, then the Li-Po batteries are the way to go. Their slim design and flexible nature make them a great fit for smaller RVs and campers.

Choosing the best lithium batteries for RV

Choosing the right lithium RV battery depends on several factors, including your power requirements, available space, and budget. Consider the following when selecting a battery:

  1. Power Capacity: Assess your energy needs based on the appliances and systems you plan to power with the battery. Determine the appropriate capacity to ensure sufficient power supply without overloading the battery.
  2. Physical Size: Measure the available space in your RV’s battery compartment to ensure the selected battery fits properly.
  3. Budget: Evaluate the cost of different lithium RV batteries while considering their long-term value. Remember that although lithium batteries have a higher upfront cost, their extended lifespan can make them more cost-effective over time.
  4. Manufacturer’s Reputation: Research reputable brands that offer high-quality lithium RV batteries. Look for customer reviews and testimonials to gauge customer satisfaction and reliability.

Lithium vs AGM Batteries for RV Solar

RV solar systems require reliable and efficient batteries to power your RV off-grid adventures. Lithium RV batteries have become the best option for solar due to their impressive performance. They offer a higher energy density and a longer lifespan compared to traditional lead-acid batteries. Lithium batteries are also considerably lighter, making them easier to install and transport. Additionally, they can be charged at a much faster rate, reducing wait times and increasing your time on the road. Overall, utilizing lithium RV batteries with your generator or solar system can provide a more efficient and enjoyable experience for your off-grid travels.

LITHIUM RV batteries pros and cons VS lead acid batteries:

CapacityHigh energy densityLow energy density: storing less energy in the same space
LifespanLonger lasting: 10 yearsShorter lifespan: 2-4 years
WeightLighter: up to 70% less weightHeavier
Charging TimeFaster chargingSlow charging
MaintenanceLess maintenanceRequires more maintenance if FLA
Cost for 100Ah300-1100$200-350$
PerformanceHigh DOD (Depth Of Discharge): more than 95%Low DOD (Depth Of Discharge): you can use only about 50% of the stored energy
Lithium vs Lead-Acid AGM batteries for RVs

Overall, lithium-ion batteries have a higher energy density, longer lifespan, faster charging time, lighter weight, lower maintenance requirements, and are better under heavy loads. However, they are more expensive.

Lead-acid batteries have a lower capacity, shorter lifespan, heavier weight, and lower performance but are less expensive and might require periodic maintenance.

Pricing for Lithium RV Batteries

When it comes to purchasing lithium RV batteries, the cost is often a major consideration for buyers. It’s true that lithium batteries tend to be more expensive upfront compared to traditional lead-acid batteries. However, it’s important to look beyond the initial price tag and consider the long-term benefits and cost savings that lithium batteries offer.

The Average Price Range for Lithium RV Batteries

The average price range for lithium RV batteries can vary depending on the brand, capacity, and other factors. On average, you can expect to pay anywhere from $500 to $2000 for a quality lithium RV battery. Of course, there are premium options available that can exceed this price range, but they usually come with additional features and higher capacity.

But why are lithium batteries so expensive? Well, in truth, if you consider the entire lifespan of the batteries, they aren’t more expensive. Read on!

Given the typical price range, it’s not surprising that some RV enthusiasts may feel reluctant to make the leap into purchasing a lithium battery. However, it is important to ponder the extensive advantages and value that lithium batteries bring.

While the initial expense may be higher, lithium RV batteries have the potential to endure up to ten times longer than their lead-acid counterparts. This signifies that during the lifespan of a lithium battery, you may find yourself requiring the replacement of numerous lead-acid batteries, ultimately rendering the initial investment in lithium batteries more economical in the long run.

Additionally, lithium batteries provide other advantages such as faster charging times, higher energy density, and a lightweight design. These features can further enhance the value of lithium RV batteries and make them a worthwhile investment for RVers who demand reliable and efficient power storage.

Understand What Factors Influence the Price of Lithium RV Batteries

Several factors influence the price of lithium RV batteries. These factors include battery capacity, brand reputation, and additional features such as built-in battery management systems. Higher capacity batteries and well-known brands tend to come with a higher price tag.

It’s important to consider your specific power needs and the capacity requirements of your RV when determining the price range for lithium batteries. If you only require a lower capacity battery for occasional weekend trips, you can expect to find more budget-friendly options. On the other hand, if you have higher power demands or require extended periods of off-grid power, investing in a higher capacity lithium battery may be necessary, albeit at a higher cost.

