The 10 Best Deep Cycle Batteries In 2020 Reviews and Buying Guide

A deep cycle battery is essentially a high-performance battery that can handle a lot of discharge cycles. These batteries offer the same amount of current and performance even up to the point till they are almost discharged.

Since these batteries can be used in many applications like boats, RV, golf carts, and more, we have mentioned the best deep cycle batteries in this article based on these factors:

  • Maximum Current: The maximum current rating of your deep cycle battery tells about its performance. With a higher maximum current rating, it can easily handle higher loads. In other words, a maximum current rating of 1000 amps offers much better performance than a 200 amp battery.
  • Capacity: Apart from being powerful, your deep cycle battery should also last for a long time. This capacity rating is given in Ah, which includes ratings like 50 Ah, 100 Ah, or even 200 Ah. Out of all these, the highest rating of 200 Ah will offer the highest capacity, which can last for a long time.
  • Voltage: Another thing to check before getting a deep cycle battery is its voltage rating. This simply ensures that a given battery is compatible with your vehicle. Fortunately, all of the deep cycle batteries present in this article are rated at 12 volts so that they can work with all vehicles without any issues.

Other than these factors, there is still more to check before getting a deep cycle battery. Thus, all of the deep cycle batteries in this article have been mentioned along with their major features and options along with a detailed Buying Guide so that you can get the right deep cycle battery for your needs by following this article until the end.

10 Best Deep Cycle Batteries In 2020

10 Best Deep Cycle Batteries In 2020 Reviews

1. Optima OPT8016-103 Deep Cycle Marine Battery

Optima OPT8016-103 Batteries

Like its deep cycle battery mentioned in this article, Optima and its electrical products can be a great option if you are looking for high-performance options out there.

The Optima OPT8016-103 deep cycle battery is present in the 1st position in this article as it is one of the best performing options out there. You get a very high maximum current rating of 870 amps, which makes it ideal for all kinds of heavy-duty usage.

Although, the capacity rating of 55 Ah of this battery is a bit on the lower side, which means that it does not last for long under heavy load. Since this is a 12-volt battery, it will work with most vehicles without any issue. A great thing about Optima is that it offers a 2-year long warranty for peace of mind.

Best Features:

  • Comes with a maximum current rating of 870 amps
  • Rated capacity of 55 Ah
  • Outputs 12-volt current
  • Offers a 2-year long warranty

Pros: 

  • Offers a very high current rating
  • Comes with a decent warranty period
  • Viable for boats and RVs

Cons: 

  • Not the most highest current rating

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2. Mighty Max Battery 12V 55Ah Deep Cycle Battery

Mighty Max Battery’s deep cycle battery

As you can most likely tell by its name, Mighty Max Battery is a brand which primarily means that it offers products like its deep cycle battery present here in this article.

Mighty Max Battery’s deep cycle battery is present in the 2nd position in this article as it is a viable entry-level option for many users. As it is an entry-level model, you get a maximum current rating of 140 amps, which is to be expected at this price tag.

Just like the previous deep cycle battery present up above, this one also comes with a capacity rated at 55 Ah. Talking about its voltage rating, you get a standard voltage rating of 12 volts with this deep cycle battery. Even though it is an entry-level deep cycle battery, you still get a 1-year long warranty with it.

Best Features:

  • Comes with a maximum current rating of 140 amps
  • Rated capacity of 55 Ah
  • Outputs 12-volt current
  • Offers a 1-year long warranty

Pros: 

  • Great entry-level deep cycle battery
  • Offers a decent current rating for the price
  • Small and compact battery

Cons: 

  • Not the most highest current rating

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3. Battle Born LiFePO4 Deep Cycle Battery – 100Ah 12v Applications

Battle Born LiFePO4 Deep Cycle Battery

If you want a battery that you expect to last for a long time, you should consider going with Battery Born and its offerings, including its highly reliable deep cycle battery models.

This Battle Born LifePo4 deep cycle battery is present in the 3rd position in this article as it is the most reliable option present in this article. However, at the given price tag, its given current rating of 200 amp might not be the highest out there.

Thankfully, you get a very high capacity of 100 Ah with this deep cycle battery, which is quite high for most users. Coming to the best feature of this deep cycle battery, you get a very long battery of 10 year long, making it the most reliable option in this article.

Best Features:

  • Comes with a maximum current rating of 200 amps
  • Rated capacity of 100 Ah
  • Outputs 12-volt current
  • Offers a 10-year long warranty

Pros: 

  • Highly reliable and durable deep cycle battery
  • Offers a very high capacity rating
  • Rated at 3000 to 5000 discharge cycles

Cons: 

  • Current rating could have been higher for the price

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4. Weize 12V 100AH Deep Cycle AGM SLA VRLA Battery

Weize 12V 100AH Deep Cycle

You can also consider Weize if you want a deep cycle battery for your vehicle that offers high capacity so that it can last for a long time between discharge cycles.

With the Weize deep cycle battery, you get decent performance with a high capacity. Starting with its maximum current rating, this deep cycle battery can offer an output of up to 30 amps, which is to be expected with a high capacity battery like this.

