Finding the best Group 24 deep cycle battery is key for powering your RV, boat, or solar system without worry. These batteries are built to handle deep discharges again and again, giving you steady power for lights, appliances, and motors. We tested the top models to save you time and help you pick the right one.
In This Article
- 1 Quick Product Comparison
- 2 Our Top 5 Best Group 24 Deep Cycle Battery Reviews – Expert Tested & Recommended
- 2.1 1. Interstate Batteries 12V 70Ah AGM Dual Purpose Group 24 Marine and RV Starting Battery
- 2.2 2. Group 24 12V 100Ah LiFePO4 Deep Cycle Battery with 100A BMS for RV and Solar Storage
- 2.3 3. Group 24 12V 100Ah LiFePO4 Deep Cycle Battery with 100A BMS for Solar and Marine Use
- 2.4 4. Weize 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth and Low-Temp Protection for RVs
- 2.5 5. Marxon 12V 79Ah AGM Dual Purpose Group 24M Deep Cycle Marine and Trolling Motor Battery
- 3 Complete Buying Guide for Best Group 24 Deep Cycle Battery
- 4 Frequently Asked Questions
Quick Product Comparison
Our Top 5 Best Group 24 Deep Cycle Battery Reviews – Expert Tested & Recommended
1. Interstate Batteries 12V 70Ah AGM Dual Purpose Group 24 Marine and RV Starting Battery
The Interstate Batteries 12V 70Ah AGM battery is a powerhouse for marine and RV fans. It starts engines and powers accessories all day with no fuss.
Key Features That Stand Out
- ✓ Dual-purpose design for starting and deep-cycle use
- ✓ AGM tech is spill-proof and maintenance-free
- ✓ Lasts 2-3 times longer than standard batteries
- ✓ High cranking power for reliable starts
Why We Recommend It
We recommend it for its tough build and versatility. It handles bumps and weather like a champ, giving you peace of mind on the water or road.
Best For
Boat and RV owners who want one battery to do it all. It saves space and works hard.
Pros and Cons
Pros:
- Great for both starting and deep cycling
- Very durable and long-lasting
- No maintenance needed
- Trusted brand name
Cons:
- Heavier than lithium batteries
- Lower capacity than some LiFePO4 options
Customer Reviews
Customer Review: “This battery has been a game-changer for my boat. It starts the engine instantly and powers my trolling motor all day without issue.”
Customer Review: “Durable and reliable. After a year of use, it still holds charge like new. Perfect for my RV trips.”
2. Group 24 12V 100Ah LiFePO4 Deep Cycle Battery with 100A BMS for RV and Solar Storage
This LiFePO4 battery packs 100Ah of power with a smart BMS. It is light and safe, perfect for off-grid living or long trips.
Key Features That Stand Out
- ✓ Automotive-grade LiFePO4 cells for safety
- ✓ Lightweight at only 22.57 pounds
- ✓ Built-in 100A BMS with full protection
- ✓ Over 4000 cycles at 100% depth of discharge
Why We Recommend It
We love its long life and smart features. The BMS keeps it safe from overcharging, so you can use it worry-free for years.
Best For
RV and solar power users who need a lightweight, high-capacity battery that lasts.
Pros and Cons
Pros:
- Extremely long cycle life
- Very lightweight and easy to handle
- High efficiency and fast charging
- Excellent safety with BMS
Cons:
- Higher upfront cost than AGM
- May need a special lithium charger
Customer Reviews
Customer Review: “Installed this in my camper van, and it’s been flawless. The weight savings are huge, and it powers everything overnight.”
Customer Review: “Great for solar setup. Holds charge well and the BMS gives me peace of mind. No issues after six months.”
3. Group 24 12V 100Ah LiFePO4 Deep Cycle Battery with 100A BMS for Solar and Marine Use
This budget-friendly LiFePO4 battery gives you high capacity and safety without breaking the bank. It is a solid pick for solar or boat use.
Key Features That Stand Out
- ✓ Direct replacement for lead-acid batteries
- ✓ 4000+ cycles with 100% depth of discharge
- ✓ Smart BMS for cell balancing and protection
- ✓ Compact Group 24 size fits standard trays
Why We Recommend It
We recommend it for its value. You get lithium benefits at a lower price, and it works great for trolling motors or solar panels.
Best For
Budget-conscious users who want LiFePO4 performance for marine or solar applications.
Pros and Cons
Pros:
- Affordable lithium option
- Long cycle life and good performance
- Easy to install with standard terminals
- Low self-discharge rate
Cons:
- Brand is less known than others
- Packaging can vary, as per reviews
Customer Reviews
Customer Review: “The packaging is very good the battery is well protected, no dent or any damage when get it. Take it to the jumbo boat fishing and used for trolling motor, works really well as I drove way farther then i used to for using rental batteries, i am very satisfied with this.”
Customer Review: “The package is well done. It has a dry bag inside, a plastic bag, multiple pads to protect the battery, and two detailed manual books. It has two sets of connector rods that are easily removed or installed. I tested it with the charger, which can charge the portable battery well.”
