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Best 12 Volt Solar Battery Chargers in 2024 Reviews & Buying Guide

A 12 volt battery is considered to be highly versatile since it can be used in all kinds of vehicles. But whether you are getting a new 12 volt battery for your vehicle or have one which has not been used for a long time, you will need to charge it up. Thankfully, you can do the same using solar energy with the help of one of the best 12 volt solar battery chargers given down below in this listicle thanks to these features offered by them:

  • Maximum Power Output: While almost any 12 volt solar battery charger will charge your 12 batteries, you will need a powerful charger if you wish to charge your batteries quickly. To ensure the same, you can simply check the maximum power output of your battery charger as a higher power output results in faster-charging speeds. Because of this, a 100 watt 12 volt solar battery charger will perform much better than 20 watt or 10 watt options.
  • Supported Battery Types: Before you go ahead and get a 12 volt solar battery charger, it is highly important to ensure that the given charger properly supports your preferred battery types. While some may give this supported battery type as the vehicle type like car, bike, boat, and others, other chargers will have actual battery types like wet, gel, AGM, deep cycle, and other types of batteries. Any 12 volt solar battery charger which supports multiple types of batteries will be highly versatile.
  • Connectors and Cables: In order to charge a given battery using your 12 volt solar battery charger, you will need to first connect your battery to your solar panel. For the same, it is highly recommended to check the cable and connector options offered by your solar battery charger. Some of the common connectors you will find in 12 volt solar battery chargers include alligator clips, cigarette lighter, and SAE connectors where having multiple connectors will always result in a versatile charger.

While these features are some of the most important ones, there is still a lot to consider while picking the right 12 volt solar battery charger for you. Therefore, all the best 12 volt solar battery chargers present down below also have their important aspects and factors given along with a complete “Buying Guide” so that you easily go with the best 12 volt solar battery charger by the end of this list.

Best 12 Volt Solar Battery Chargers List

12 Volt Solar Battery ChargersMaximum Power OutputSupported Battery TypesWarrantyBuy Now
ECO-WORTHY Solar Battery ChargersUp to 5 wattsCar, motorcycle, boat, snowmobile batteries1 year longCheck On Amazon
Sunway Solar Battery ChargersUp to 4 wattsWet, gel, SLA, AGM, deep cycle batteries1 year longCheck On Amazon
SUNER POWER Solar Battery ChargersUp to 8 wattsWet, gel, SLA, AGM, deep cycle batteries1 year longCheck On Amazon
SOLPERK Solar Battery ChargersUp to 10 wattsWet, gel, MF, EFB, AGM batteries1 year longCheck On Amazon
POWOXI Solar Battery ChargersUp to 7.5 wattsCar, motorcycle, boat, snowmobile batteries1 year longCheck On Amazon
Topsolar Solar Battery ChargersUp to 100 wattsCar, motorcycle, boat, snowmobile batteries1 year longCheck On Amazon
POWISER Solar Battery ChargersUp to 20 wattsCar, motorcycle, boat, snowmobile batteries1 year longCheck On Amazon
Sun Energise Solar Battery ChargersUp to 20 wattsCar, motorcycle, boat, snowmobile batteries1 year longCheck On Amazon
SUNSUL Solar Battery ChargersUp to 20 wattsCar, motorcycle, boat, snowmobile batteries1.5 year longCheck On Amazon

Best 12 Volt Solar Battery Chargers Reviews

1. ECO-WORTHY 12 Volt 5 Watt Solar Trickle Charger

ECO-WORTHY Solar battery chargers Eco Worthy is one of the most popular options available out there when you are talking about 12 volt solar battery chargers since they are highly affordable and a great option for all those who are on a tight budget.

The Eco Worthy 12 volt solar battery charger comes at the 1st position of this list since this is the most affordable option given here making it the perfect option for budget-oriented buyers. Because this is an entry-level option, its given maximum power output of up to 5 watts is to be expected. Since it is not a high-performance option, it does offer the same in a fairly compact form factor of 8.7 inch x 7.5 inch.

