RV Batteries

Why choose Diypow RV LiFePO4 Batteries?

Our Diypow deep cycle RV batteries are created with the highest quality materials and assembly. These are no doubt, peak-performance batteries, built for the long haul:

1. Enjoy long-lasting batteries that are 50% lighter, built-in Bluetooth monitoring, and require NO maintenance

2. Explore longer & go farther with Ionic lithium batteries backed by an industry best 10 year warranty

3. Take your RV system to the next level with lithium RV batteries.

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Diypow 12V 120AH  Drop-In SLA Replacement Deep Cycle LiFePO4 Battery Pack

Diypow 12V 120AH Drop-In SLA Replacement Deep Cycle LiFePO4 Battery Pack

$469.99 USD$499.99 USD
Meet the 120 Ah 12 volt deep cycle battery, the pinnacle of deep cycle lithium-ion battery technology! Our 120 amp hour, 12-volt battery weighs only 30.8 pounds and is capable...
Diypow 48V 100AH Drop-In SLA Replacement Deep Cycle LiFePO4 Battery Pack

Diypow 48V 100AH Drop-In SLA Replacement Deep Cycle LiFePO4 Battery Pack

$1,329.99 USD$1,359.99 USD
This 48V (Volt) LiFePO4 battery is a tough product from Diypow that will help double the run time of your golf cart or electric cart, while lasting 4 times longer and...
Diypow 12V 100AH Deep Cycle LiFePO4 Battery Pack | 1.28kWh & 1.28kW

Diypow 12V 100AH Deep Cycle LiFePO4 Battery Pack | 1.28kWh & 1.28kW

$419.99 USD$449.99 USD
Built Diypow tough, this 12 volt lithium battery packs a big punch. Using lithium iron phosphate (LiFePO4) technology, this battery delivers twice the power, half the weight and four times...
Diypow 12V 300AH Deep Cycle LiFePO4 Battery Pack | 3.84kWh & 3.84kW

Diypow 12V 300AH Deep Cycle LiFePO4 Battery Pack | 3.84kWh & 3.84kW

$989.99 USD$1,019.99 USD
Built Diypow tough, this 12 volt lithium battery packs a big punch. Using lithium iron phosphate (LiFePO4) technology, this battery delivers twice the power, half the weight, and four times...
Diypow 12V 200AH Deep Cycle LiFePO4 Battery Pack | 2.56kWh & 1.28kW

Diypow 12V 200AH Deep Cycle LiFePO4 Battery Pack | 2.56kWh & 1.28kW

$719.99 USD$749.99 USD
Built Diypow tough, this 12 volt lithium battery packs a big punch. Using lithium iron phosphate (LiFePO4) technology, this battery delivers twice the power, half the weight and four times...
Diypow 36V 60AH  Drop-In SLA Replacement Deep Cycle LiFePO4 Battery Pack

Diypow 36V 60AH Drop-In SLA Replacement Deep Cycle LiFePO4 Battery Pack

$749.99 USD$779.99 USD
Diypow 36V Battery for Golf Cart Meet the 60 Ah 36 V lithium batteries for golf carts, the battery is half the weight of a lead-acid battery and can be...

Best Lithium Deep Cycle RV House Batteries

Have you ever thought about what you need most when you are driving your RV as a family and having a nice vacation in the countryside or at a beautiful lake? Undoubtedly, it would be to have enough electricity to cook a delicious meal by yourself. This is achievable.

In fact, it's all about installing a small photovoltaic system in your RV. All you need is one or two PV modules with PV inverters and batteries, and you have a perfect RV PV system. You can enjoy your vacation time at the lake with your family.

Speaking of batteries, we have to mention our lithium iron phosphate batteries. Our lithium batteries are perfectly matched with various RV systems and can store huge capacity for various appliances in the RV.

Are you looking for best RV battery? Hurry up to assemble your RV system, drive your RV and have a nice weekend trip.

More Application Scenarios

Diypow lithium battery

Trolling Motor

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Golf Cart

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The RV Batteries Technology Types

There’s four different technologies you can choose from. There’s the lead-acid battery, gel batteries, AGM batteries (Absorbed Glass Mat), and lithium batteries. Here’s the pros and cons of each:


These batteries are inexpensive for short periods of time and can be recharged many times. However, they are also easily damaged and must be constantly maintained to avoid problems. It is very important to check and replenish the water level every few weeks or you could damage your battery. In addition, leaks can cause damage to the marine environment and pose many safety issues.


