Best Deep Cycle Battery – Top 7 Our Reviews & Guides 2020

In solar energy systems, there are different batteries that we can use. It is proven that a deep cycle battery is the best one to go for. This is because they can retain energy in much longer periods. They are best used for solar panels’ energy storage. In this article, we will discuss the best deep cycle battery for you to know what fits your preference.

Top 7 Best Deep Cycle Batteries in The Market

1. Vmaxtanks 12V 125Ah Rechargeable Deep Cycle Battery

High-quality performance is what you will get from this deep cycle battery. Its advanced technology will allow you to charge it quickly without compromising its runtime. You’ll have a glimpse of how amazing to be functional without relying on grid power. It is expected that you can use it for a significant amount of time as it promises 8 to 10 years of usage. This makes it probably the best value deep cycle battery in the market right now.

Key Features + Pros:

  • Extremely Durable. It is made of the finest materials that is why it will not deteriorate easily even if it is exposed outdoors.
  • Warranty Included. There is a one year warranty that comes along with the package. This makes you protected in case there are defects with the item.
  • Efficient in Storing Energy. You do not have to worry anymore about the quick draining of stored energy. This is because this product has the latest technology to keep you going. This is great if you want to have a reliable battery for your solar panel.
  • Portable. It will not consume that much space making it perfect for areas with limited spaces.


  • It is a little bit pricey

2. Battle Born LiFePO4 Deep Cycle Battery 100Ah 12v

If you want a reliable battery that can be great storage of your solar energy then Battle Born has a treat for you. This is why this 100 amp/hr 12-volt deep cycle battery was created to provide you a more satisfying experience in using your solar panels. Some consider it the best AGM deep cycle battery because of its ability to acquire and retain solar power efficiently. Let’s try to discuss more of it by enumerating its features and advantages below.

Key Features + Pros:

  • Space-Saver. It is compact that is why you can easily put it even on limited spaces.
  • Sturdy. The cells are super protected and made of high-quality materials. They are enclosed in a well-built with a solid casing that will protect it from outside factors.
  • Quick Installation. You will not find any hard to understand components on this battery making it super easy to integrate on your solar panel.
  • Safe to Use. You do not have to worry about any hazardous effects on you and the environment. This is because this battery is made of non-toxic materials and proven that is 100% safe to use.
  • Warranty. It has an extended warranty of 10 years. They are only a few manufacturers that offer this kind of warranty as they value the buyer’s welfare.
  • Easy to Install. It only weighs 29 pounds which are considered to be super light for a deep cycle battery. This is why installing it and transferring its place will be so easy to do.
  • Very Responsive. It can last 10 times longer. At the same time, it can produce 200 amperes of surge output within half a minute.


  • A little bit expensive but understandable due to its latest features and great capacity.

3. WindyNation 100AH 12V AGM Deep Cycle Battery

If you have a solar panel and looking for a highly-durable battery then deep cycle batteries are the primary option to take. This is why Windy Nation has created one that will cater to your energy storage needs. It is one of the best price deep cycle batteries in the market right now. It has a proven reputation in providing long-term storage of the energy acquired from the panels. In this manner, it is absolutely the best in providing the best AGM deep cycle battery experience.

Key Features + Pros:

  • Long Lifespan. It is said that this battery can last for 10 to 12 years straight with daily use. This is because of the high-quality cells that are inside it.
  • Multifunctional. It can be used not only for solar systems but also for other purposes as well. Some examples of the devices where you can use it are RVs, telecommunication devices, tools, marine equipment, etc. Some consider this as the best deep cycle marine battery.
  • Super Compact. You do not have to worry if you have limited spaces in your area. This is because the battery only has dimensions of 13 x 6.8 x 8.7 inches.
  • Extended Energy Storage: There is a low-discharge rate because this battery is made of pure virgin lead materials. As a result, energy will last longer than usual.
  • Durable. It will not deteriorate easily because of the high-quality materials that it is made of.


  • You must prevent stocking it for a long time without using it as the cells’ life will decrease abruptly.

4. Mighty Max Battery 12V 35AH Deep Cycle AGM Solar Battery 

An efficient battery is crucial for you to not rely on grid electricity all the time. They are great in storing energy particularly solar energy thus saving you a lot of electricity. This is why you’ll need a Mighty Max Battery ML35-12 – 12V 35AH U1 Deep Cycle AGM Solar Battery. It is portable and has the latest features to keep your devices going. If you are in search of the best deep cycle battery for solar then this could be the one that you are looking for.