Leading Brands and Producers of Lithium RV Batteries

When it comes to purchasing a lithium RV battery, it’s crucial to choose a trustworthy brand that offers reliable and high-quality products. There are several leading brands and producers in the market that have established a reputation for delivering top-notch lithium RV batteries.

Some well-known brands in the industry include Renogy, Battle Born Batteries, Relion, and Lion Energy. These brands have been recognized for their commitment to quality, performance, and customer satisfaction. By choosing a reputable brand, you can have peace of mind knowing that you are investing in a lithium RV battery that has undergone rigorous testing and meets the highest industry standards.

However, this doesn’t mean that other brands can’t offer good lithium batteries. For example, in the above lithium RV batteries selection, I mention a few less-known brands. Those can offer viable options for people that are on a budget. Those would still offer better value compared to lead acid batteries in my opinion.

Installing and Maintaining Lithium RV Batteries

Installation Best Practices for Lithium RV Batteries

When it comes to installing lithium RV batteries, unless you choose a portable power station or off-grid solar generator, there are a few best practices to keep in mind. While some experienced RVers with electrical expertise may be comfortable with a DIY installation, it is generally recommended to have the system installed by professionals, especially if you plan to incorporate solar panels, solar controllers, and inverters into the setup.

Installing a lithium battery bank and a battery management system requires technical proficiency to ensure proper wiring connections and system integration. Improper installation can lead to inefficiencies, safety hazards, and even damage to your RV or the batteries themselves. By working with professionals, you can have peace of mind knowing that your lithium RV battery system is installed correctly and functions optimally.

If you do decide to tackle the installation yourself, be sure to follow the manufacturer’s instructions carefully and double-check all connections. It’s also a good idea to have a thorough understanding of electrical systems and safety measures. When in doubt, consult with an expert.

Maintaining your Lithium RV Battery for Optimal Performance and Longer Life

While these batteries are known for their durability, a little maintenance can go a long way in maximizing their lifespan.

First and foremost, it’s important to avoid overcharging or discharging your lithium RV battery. Most lithium batteries come with a built-in battery management system that helps regulate charging and discharging. However, it’s still a good idea to monitor your battery’s voltage regularly and avoid extreme levels. If you plan to store your RV for an extended period, make sure to fully charge the battery before doing so.

Additionally, it’s crucial to avoid exposing your lithium RV battery to extreme temperatures. Extreme heat or cold can negatively impact battery performance and lifespan. If possible, store your RV in a temperature-controlled environment or invest in insulation for your battery compartment.

Regularly inspecting and cleaning your battery terminals is another important maintenance task. Corrosion and dirt on the terminals can hinder the battery’s performance. Clean the terminals using a solution of baking soda and water, and make sure they are tightened securely.

Lastly, it’s essential to follow the manufacturer’s recommended maintenance schedule. This may include periodic equalization charging or other specific procedures. By staying on top of maintenance tasks and following the manufacturer’s guidelines, you can ensure that your lithium RV battery operates at its best for years to come.


In conclusion, when it comes to powering your RV and maximizing your off-grid adventures, the best lithium RV batteries are the crème de la crème. These lightweight powerhouses of energy storage not only boast an impressive lifespan, but they also won’t weigh you down like their lead-acid competitors. Say goodbye to lugging around heavy batteries and hello to more freedom and convenience on the road.

No more worries about running out of power when you’re off in the wilderness or relying on a solar-powered setup. With lithium RV batteries, you can rest easy knowing that you have a reliable and efficient energy source right at your fingertips. So, why settle for less when you can have the best? Invest in lithium RV batteries and experience the advantages firsthand. Your RV adventures will never be the same again.

If you also own a boat, then you may be interested in getting a battery that can work well in the marine environment. Here are the best lithium marine batteries that you can use on your boat as well as on your RV!

About The AuthorSimon
Hey there! I'm Simon, an entrepreneur and engineer with 15+ years turning ideas into reality, including senior roles in the automotive industry (Formula 1). Drawing from my expertise, I write insightful guides empowering readers to transform their lifestyles through efficiency, innovation and green tech. From renewable energy to hybrid and electric vehicles, sustainable living to gardening, boating to RVing - I cover it all! My aim is helping readers embrace emerging tech to find new, sustainable solutions.