These batteries do not require a lot of maintenance and rarely leak. However, the upfront cost is expensive, and if they do require maintenance overuse is difficult to achieve a balance of internal components. In all likelihood, you will only need to buy a brand new battery. They also require more battery charging because they can only be discharged to 50% , while Li-ion batteries can be put to maximum capacity.


Gel batteries are popular because they don't need to be charged as often and can be stored for long periods of time without losing their life. The downside to them is how expensive they are compared to other batteries that have the same RC and MCA. Charging gel batteries can also be an annoying process. The charge cycle can be very slow and you have to disconnect the battery charger in the field once it is done. Not doing so can cause irreversible damage and require a new battery and a whole lot of money down the drain.


Comparing lithium batteries to other batteries is like comparing an iPhone to a flip phone. Both options will work, but one clearly has better reliability, functionality and design. Lithium batteries save a lot of money over time, they last longer, last up to 10 years, are much lighter, maintenance-free, and non-toxic to the environment. Especially lithium-ion batteries. They are the only lithium deep cycle batteries on the market today that use Bluetooth technology. This eliminates any guesswork or worry. With our lithium batteries (unlike other batteries), you know exactly how much power is left.

Diypow Lithium RV Batteries


⭐Consistent Output

Most batteries on the market don't output as much current once they reach 50% of their battery life. This means that while you may have 50% of the battery remaining, the current is not very strong, so some of your accessories may stop working. In contrast, marine lithium batteries continue to output the same amount of current even when the battery life is below 50%. Not only that, but LiPo batteries can be completely depleted before they need to be recharged.

⭐Long Lasting

With ion lithium marine batteries, you need to pay more up front, but in the long run, these costs will save you a lot. Compared to lead-acid batteries, lithium marine batteries typically last 2 to 4 times longer (up to 10 times longer). Lead-acid batteries can usually be recharged 300 to 400 times. If you use it every day, this means it will last about a year. By comparison, our Diypow deep cycle lithium marine batteries are rated for 5000 cycles, which means they can be recharged 5000 times. If you use it every day, that's nearly 14 years of use. So while lithium marine batteries are initially more expensive, you're actually going to spend a lot less in the long run.

⭐1/3 Lighter Than Lead Acid Battery

For fishing boats, lightweight lithium batteries travel 1/4 mile more than boats using lead-acid batteries. In general, reducing the weight of the boat makes fishing easier. Diypow deep cycle lithium marine batteries are light weight, compact, fit in almost any boat, and won't weigh your boat down. You'll spend less money on gas and be able to drive better.

⭐6 Strong Protections

Our lithium batteries have a built-in BMS (Battery Management System) that provides protection against overcharge, overdischarge, low voltage, high voltage, short circuit and over temperature.

⭐Fast Charge

Our lithium battery provide 0.25C charge for standard and even 0.5C charge for customization. Lithium battery can be fully charged within 4 hours.

⭐Higher Discharge Rate

Our lithium batteries can provide a discharge rate of 1C, which is 5 times higher than lead-acid batteries. The higher discharge current can easily drive your device.

Diypow RV Batteries Buying Guide

When you overcharge or discharge a battery for longer than expected, the RV's battery system is likely to fail, a condition where the battery is unable to complete its cycle.

RVs use several types of batteries, including lead-acid batteries, AGM batteries and lithium-ion batteries, which are a combination of multiple batteries to meet the power needs of a recreational vehicle.

The life of an RV deep cycle battery depends on its use and other factors, such as when you charge the battery, how many hours you charge it, and how many hours you take the charger away. In this real life buying guide, I will explain to you everything related to RV lithium batteries.

  1. Are lithium batteries better for RVs?
  2. What kind of battery should you use in an RV?
  3. What types of RVs are there in the market?
  4. How do RV batteries work?
  5. What is the purpose of a 12-volt battery on an RV?
  6. How long do RV batteries normally last?
  7. Is there a difference between an RV battery and a car battery?
  8. Should I use parallel or series batteries for the RV?
  9. How do I know how many amps my RV needs?
  10. How many batteries do I need to run my RV AC?
  11. Should you take the battery out of your RV for the winter?
  12. How many batteries does an off-grid RV take?
  13. Do RV batteries charge while driving?
  14. Can an RV battery run the refrigerator?
  15. Can solar panels power RV AC?

1. Are lithium batteries better for RVs?

Simply put, yes, RV deep cycle batteries not only last much longer than lead-acid batteries, but they are also lighter. And, because they are more efficient, they recharge faster as well.

2. What kind of battery should you use in an RV?

In order to power the electronics of your travel trailer, you need a deep-cycle battery. Deep cycle batteries provide continuous power for long periods of time. Most travel trailers have one or more batteries. The battery provides power to your RV when there is no external power source. You are able to run different car appliances such as lights, water pumps, microwave ovens, etc.

