10 Best Solar Storage Batteries & Their Reviews [Updated 2022]

Tim Hamlin
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Are you planning to buy a solar storage battery?

If you are, you’re probably overwhelmed with all the information and choices available.

Unfortunately, this is a buyers market. There’s a lot of poor information floating around, and many online vendors aren’t being upfront about the specs, quality, size, or price of their replacement batteries.

That’s why I went ahead and put together this detailed guide on the best solar battery, including their pros and cons. I’ve kept it short and sweet giving you just the information you need to make an informed decision.

NameCategoryProduct
Mighty Max Battery 12V 35AH Gel Replacement BatteryBest OverallMighty Max Battery 12V 35AH Gel Replacement Battery
Energizer Rechargeable AA BatteriesBudget PickEnergizer Rechargeable AA Batteries
Battle Born LiFePO4 Deep Cycle BatteryUpgrade PickBattle Born LiFePO4 Deep Cycle Battery

1. Mighty Max Battery 12V 35AH Gel Replacement Battery

Our rating: 9 / 10

Mighty Max Battery 12V 35AH Gel Replacement Battery

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Pros:

  • The purchase price is very reasonable
  • This battery fits perfectly and works with my solar power battery system.
  • It is not as heavy as the factory battery that was previously used.
  • It’s very easy to put into place.
  • The replacement battery has much more power capacity.
  • This deep-cycle battery is the perfect replacement for my solar power battery system.

Cons:

  • This Mighty Max deep cycle battery is a good battery, but it is not as good as the old one.

Code: 785-0608

The Mighty Max Deep cycle 12V 35AH Gel Battery is the right replacement for the Deep Cycle 12V 35AH battery the current Deep Cycle 12V 35AH battery can only give 6hr total continuous power output, the Mighty Max Deep Cycle 12V 35AH Gel Battery can give 12hr total continuous power output. Therefore, the new Mighty Max deep cycle battery is much better than the old one.

This is one of the best substitute for a good amount of energy storage devices. Since it’s already a gel battery it works great in cold weather as well as hot weather. The Mighty Max Battery 12V 35AH is designed to last up to 6-8 years. This deep cycle battery is made from non-spillable gel technology. A great quality battery as it reaches its nominal voltage in the shortest time possible.

2. Battle Born LiFePO4 Deep Cycle Battery

Our rating: 8 / 10

Battle Born LiFePO4 Deep Cycle Battery

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Pros:

  • Capable of handling extreme temperatures
  • Enables you to store power from generators, wind turbines, and solar panels
  • Fully charged solar power batteries have 4x the life of lead acid batteries
  • Batteries are vandal-resistant, preventing theft
  • Fire-retardant
  • No spill/leak technology

The Battle Born LiFePO4 is great for both vehicular and stationary applications. It is designed with an integrated BMS/battery management system that provides protection against reverse polarity, short circuits, and excessive charge. This also lets you know when you need to replace the battery.

This battery is fire resistant and corrosion resistant, and it is able to withstand extreme temperatures. Most impressively, the Battle Born LiFePO4 is able to provide up to 80,000 cycles, which will last much longer than lead acid batteries.

The Battle Born LiFePO4 battery needs to be charged using a designated RC charger. Along with all the features mentioned above, a cell phone app is available that enables you to monitor the battery’s charging status, voltage, and temperature, which is great for ensuring your power stays on without worry.

3. AmazonBasics AA Rechargeable Batteries

Our rating: 8 / 10

AmazonBasics AA Rechargeable Batteries

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Pros:

  • Affordable price
  • Long life span
  • Easy to recharge
  • Advanced technology

(2-Pack)

The AmazonBasics AA Rechargeable Batteries (2000 mAh), Pre-charged – Pack of 16 (2-Pack) is our pick as we have tested it and reviewed it and used it on the field.

This is ideal for people that are new to solar powered battery projects and don't want to spend a lot of money on a solar battery that may or may not be reliable.

4. Goal Zero Yeti 400 Portable Power Station

Our rating: 8 / 10

Goal Zero Yeti 400 Portable Power Station

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Goal Zero Yeti 400 Portable Power Station is an all in one power station that features AC inverter, USB ports, 12V port, battery bank, built-in wall outlet, crash protection technology, and a massive 400Wh capacity.