Key Features + Pros:

  • Extreme Stability. The energy stored inside this battery will not fluctuate making it super stable at all times. This is because the cells are capable to hold charge for extended periods no matter what amount they are holding.
  • Full-Year Warranty. The manufacturer offers a refund policy and a year of full warranty. This protects you as a buyer in case you discovered some issues with the item.
  • Easy to Install. You can mount this battery easily wherever you want to, making it hassle-free to install.
  • Spill-proof. This battery has a high recovery to discharging while operating on wide temperatures that will allow it to have an extended lifespan and operating hours.
  • Sturdy. You can enjoy this battery for longer periods because it will not break down easily.


  • It is quite underpowered if you put it on big vehicles.

5. ExpertPower 12v 33ah Rechargeable Deep Cycle Battery

If you own an RV or a solar panel then you will need a battery that will efficiently store the electricity. This is why you must have this ExpertPower 12v 33ah Rechargeable Deep Cycle Battery. Many people have concluded that it is the best deep cycle battery for solar right now. This is because it has functionalities that are considered great for energy storage and utilization.

Key Features + Pros:

  • Lightweight. It only weighs 23.2 lbs. which is considered light when it comes to deep cycle batteries.
  • Easy to Install. This battery is hassle-free to install because it can be mounted quickly on any surface.
  • Portable. The carry handle will give you the ability to carry it easily wherever you go. So that you will have a ready to use energy whenever you need it. As a result, you’ll never have to worry anymore about running out of electricity.
  • Durable. It is made of heavy-duty materials such as ABS plastic for the casing that will ensure that the battery cells will last longer than usual.
  • Affordable pricing. Compared to most brands, this particular model of this deep cycle battery seems to have better pricing. This is why it is one of few that have the best price deep cycle batteries out there.


  • It is a little bit underpowered if you will put it on things that are demanding when it comes to power.

6. Universal Power Group 12V 100Ah Solar Wind

If you want to give yourself some independence to grid power then you should try having solar power with the best 12-volt deep cycle battery. Just like this Universal Power Group 12V 100Ah Solar Wind. It is equipped with great functionalities and the best materials in the industry right now. Let us discuss more of its features.

Key Features + Pros:

  • Maintenance Free. This deep cycle battery is completely independent of maintenance. It will save you a lot of time from maintaining the battery.
  • Highly-Durable. The outer portion of the battery is made of sturdy plastic material. The cells are made of the finest materials to ensure that it can hold power very well.
  • Warranty. It has a 1-year warranty included in the deal so that as a buyer you will be protected if you notice some problems with the item.
  • Non-Hazardous. It does not contain toxic materials that will allow you to use it without worrying about the ill-effects that it might bring.
  • Not Pricey. This deep cycle battery will not compromise your budget. It is much deeper compared to leading brands.


  • There are a few instances wherein the charge of the battery suddenly drops.

7. Renogy Deep Cycle AGM Battery 12 Volt

Deep cycle batteries are essential in having an efficient solar panel system. They are the best to go for in order not to rely on grid power all the time. The good thing about these batteries is that they can last longer compare to conventional batteries. Just like this Renogy Deep Cycle AGM Battery 12 Volt, it is super-efficient and user-friendly. This might be the best group 31 deep cycle battery out there.

Key Features + Pros:

  • Made of the Best Materials. The inside of the battery is made of alloy plates. They are known to hold the charge more allowing you to enjoy the energy that you accumulated for longer periods. The outer casing is made of hard ABS plastic for extreme durability.
  • Compact. It will not take up too much space on your home especially if you have limited space.
  • Highly-Affordable. It will not hurt your budget once you buy this deep cycle battery as it is budget-friendly.
  • Maintenance-Free. You will not have to spend time maintaining this battery because you are not required to do so. It will function perfectly without any maintenance needed.


  • A little bit hard to install.

How long do deep cycle batteries last?

Some manufacturers claim that their deep cycle battery can last for 10 to 12 years but normally it just lasts for 6 years. It is already a great indication that you had bought fully-functional and high-quality batteries.

In terms of runtime, 20 hours is the norm for new batteries and can lower down over time. For higher capacity batteries, it can even go up to 50 hours depending on the load.


Now it’s time to wrap up the list of the best deep cycle battery. But before we part ways, we would like to give you our opinion regarding the top pick. We are choosing Vmaxtanks VMAXSLR125 AGM as our choice for the best deep cycle battery. It is because the battery is complete with all the qualities that you will need to have an efficient solar system. You will surely never regret buying this product and the others on our list. They will give you promising results and will exceed your expectations for sure.

Leave a Comment