The most commonly used is the 12V RV battery, but when you need more power, the following are also good options:

  • 12V RV battery
  • 24V RV battery
  • 36V RV battery
  • 48V RV battery

3. What types of RVs are there in the market?

There are many different types of RVs that can be purchased from the market, depending on size and specifications. Want to find the best RV batteries?

Below is a list of some of the RVs available.

RV batteries

Class A Diesel & Gas Motorhome RV's

Diesel motorhomes are mainly used for special tours when you visit specific areas where you need more engine power and greater energy to work with the motorhome equipment. These diesel motorhomes have more engine power and longer durability to run. When you talk about gas RVs, most of these come with better comfort and are also useful for long trips with different kinds of home accessories such as microwave ovens, refrigerators, washing machines, etc.

Class B RV

Class B motorhomes are smaller in size but very fast in terms of travel as well as camping purposes, if you want to explore different remote areas around the countryside then you can use this motorhome. There are some other types of towable RVs.

  • Camping fifth-wheel caravans
  • Toy hauler
  • Travel trailer RV
  • Teardrop RV

Class C RVThis motorhome is also used for camping purposes in different areas. Compared to other A-class motorhomes, this one is smaller in size.

rv batteries

4. How do RV batteries work?

rv batteries

When lithium ion rv batteries are installed with the engine, they act as starting batteries that provide an electrical spark to the RV engine to start the engine and these batteries are immediately charged with the help of the RV engine.

When you talk about deep cycle RV batteries, these batteries are usually used to run RV household appliances such as microwave ovens installed in RVs for cooking, refrigerators for storing different types of food and other necessary household appliances.

When a deep cycle battery is connected to an RV appliance, it acts as a powerhouse to provide the needed electrical power to the RV appliance.

5. What is the purpose of a 12-volt battery on an RV?

Your 12V battery system will power most of your basic systems, such as your lights and some household appliances. You will charge this battery system while plugged into shore power and utilize it while traveling or wilderness docking.

6. How long do RV batteries normally last?

A properly maintained deep-cycle battery should last 10 years or more. Unfortunately, some RV owners replace their batteries every year or two. Extending battery life is not difficult, it just requires some basic care and maintenance.

7. Is there a difference between an RV battery and a car battery?

RC is different. Deep cycle batteries have a higher RC and provide more sustained energy compared to regular batteries. Size. Deep cycle batteries are smaller and lighter than regular batteries, which is why they work so well in recreational vehicles.

8. Should I use parallel or series batteries for the RV?

For general marine boat and RV applications, parallel wired cells provide the easiest wiring and common voltage, however, for larger applications over 3000 watts, using higher voltage series may be best.

RV batteries

9. How do I know how many amps my RV needs?

Most RVers agree that 220 amp hours is enough to run some appliances and watch TV. However, this is not an absolute standard answer. How many amp hours you need depends on how many appliances you will be using, whether you will be carrying a generator for charging, and so on.

10. How many batteries do I need to run my RV AC?

A smaller and more efficient RV air conditioner will run for 4-12 hours on a 12V 300 amp hour Diypow lithium battery. Smaller air conditioners typically have a cooling capacity of 5,000-6,000 btUs and draw 40-80 amps at 12 volts.

11. Should you take the battery out of your RV for the winter?

When you store your RV during the off-season, you also need to remove your battery and keep it in a warm location. If you leave it in, the water in the battery may freeze when the temperature drops too low. This happens because the battery loses sulfuric acid when it is discharged and leaves water behind.

12. How many batteries does an off-grid RV take?

Most of your RV applications require 12V current, so you need two 12V batteries. If one of the 12V batteries goes bad, you don't have a usable power source. However, if two 12V batteries are connected and one does not work, you still have a usable 12V supply.

13. Do RV batteries charge while driving?

Most RVs have a second battery connected to the generator so that when you drive, the generator is automatically charged. This way, the second battery is always able to provide power to your appliances, lights and other electronics.

14. Can an RV battery run the refrigerator?

In short, yes. Because it uses entirely DC power, it doesn't need gas or AC power. In most cases, it is charged by rv deep cycle batteries, often by solar power. Best of all, it can be powered by the RV's alternator, which means a 12V RV fridge works while driving!

15. Can solar panels power RV AC?

The short answer is yes, you can use solar power alone to run your RV air conditioner. Solar panels convert sunlight into electricity, which you can use to power devices such as your air conditioner.