The Yeti 400 is perfect for a campsite, tailgating, backyard, road trips, or a power outage. You can charge up the HUGE 400Wh capacity either via the included wall outlet or the provided 5V/9V/12V DC car charger that works for both 120V and 240V outlets.

The Goal Zero Yeti 400 features a built-in AC inverter, which allows you to power up many household electronics. You can also charge up your AC devices as well with the built-in AC outlets, with 12W and 4W power respectively. The high quality 6,700 mAh lithium-ion batteries and proprietary circuit design allow for fast charging so that you can power up all your portable electronics in no time. With a massive 400Wh this power station can easily run a family of four for an entire weekend.

5. Vmaxtanks VMAX SLR85 AGM Deep Cycle 12 Volt 85Ah SLA rechargeable Battery

Our rating: 8 / 10

Vmaxtanks VMAX SLR85 AGM Deep Cycle 12 Volt 85Ah SLA rechargeable Battery

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Pros:

  • Very affordable for the capacity
  • Good durability
  • Good performance through the lifespan

Cons:

  • There are cheaper battery options
  • Not fully sealed

The Vmax SLR85 is a great value AGM deep cycle battery for use with solar panels and wind turbines. With a 85 amp hour capacity it is a good option for a larger battery system for RV, boats or marine applications.

The SLR85 has consistently good reviews and good feedback from customers. It is a cheaper 12 volt battery that can be used for marine applications. However it is not fully sealed.

This is a good value 12 volt battery under the size of a group 31. You can potentially stack two of these batteries in a battery bank.

6. ExpertPower EXP12330-2 AGM

Our rating: 8 / 10

ExpertPower EXP12330-2 AGM

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Pros:

  • Great value for money
  • Good Power
  • Great customer service

This is my close second choice because of its high-quality performance and great value for money. Both expertpower EXP12330-2 AGM (2 Pack)and expertpower EXP12331-2 AGM (2 Pack) are excellent deep cycle batteries that will provide years of reliable use.

Best of all, the batteries are backed by the company’s 3-year warranty, one of the longest in the market.

7. Energizer Rechargeable AA Batteries

Our rating: 7 / 10

Energizer Rechargeable AA Batteries

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The Recharge Power Plus batteries from Energizer will save you a great deal of time, hassle, and money in the long-term when compared to buying new batteries every time they run out. These batteries are charged up during the day by the natural sunlight and will then keep your devices running over night without any need for an external power source.

Unlike many other rechargeable batteries, these batteries come with a charger so you can get them ready for use right out of the package. There’s no need to buy a separate charger … unless you want to be able to charge more than one set at a time (in which case you’ll likely need a lot more than 4 batteries).

The main drawback of this battery is that you will need to recharge it often in order to maintain a charge. That means that if it’s not going to be used for a while, you’ll need to take the extra time to get it ready to go again.

8. Renogy 12V 200Ah Rechargeable Deep Cycle Pure Gel Battery Maintenance Free

Our rating: 6 / 10

Renogy 12V 200Ah Rechargeable Deep Cycle Pure Gel Battery Maintenance Free

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Pros:

  • Includes a free 200A inverter
  • Offers superb value for money

Cons:

  • You’ll have to clean the terminals occasionally
  • It isn’t cheaper than lower quality batteries

The Renogy 12V 200Ah rechargeable deep cycle pure gel battery pack is a great deal for the price. Batteries are one of the key components of any solar system, and this is by far the best one you can find on the market. It boasts a durable ABS plastic construction, is corrosion resistant and lead-free, and features three position mounting hardware.

9. uxcell Power Supply DC 3.7V 500mAh 2P PH 2.0mm Pitch Li-ion Rechargeable Lithium Polymer Li-Po Battery

Our rating: 5 / 10

uxcell Power Supply DC 3.7V 500mAh 2P PH 2.0mm Pitch Li-ion Rechargeable Lithium Polymer Li-Po Battery

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Pros:

  • Cost efficient
  • Very safe
  • Industrial grade Li-ion based Polymer batteries
  • They can be used for many years without significant damage
  • They hold charge well
  • They can be charged over 500 times without losing any significant capacity
  • Can be recharged by being exposed to direct sunlight
  • Can be recharged almost immediately when used with suitable solar panel kits

Cons:

  • The charger should be kept in the shade or inside a box while charging, other wise it can overheat and damage the battery
  • The charger is not very efficient as the battery drains while it is exposed to direct sunlight

The uxcell Power Supply DC 3.7V 500mAh 2P PH 2.0mm Pitch Li-ion Rechargeable Lithium Polymer Li-Po Battery Cell is a good product as it can be charged by being exposed to direct sunlight. It is a great source of alternative energy to be used for other devices. It is an industrial grade Li-ion based Polymer battery that can be used for many years without significant damage. They can be charged over 500 times without losing any significant capacity. These batteries can be recharged almost immediately when used with suitable solar panel kits. The charger should be kept in the shade or inside a box while charging, otherwise it can overheat and damage the battery.