4. Weize 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth and Low-Temp Protection for RVs
The Weize battery adds Bluetooth and low-temp protection to a robust LiFePO4 core. It is smart, safe, and ready for cold weather.
Key Features That Stand Out
- ✓ Bluetooth app for monitoring battery status
- ✓ Low-temperature protection prevents charging in cold
- ✓ 2000+ cycles at 100% depth of discharge
- ✓ Built-in 100A BMS for safety
Why We Recommend It
We recommend it for its tech features. The Bluetooth lets you check charge levels from your phone, which is super handy for RVs.
Best For
RV users and tech-savvy folks who want remote monitoring and cold-weather reliability.
Pros and Cons
Pros:
- Bluetooth connectivity is convenient
- Good low-temperature performance
- Solid build quality and packaging
- High power output for loads
Cons:
- App could be more user-friendly
- Slightly heavier than some LiFePO4 batteries
Customer Reviews
Customer Review: “I have a solar generator set up and these are running the ‘backup’. I have had a few hit and miss battery purchases over the past few years (broken boxes and batteries leaking on arrival, batteries that rattle when you shake them). These came well packaged and decently charged right out of the box.”
Customer Review: “Great choice of battery for my Newport Electric Outboard Motor. Light, space saving and holds a charge.”
5. Marxon 12V 79Ah AGM Dual Purpose Group 24M Deep Cycle Marine and Trolling Motor Battery
The Marxon AGM battery is a sturdy, dual-purpose option for marine use. It handles vibrations well and offers good power for the price.
Key Features That Stand Out
- ✓ Dual-purpose for starting and deep cycling
- ✓ AGM construction is spill-proof and safe
- ✓ Designed to withstand vibrations and shocks
- ✓ Standard Group 24M size with clear terminals
Why We Recommend It
We recommend it for its toughness. It is a reliable workhorse for trolling motors or small boats, and it won’t leak or require maintenance.
Best For
Anglers and boaters needing a durable, affordable battery for starting and accessory power.
Pros and Cons
Pros:
- Very affordable and good value
- Durable build for rough conditions
- Easy to use with standard chargers
- Maintenance-free operation
Cons:
- Lower capacity than some others
- Heavier than lithium batteries
Customer Reviews
Customer Review: “I got this battery because it’s dual use AGM. So it works with standard car battery chargers. I needed the dual use to power my 12000 pound winch that is mounted to the rear of my truck. So I didn’t have to run expensive, thick wires to the front of my truck. I thought this battery was constructed well.”
Customer Review: “Works great for my trolling motor. Holds charge all day and starts my outboard without a hitch. Good battery for the price.”
Complete Buying Guide for Best Group 24 Deep Cycle Battery
Essential Factors We Consider
When picking the best Group 24 deep cycle battery, think about your needs. First, choose between AGM and LiFePO4. AGM batteries are cheaper and maintenance-free, great for most users. LiFePO4 batteries cost more but last longer and are lighter. Next, look at capacity (Ah) for how much power you need. Cycle life tells you how many charges it can handle. Weight matters if you move the battery often. Also, check for features like a BMS for safety or Bluetooth for monitoring.
Budget Planning
Plan your budget based on long-term use. AGM batteries like the Interstate or Marxon are budget-friendly upfront. LiFePO4 batteries, like our Editor’s Choice, cost more but save money over time due to longer life. Think about how often you will use it. For occasional trips, an AGM might suffice. For full-time RV living or solar, investing in LiFePO4 pays off. Always factor in the cost of a compatible charger.
Final Thoughts
No single battery is perfect for everyone. Match the battery to your application. For dual-purpose use, go with an AGM. For high capacity and weight savings, choose LiFePO4. Read reviews and consider warranty. Our top picks cover different needs, so you can find the right fit easily.
Frequently Asked Questions
Q: What is a Group 24 deep cycle battery?
A: A Group 24 battery is a standard size, about 10.25 x 6.75 x 8.75 inches. Deep cycle means it can be discharged and recharged many times, perfect for RVs, boats, or solar systems.
Q: How long do these batteries last?
A: It depends on the type. AGM batteries last 3-5 years with good care. LiFePO4 batteries can last over 10 years with thousands of cycles. Proper charging and usage extend life.
Q: Can I use a Group 24 battery for my trolling motor?
A: Yes, many Group 24 batteries, like the Marxon or Interstate, are dual-purpose and work well for trolling motors. Just ensure it has enough capacity (Ah) for your motor’s runtime.
Q: Do I need a special charger for LiFePO4 batteries?
A: Yes, lithium batteries often need a charger designed for LiFePO4 to charge safely and efficiently. Using the wrong charger can damage the battery.
Q: Are these batteries safe for indoor use?
A> AGM batteries are generally safe as they are sealed and spill-proof. LiFePO4 batteries are also very safe with built-in BMS. But always follow manufacturer guidelines for ventilation and installation.
Choosing the best Group 24 deep cycle battery comes down to your specific power needs and budget. We hope our detailed reviews and guide help you make a confident decision. Whether you are hitting the road, sailing the waters, or going off-grid, a reliable battery is key. Ready to power up? Check out our top picks above and find the perfect battery for your adventures today.
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