What Our Customer Say

Based on 29 reviews
NIce battery

More practical than a AGM lead battery for me. Much lighter (30 lbs). Can be discharged 100 % , compared to 50% on an Lead acid - so really equivalent to 200Amp-Hr (and then only 1/4 weight!).

Good battery for now

The vendor delivered the product sooner than expected and in great condition. Will use the battery to power a 12V 55Ibs trolling motor. So far, I am very happy with the product.

Double the power. Half the weight...!

EDIT: Tonight I cooked my dinner and used the oven for an hour and twenty minutes while I was watching TV with my mini PC on for streaming. This battery had more than enough juice to do all that with power left to spare.

I also have a 55 Quart 12V dual zone refrigerator and freezer connected and it runs 24 Hours a day.

This battery is incredibly powerful. It doubled my capacity and is half the weight. I also purchased the Diypow charger and am able to top it off in a very short time. I mainly purchased the setup for cooking while I'm on the road and I can use my 3-In-1 Galanz for about 40 minutes or so before I have to give it a little juice. My old setup used 4, 100 deep cycle batteries and didn't hold a candle to this Lifpo4 setup. I can definitely see myself getting a couple of these for our off-grid camp next spring. If you're in doubt, take the risk and go for it. You won't be disappointed. Almost forgot to mention that their customer service is outstanding. I did have several questions before I placed my order and they responded very quickly. I've been using this for about a month. Simply Great!

Only use these batteries if you know what your doing!

The Battery is rated at 50AH and on first discharge pulled 51AH down to 10.6 volts. Your getting the full rated capacity.
Its very light compared to the 45AH Lead Acid battery it is replacing.
No fumes or acid to deal with since this battery is inside the vehicle with people(trunk fender well to be exact)
LiFePo4 chemistry is a direct 12v Pb replacement.

Good price

Battery arrived early and after testing it and hooking it up, everything looks good. The seller emailed me after delivery to see if I had any concerns which was nice.

satisfactory for dry camping

Used with another same battery in a camper to get more days of service.

For my trolling motor on the beach

More power , light weight , charge lasts so much longer on my trolling Motor its amazing !!

Quality product and good customer service

I installed this in my 19ft RV connected to a 200w solar system and a 2000w invertor. So far works great, we're able to run the coffee maker, toaster and the 900w microwave in the morning. I may upgrade to 400w of solar to help speed up charging but so far it seems to be holding out really well. I've ordered a battery monitor to help manage the available power.

Excellent battery

I previously had a pouch cell 48v battery pack that lasted for about 1 year before it started holding less and less of a charge and started swelling. This battery has been excellent and seems to drain much slower that the pouch type battery packs. DIYPOW has excellent communication and shipping speed. The battery seems to be well made and came in well-cushioned packaging. I am using it on a 48v 1500w atv and it has no problem handling extended periods of max throttle. 5 star battery and company. Great battery and BMS for electric vehicles and I highly recommend it.

These batteries are exellent

These batteries are excellent so for. I purchased (4) 300Amp hour batteries.
They are 1/3 the weight of my old lead acid battues witch only lasts about 6 years.
I have them installed in series with a Schneider electric 4KW inverter:
They are also connected to a 15KW off-grid Generator (Generac).
If it has raining for days like it has been in Southern California, the 15KW off-grid Generator (Generac)
auto turns on to power up the potteries when they are lower than 50% capacity., So we are never with out power.
They batteries charge up many times quicker than my old lead acid batteries.
We have plenty off power with out 12 350 Watt solar panels.

very good battery, sooo happy convenient shipping, excellent product!

Works great for my diy solar system

Lithium battery for kayak trolling motor

Just because its an off brand, dont let it fool you. I use two of these to make 24v for my trolling motor for my kayak. Its an NK-180 motor. I run 14+ miles at 84% throttle! I had no issues, going on over a year now of frequent use. For trolling motors they work great. Im using a Noco two bank charger to charge them on the Lithium charger setting.

4 Pcs CATL 302AH Deep Cycle LiFePO4 Battery Cells
Karl Jensen
They look good and tested good.

The battery arrived intact and was one of the best matches of the 16 sets I encountered; voltage (0.003V Delta) and internal resistance (0.22 ohms - identical), most of the sides are flat with no swelling, and most importantly the soldered terminals have studs so you don't have to use tools to install the studs yourself. The bus bars are plated real copper, but I use 2/0 jumper diagonals to avoid straining the terminals. I will be doing a capacity test after the top is balanced and my expectations are very positive. nicole answered my questions and was very prompt in keeping in touch.