10. 110AH 12V DC DEEPCYCLE SLA Solar Energy Storage Battery

Our rating: 5 / 10

110AH 12V DC DEEPCYCLE SLA Solar Energy Storage Battery

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Pros:

  • Store solar or wind power for later use
  • Works well with boat generators
  • Long-Lasting
  • Patented PWM Solar Controller

Cons:

  • Getting the recommended AGM Batteries can make this thing HEAVY! (around 70 lbs)

Take full advantage of renewable energy sources with the DeepCycle® 110AH 12V DC DEEPCYCLE SLA Solar Energy Storage Battery System. Even with the downsizing in battery technology in recent years, this battery still offers the highest amp-hours of any commonly available battery.

This battery is great if you want to store it out of sight and don’t need a lot of power stored at one time. Plus, the patented PWM Solar Controller allows you to activate the battery for charging (in case you need it) or completely deactivate it for long periods. Battery life can last up to 8-10 years, and the battery itself acts as an integrated float charger.

Frequently Asked Questions (FAQ)

Which solar batteries last longest?

When it comes to solar power storage batteries, durability is everything. Trust us. For those with solar panels on their roof, you understand the frustration that comes with a broken solar panel. Without a battery to store any excess power, the panels become useless.

When you factor in the price of some of the solar panels on this list, a battery as a single point of failure can be a real threat to the overall value of your solar power system.

Fortunately, it is easy to find a powerful battery that is also durable. Whether you get 6-volt deep cycle batteries, or something more high tech with lithium-ion, it is possible to find a great battery that lasts for yeas

What is the best battery to use with solar panels?

Solar energy systems are best paired with a deep cycle battery. These batteries differ from regular car batteries in that they have a higher capacity for power over time. It also has thicker plates, which extend the life of a deep-cycle battery. Deep-cycle batteries are commonly used for back-up power systems, golf carts, and solar-power energy systems. The emphasis is on long-lasting performance, and these batteries are the ideal fit.

Is it worth getting batteries for solar?

If you have a solar array, then Solar storage batteries are a great addition to your solar power set up. Unlike many items in the hardware stores, solar battery storage systems are not cheap and so you need to be sure that you really need them.

Before you buy solar storage batteries, you need to have a good understanding of how they work, what they do, and what you need them to do. After all, it's better to get the right battery for a job than to waste your money on a nice gadget that has no function.

​What types of batteries are available for solar arrays? Before answering this question, you should be aware that there are several types of batteries available online. All of these have different advantages and disadvantages. Some batteries are great for short-term use, while others are great for long-term use. Some batteries are great for power storage purposes, while others are ideal for transport purposes.

How long do solar storage batteries last?

Battery life largely depends on the brand and type of battery, as well as the number of solar panels your system has. There are also other factors to consider when it comes to battery life, such as how well you take care of your battery.

Generally speaking, a 200Ah battery can last around five years, while a 100Ah battery can last around three years, but there are large variations in these estimates for each battery.

Above all, don't assume that your battery will last 5 years just because that's how long it's rated for, and don't assume that your battery won't last 5 years just because the label has faded.

Conclusion

When we first wrote this article we were happy to find out that it is one of the most read articles on the subject of solar storage for your home. People are really looking for good, affordable solar batteries to power their homes and businesses and we are here to help you choose the one that’s worth buying for your needs. Just so you know, this article has been updated for 2022 and is our all-time top 10 list.

Our Recommendation

NameCategoryProduct
Mighty Max Battery 12V 35AH Gel Replacement BatteryBest OverallMighty Max Battery 12V 35AH Gel Replacement Battery
Energizer Rechargeable AA BatteriesBudget PickEnergizer Rechargeable AA Batteries
Battle Born LiFePO4 Deep Cycle BatteryUpgrade PickBattle Born LiFePO4 Deep Cycle Battery