Speaking of the capacity of this battery, it is also rated at 100 Ah like the previous one, which is more than enough for most users. This means that this 12-volt deep cycle battery can last for a long time on a full charge. Weize also offers a 1-year long time to the user, which is always great to have.

Best Features:

  • Comes with a maximum current rating of 30 amps
  • Rated capacity of 100 Ah
  • Outputs 12-volt current
  • Offers a 1-year long warranty

Pros: 

  • Lasts for a very long time on a single charge
  • Comes with a decent warranty period
  • Justified price tag for the given capacity

Cons: 

  • Quite a low maximum current rating

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5. Vmaxtanks Vmax V35-857 12 Volt 35AH AGM Battery Marine Deep Cycle

Vmaxtanks Vmax deep cycle battery

Even though there are many deep cycle battery brands out there, Vmaxtanks and its Vmax deep cycle battery mentioned here can be a viable option if you want an entry-level model.

This Vmaxtanks Vmax deep cycle battery is one of the cheapest options available out there and mentioned here in this article. Even though it is an entry-level model, you still get a maximum current rating of 115 amps with this one, which is quite high.

That being said, its capacity rating is quite low at just 35 Ah, which is to be expected at this price tag. Even though this has an affordable price tag, you still get the standard voltage rating of 12 volts. Another great thing with this entry-level deep cycle battery is its 1-year long warranty.

Best Features:

  • Comes with a maximum current rating of 115 amps
  • Rated capacity of 35 Ah
  • Outputs 12-volt current
  • Offers a 1-year long warranty

Pros: 

  • Rated at a decent current rating
  • Affordable and entry-level deep cycle battery
  • Offers a decent warranty period

Cons: 

  • Does not last for a long time

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6. Renogy Deep Cycle Hybrid Gel 12 Volt 100Ah Battery

Renogy Deep Cycle

While you might find various brands for deep cycle batteries out there, Renogy is one of the most popular ones out there since it offers all kinds of models, including long-lasting ones like this one.

The Renogy deep cycle battery is a high-performance deep cycle battery that is also expected for a long time. It is a powerful model since you get a very high maximum current rating of 1000 amps, which is more than enough for most users.

Such a high maximum current rating has been combined along with a 100 Ah capacity so that it can easily last for a long time. As a result, this 12-volt deep cycle battery is viable for most heavy-duty uses. One of the best things about this deep cycle battery is that it comes with a very long warranty period of 3 year long.

Best Features:

  • Comes with a maximum current rating of 1000 amps
  • Rated capacity of 100 Ah
  • Outputs 12-volt current
  • Offers a 3-year long warranty

Pros: 

  • Rated a very high current rating
  • Lasts for a long time
  • Quite a reliable and durable deep cycle battery

Cons: 

  • Not the most compact deep cycle battery

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7. Miady 12V 16Ah Deep Cycle LiFePO4 Battery

Miady’s deep cycle battery

Coming to Miady and its deep cycle battery present in this article, it is another budget-friendly option present here, which still offers decent performance for the given price.

Miady’s deep cycle battery is the cheapest option present in this article, making it an ideal option for all those who are on a tight budget. Even though it is a budget option, its maximum current rating of 43 amps is decent enough for most users, especially when compared with other entry-level models.

Unfortunately, the capacity of this deep cycle battery is quite low at 16 amps. As a result, this 12-volt deep cycle battery does not last for a long time, even at moderate loads. However, unlike other deep cycle batteries, this one offers a 1.5-year long warranty for high reliability.

Best Features:

  • Comes with a maximum current rating of 43 amps
  • Rated capacity of 16 Ah
  • Outputs 12-volt current
  • Offers a 1.5-year long warranty

Pros: 

  • Affordable deep cycle battery
  • Comes with a long warranty period
  • Decent current rating for the price

Cons: 

  • Poor battery capacity rating

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8. Renogy Deep Cycle AGM Battery 12 Volt 200Ah

Renogy Deep Cycle AGM Battery

We have yet another deep cycle battery from Renogy here in this article, which can be a great high-performance option for most, just like the previous option present in this article.

Not only is this deep cycle battery a high-performance model, but it is, in fact, the best performing option present in this article. With this deep cycle battery, you get an excellent maximum current rating of 2000 amps, which is much higher than others.

Another great thing about this deep cycle battery is that it offers a capacity of 200 Ah, which is the highest in this article. This means that you can expect this deep cycle battery to easily last for a long time. You also get a 2-year long warranty with it, making it one of the most reliable options here.

Best Features:

  • Comes with a maximum current rating of 2000 amps
  • Rated capacity of 200 Ah
  • Outputs 12-volt current
  • Offers a 2-year long warranty

Pros: 

  • Excellent maximum current rating
  • Easily lasts for a long time
  • Comes with a decent warranty period

Cons: 

  • A bit on the expensive side

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9. ExpertPower 12V 20Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery

ExpertPower deep cycle battery

As you can most likely tell by the name, ExpertPower is primarily known for making power-related devices like its deep cycle battery mentioned in this article.

When compared with other options, the ExpertPower deep cycle battery might not be for you if you are looking for a high-performance option. This is due to the reason that it only comes with a low maximum current output of 20 amps.

