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What Battery is Best for Travel Trailer?

08/01/2025

Travel trailers have become a popular choice for adventurers seeking freedom and comfort on the road. However, one critical aspect of travel trailer ownership is ensuring that you have the right battery to power your adventures. In this guide, we’ll discuss the types and sizes of travel trailer batteries and help you choose the best travel trailer battery for your need.

Types of Travel Trailer Batteries

You need a deep cycle battery for your travel trailer. Unlike starting batteries, these are designed to deliver a steady flow of power over an extended period and can handle repeated charging and discharging, making them the best choice for your travel trailer's needs.

Deep cycle batteries for travel trailer can be classified into two main types: lead-acid batteries and lithium batteries.

Lead-Acid Batteries

Lead-acid batteries are the traditional choice for travel trailers. They are widely available and relatively inexpensive, including flooded lead-acid batteries, AGM, and Gel batteries. However, they have a shorter lifespan and lower efficiency.

Lithium (LiFePO4) Batteries

Lithium batteries are the modern choice and best batteries for travel trailer, offering superior performance and reliability. They are lightweight and compact, have a longer lifespan of 4,000+ cycles, and are maintenance-free with faster charging times.

What Kind of Travel Trailer Battery Do I Need?

Batteries type depends on what you’ll be using them for. Lead-acid batteries are a practical choice for budget-conscious travelers and RVers who take occasional short trips. Lithium batteries are the perfect solution for frequent adventurers who embark on long journeys or enjoy dry camping and boondocking.

Travel Trailer Batteries Sizes

RV batteries for travel trailers come in various sizes, often referred to by "Group Numbers." These numbers are set by the Battery Council International (BCI) and define the physical dimensions, capacity, and performance of a battery. Here are some of the most common sizes of travel trailer batteries you'll encounter:

Group 24 size Battery: Typically used in smaller RVs and travel trailers. These batteries have a capacity of around 70-85 amp hours (Ah) and are suitable for light to moderate power needs. Redodo provides high-performance Group 24 battery with 100Ah of capacity.

group 24 travel trailer battery

Group 27 Battery: A popular choice for mid-sized trailers, offering a capacity of 85-105 Ah. They provide a good balance of size and power for most RVers.

Group 31 Battery: Ideal for larger travel trailers or those with higher power demands. These batteries have a capacity of 100-125 Ah and can handle more extensive power requirements.

6-Volt Batteries: Often used in pairs to provide 12 volts. These batteries are known for their durability and high capacity (around 200-225 Ah when used in pairs).

Group 4D and 8D Battery: Larger batteries with higher capacities, typically used for commercial or heavy-duty applications. They offer a capacity of 200-300 Ah but are quite heavy and bulky.

How to Choose the Right Size for My Travel Trailer?

  • Energy Needs: Calculate your daily power usage to determine the required amp-hour capacity.
  • Space Availability: Ensure the battery fits within your travel trailer’s designated battery compartment.
  • Weight Considerations: Lithium batteries are significantly lighter than lead-acid batteries of the same capacity, making them a great choice for reducing your trailer’s weight.

Pro Tip: For most travel trailers, a Group 31 lithium battery is the ideal size, offering ample capacity without taking up excessive space. For higher energy demands, consider upgrading to multiple lithium batteries connected in parallel for increased capacity.

Read More: Group 24 VS Group 31 Battery

Top Picks for the Best Travel Trailer Batteries

Redodo offers a range of LiFePO4 batteries for travel trailer, with exceptional performance, reliability, and value. Each battery is designed to meet specific needs, ensuring there's a perfect option for every type of traveler.

1. Redodo 12V 140Ah Group 31 Lithium Bluetooth Battery

Best for High Capacity and Long Trips

  • Capacity: With 140Ah, this battery offers extended runtime, making it ideal for long trips or large RV appliances like coffee makers, electric griddles, and other electronics simultaneously.
  • Group 31 size: With the ideal Group 31 size, the battery offers 40% more capacity without taking up extra space compared to traditional lead-acid batteries.
  • Lightweight: Weighs significantly less than lead-acid batteries of similar capacity, reducing the overall weight of your travel trailer.
  • Durability: Built with premium-grade LiFePO4 cells, it boasts over 4,000 cycles for a longer lifespan compared to traditional lead-acid batteries.

group 31 lithium battery for travel trailer

best 140ah group 31 battery
Redodo 12V 140Ah Group 31 Bluetooth Lithium Battery $279.99 Shop Now