Update 4/19/23.
I did a quasi-capacity test and they far exceeded expectations. Conditions: 630 lbs compressed, top balanced. Running/starting at 56 volts (3.5 volts per section) and ending at 48 volts (3 volts per section). Loads ranged from 60 to 30 amps (normal house load) with two different meters showing results of 305 and 298 amp hours. Yes, there is more room at the top and bottom of the charge, which would allow for more capacity. Deltas are less than 0.008 at the flat of the curve during charging (60 amps) and discharging. less than 0.060v Delta at both ends. the balancer only starts working when each cell exceeds 3.4 volts. Float at 3.4 volts. Absorption/end charge 56.2 (3.512 volts per cell).

Great Quality

Put these in the RV. They have worked very well and we are happy to move away from our wet / lead acid batteries. Really liked the sturdy side post connectors for the wires hooking up to the batteries. Very sturdy.

I recommend 100%

I love this battery so far. I have it connected to a 36v minnkota trolling motor and I can have it on for 9-10 hours so far. Customer service is also A++

These are incredible batteries.

I have lived off grid solar for 33 years and these batteries (I have three) are great. With the help of a Diypow inverter I can now use a dishwasher, microwave, clothes washer and dryer and large tv all powered by the Sun. These batteries offer the greatest bang for the buck.

Arrived promptly

Arrived promptly & in excellent condition. Thanks!!!

Great LFP battery

I didn't rip it apart to check the BMS, but I've run it through a number of charge/discharge cycles now and it's been a champ. So far, so good. What is there to say? It acts like a 48V LFP battery pack.

One thing I will note, and this applies to all LiFePO4 (LFP) batteries, is that the BMS should always be viewed as a final fail-safe and not generally be relied on for over-volt and under-volt protection, because such protections may cause it to trip while current is flowing and that is never good for these FET power switches. It is always better to program your charge controllers with slightly lower voltage limits and always better to program other logic to shut equipment down when the battery is exhausted first, then "pull the plug" with a battery protect device, and make the breakers trip at slightly lower amperages, and not rely on the BMS in the battery itself pulling the plug for you. If you want your batteries to last, that is.

I will update the review after a few months of operation.

4 Pcs CATL 302AH Deep Cycle LiFePO4 Battery Cells
Very well matched set

The four cells are perfectly matched in voltage (<5mV variance). The vendor was very communicative during the international shipping crisis and got us the batteries as fast as was possible under the circumstances. Interesting that they fit perfectly in an Airstream Basecamp battery box with room for a BMS.

Very compact

Bought this to replace the same capacity AGM in my van conversion. Very compact and light weight compared to my 80lb AGM. Superior packaging and clearly written instructions. Arrived double boxed. Very impressed with the quality. Contacted the seller about charging and got an immediate response. Only time will tell if there is going to be an issue with the bms. Set my mppt solar controller to lithium and seems to be going the job charging to spec. Cant beat the price really, I paid almost this much for my AGM battery.

I'm loving the product

Although it took awhile for the battery to get to me I am very impressed with it. I put installed it into my 36 volt EZGO golf cart and it's terrific. Top speed hasn't changed much but acceleration has and I'm very surprised that I have played 36 holes and the volt meter has barely moved from from full without recharging. So far I would highly recommend it for a golf cart.

Trailer life

Excellent battery so far very happy survive the whole winter. Everything still working good first battery Ive had that actually last excellent battery perfect.

4 Pcs CATL 302AH Deep Cycle LiFePO4 Battery Cells
Don Owen
Good Cells

Ordered the 8 counts 310AH cells to set up a 24-volt system to a cargo trailer conversion. The shipping was very fast for me. Did a capacity test and got the full 310AH. After a couple of days of testing, I had a cell go bad. Howard help me troubleshoot the cell and we figure the cell did go bad. They then made things right without question and replace the cell at no cost to me. plan to order more in the future.

Does as advertised

I thought the BmS was faulty because it only charged to 52 volts. I decided to to test it anyway , so I charged it up to 52 volts let it sit overnight and tested it at its resting voltage of 49.8 volts this morning, I was so surprised to see the results, it stayed steady between 49 and 50 volt for hours as I was averaging around 6amps then it stayed between 48 and 49 volts for hours. I pulled 4KWH and it was still at 48.3 volts. Its a great battery , its well built has good dual positive and negative connections.

Perfect replacement for lead acid

Replaced two 58 Ah lead acid batteries with this 200Ah Diypow battery. I dont even plug trailer in anymore when Im home, its been 8 days now running 12 volt fridge and battery is still at 84%. Trailer has 1 -195 watt solar panel attached to roof and I have a 150 watt panel on a stand that I used to set up to help charge batteries, but I havent needed to use it with the new battery. So far I love this battery and May pick up a second one.