Not only that, but this battery also has a low capacity of just 20 Ah, because of which it will not last for a long time even when under moderate power loads. Thankfully, like most other options out there, this deep cycle battery also offers a 12-volt rating. Another standard thing with this deep cycle battery is its 1-year long warranty, which is the same as most others.

Best Features:

  • Comes with a maximum current rating of 20 amps
  • Rated capacity of 20 Ah
  • Outputs 12-volt current
  • Offers a 1-year long warranty

Pros: 

  • Standard 12 volt battery rating
  • Comes with a decent warranty period
  • Small and compact deep cycle battery

Cons: 

  • Poor current output
  • Poor capacity rating

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10. Vmax Solar Vmax SLR125 AGM Sealed Deep Cycle

Vmax SLR125 battery

Coming to the last option in this article, we have yet another offering from Vmaxtanks, which happens to be the Vmax SLR125 battery that offers a decent value for money.

You get a high value for money with this Vmax battery since it is the only option in this article, including 2 batteries in each. Each battery has a current rating of 30 amps, which means that this is not a high-performance option for most.

That being said, this battery is surely a great pick if you want it to last for a long time because of its given capacity of 125 Ah. Just like all other deep cycle batteries in this article, you get a 12-volt rating as well. Talking about its warranty, you get a 1-year long warranty with this deep cycle battery.

Best Features:

  • Comes with a maximum current rating of 30 amps
  • Rated capacity of 125 Ah
  • Outputs 12-volt current
  • Offers a 1-year long warranty

Pros: 

  • Offers a standard 12-volt rating
  • Lasts for a long time even under heavy loads
  • Comes with a decent warranty

Cons: 

  • Low current output rating

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Buying Guide For The Best Deep Cycle Batteries

There are many cases where a standard car battery might not work. This includes applications like RVs, boats, golf carts, and more. Such vehicles need more powerful batteries that can offer the same performance even when the battery is almost discharged.

Hence, we have mentioned the best deep cycle batteries earlier in this article. We have also mentioned their major features and options of these deep cycle batteries so that you can easily differentiate between them. And if you are interested in knowing more, here is a detailed buying guide related to deep cycle batteries. You can simply go through the following factors to choose the right deep cycle battery for your requirements:

1. Maximum Current

One of the most important factors to consider before getting a deep cycle battery is its maximum current rating. As you can tell by the name, the maximum current rating of a battery tells about the maximum load it can handle. While some batteries might be rated at 1000 amps, others might be rated at 200 amps. And out of these two deep cycle battery models, the one with a 1000 amp rating will offer better performance.

2. Capacity

You should also check the capacity of your deep cycle battery to make sure that it can last for a long time even when under heavy load. This capacity rating is generally given in Ah, where a higher rating offers better capacity, which means that your battery will last for a longer time. For example, if you have a 200 Ah deep cycle battery, it will last much longer than a 100 Ah battery when both of them are under a similar load.

3. Voltage

Another factor to consider before getting a deep cycle battery or any kind of battery for that matter is the voltage rating. The voltage rating of a given battery has to match the voltage rating needed by your vehicle. Since most vehicles use a 12-volt battery, all of the deep cycle batteries present in this article are 12-volt batteries for the highest compatibility.

4. Warranty

The primary reason for getting a deep cycle battery over a standard battery is that these last for a long time and have a high discharge cycle as well. But if you also want your battery to last for years without needing to replace it, then you should also check the warranty of your deep cycle battery. Thankfully, most of the deep cycle batteries out there come with a 1-year long warranty or even longer. Some batteries might even offer a 10-year long warranty making them highly reliable.

Conclusion

Unlike the standard batteries used in most vehicles, a deep cycle battery usually offers better performance. These deep cycle batteries also last for a longer time with much better discharge cycles. Due to this, these deep cycle batteries are used in boats, RVs, golf carts, and much more.

If you are looking for one, then you can pick one from the best deep cycle batteries present up above in this article. These batteries have been mentioned, along with their major features and options. You can also find a detailed buying guide related to deep cycle batteries with all the important factors. According to all these details and factors, here are favorite deep cycle battery recommendations:

  • The Renogy Deep Cycle AGM deep cycle battery is the most powerful option present in this article. You get an excellent maximum current rating of 2000 amps with this one, which is quite high. It is combined along with a high capacity of 200 Ah so that the battery can last for a long time. This battery also comes with a 2-year long warranty for decent reliability.
  • Speaking of reliability, if you want the most reliable and durable option in this article, then the Battle Born LifePO4 might just be for you. With this deep cycle battery, you get an excellent warranty period of 10 years long, which is much higher than others. It also offers decent performance with a given maximum current rating of 200 amps and a capacity of 100 Ah.
  • In case you are on a budget, then you should consider the Miady deep cycle battery. This battery offers a decent maximum current rating of 43 amps and a battery capacity of 16 Ah. Despite being an affordable option, this deep cycle battery also comes with a 1.5 year long for your peace of mind.

Make sure to share your thoughts in the comments section. You can also post any questions down there if you have any!

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