2. Redodo 12V 100Ah Group 31 Bluetooth Lithium Battery

Best for Versatility and All-Around Performance

  • Capacity: A balance between power and size, this 100Ah battery is versatile and suitable for most travel trailer setups.
  • Compact Design: Designed to fit Group 31 battery compartments, it’s an excellent upgrade for those switching from lead-acid batteries.
  • Long-Lasting: Delivers over 4,000 cycles at 100% DOD, ensuring reliable performance for years.
  • Cost-Effective: While slightly smaller in capacity than the 140Ah model, it offers great value for travelers who need a dependable battery for moderate energy demands.
Group 31 Lithium Bluetooth Battery
Redodo Group 31 Bluetooth Lithium Battery $209.99 Shop Now

3. Redodo 12V 100Ah Group 24 Bluetooth Battery

Best for Remote Monitoring

  • Bluetooth Functionality: Equipped with Bluetooth 5.0, allowing you to monitor battery performance in real-time via the Redodo App. Check parameters such as capacity, voltage, cycle count, and temperature from your phone.
  • Compact Size: Designed for Group 24 battery compartments, it’s perfect for small travel trailers with limited battery space.
  • High Performance: Provides the same reliable power and long lifespan as other Redodo lithium batteries, with the added convenience of remote control.
group 24 bluetooth battery
Redodo 12V 100Ah Group 24 Bluetooth Battery $199.99 Shop Now

4. Redodo Best Budget 12V 100Ah Lithium Battery

Best for Budget-Conscious Travelers

  • Affordable Price: Delivers reliable performance at a cost-effective price point, making it a great alternative for those on a budget for lead-acid batteries.
  • Reliable Power: Offers 100Ah of capacity, enough to power essential devices during short or occasional trips.
  • Long Lifespan: Like all Redodo lithium batteries, it provides over 4,000 cycles, making it a smarter long-term investment compared to lead-acid options.
  • Lightweight and Compact: 1/3 lighter than the 12V 100Ah AGM. Easier to handle and install, saving weight and space in your travel trailer.

best budget 100Ah lithium battery

Redodo Best Budget 12V 100Ah Lithium Battery
Redodo Best Budget 12V 100Ah Lithium Battery $179.99 Shop Now

5. Redodo 12V 100Ah Group 24 Deep Cycle Battery

Best for Compact and High-Tech Applications

  • Compact Design: Perfectly sized for Group 24 compartments, this battery is ideal for smaller travel trailers or setups with limited storage space.
  • Durable Build: Uses grade-A LiFePO4 cells for stable and consistent performance, even under heavy loads.
  • Maintenance-Free: No need to worry about adding water or frequent checks, making it a hassle-free option.
Redodo Group 24 Deep Cycle Battery
Redodo 12V 100Ah Group 24 Deep Cycle Battery $179.99 Shop Now

6. Redodo 12V 100Ah Mini Bluetooth Battery

Best for Space-Saving Solutions

  • Ultra-Compact: The mini design makes it one of the smallest 100Ah lithium batteries available, perfect for tight spaces or lightweight builds.
  • Bluetooth Monitoring: Features built-in Bluetooth connectivity for real-time monitoring through your smartphone, adding convenience to its compact design.
  • Long Cycle Life: Despite its small size, it delivers the same 100Ah capacity and 4,000+ cycles as larger batteries, ensuring long-lasting performance.
small 12V lithium ion battery
Redodo 12V 100Ah Mini Bluetooth LiFePO4 Battery $249.99 Shop Now

Conclusion

Choosing the best travel trailer battery is essential for a reliable and enjoyable camping experience. While there are various options available, lithium batteries stand out as the best batteries for travel trailers due to their superior performance, lightweight design, and longevity. When selecting a battery, consider your travel trailer’s energy needs and prioritize quality and efficiency.

For those looking for dependable options, Redodo’s lithium batteries provide excellent value and are perfect for both beginners and seasoned travelers. Upgrade your travel trailer with a high-performance battery today and enjoy worry-free adventures on the road!


Read More:

Best Group 31 Deep Cycle Battery Review

6 Top RV Battery Recommendations

How Many Batteries Do I Need in My RV?

RV Battery Maintenance Checklist for Long-lasting

What Battery is Best for Travel Trailer?

Redodo

Redodo is an innovative brand specializing in LiFePO4 (Lithium iron phosphate) batteries for outdoor adventures, aiming to provide efficient and cost-effective outdoor energy solutions while ensuring a great user experience.
Prev Post Next Post
What Battery is Best for Travel Trailer?

Redodo

Redodo is an innovative brand specializing in LiFePO4 (Lithium iron phosphate) batteries for outdoor adventures, aiming to provide efficient and cost-effective outdoor energy solutions while ensuring a great user experience.

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