Even though it is not a high performance 12 volt solar battery charger by any means, it is certainly quite versatile thanks to its support for car, motorcycle, boat, and snowmobile batteries. Another great thing about this solar battery charger is that you get multiple connectors like alligator clips, cigarette lighter charger, and an SAE connector for connecting batteries. In fact, despite the entry-level price tag of this solar battery charger, it still comes with a 1 year long warranty.

Best Features:

  • Rated for a maximum power output of up to 5 watts
  • Supports car, motorcycle, boat, snowmobile batteries
  • Includes alligator clips, cigarette lighter charger, SAE connector
  • Rated dimensions of 8.7 inch x 7.5 inch
  • Comes with a warranty period of 1 year long

Pros:

  • Excellent option for buyers on a tight budget due to a highly affordable price tag
  • Versatile solar battery charger with support for multiple battery and connector types
  • Fairly compact and portable with smaller dimensions compared to others

Cons:

  • Not ideal for heavy-duty usage due to a low maximum power output rating

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2. Sunway Solar Car Battery Trickle Charger

Sunway Solar Battery ChargersIf you are looking for something versatile in terms of a 12 volt solar battery charger that can be used with a wide range of batteries, then Sunway Solar and its offerings can be a great option for the same in a pretty compact form factor.

Sunway Solar’s 12 volt solar battery charger comes at the 2nd position of this listicle as it is one of the best options out there in terms of its versatility. Unfortunately, this 12 volt solar battery charger is not a heavy-duty usage option by any means since you get a pretty average and entry-level maximum power output of up to 4 watts from it. That being said, this 12 volt solar battery charger happens to be quite small as it measures just 13.9 inch x 5 inch.

Coming to the key feature of this 12 volt solar battery charger, it is one of the most versatile options out there since it supports battery types like wet, gel, SLA, AGM, and deep cycle batteries. Even though it only has 2 cables in the box, it still features a total of 3 connectors including alligator clips, a cigarette lighter charger, and an SAE connector. Since Sunways Solar is a reputable option, you also get a 1 year long warranty with it.

Best Features:

  • Rated for a maximum power output of up to 4 watts
  • Supports wet, gel, SLA, AGM, deep cycle batteries
  • Includes alligator clips, cigarette lighter charger, SAE connector
  • Rated dimensions of 13.9 inch x 5 inch
  • Comes with a warranty period of 1 year long

Pros:

  • Highly versatile 12-volt solar battery charger with great battery and connector support
  • Pretty small and compact with fairly small dimensions for portable usage
  • Decent build quality with a standard warranty period for your peace of mind

Cons:

  • Quite a poor power output performance due to a low wattage rating

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3. SUNER POWER 12V Solar Car Battery Charger

SUNER POWER Solar Battery ChargersSuner Power is another well known brand of solar related products which includes both appliances as well as power devices like its 12 volt solar battery charger given here that also happens to be a highly versatile option for many.

This Suner Power 12 volt solar battery charger comes at the 3rd position of this article because it is one of the best versatile and feature-rich options out there. As for its performance numbers, this 12 volt solar battery charger is rated for a maximum power output of up to 8 watts which is decent if not the best. Although considering the given dimensions of 14.84 inch x 6.36 inch, you could have certainly expected a higher power output.

That being said, this 12 volt solar battery charger still happens to be a great option for many thanks to its given support for battery types like wet, gel, SLA, AGM, and deep cycle batteries. Similar to most other versatile 12 volt solar battery chargers, this one also offers various connectors to the user including alligator clips, a cigarette lighter charger, and an SAE connector. Suner Power also includes a 1-year warranty along with a pretty decent build quality in the case of this solar battery charger.

Best Features:

  • Rated for a maximum power output of up to 8 watts
  • Supports wet, gel, SLA, AGM, deep cycle batteries
  • Includes alligator clips, cigarette lighter charger, SAE connector
  • Rated dimensions of 14.84 inch x 6.36 inch
  • Comes with a warranty period of 1 year long

Pros:

  • Supports a wide range of battery types and connector types for high versatility
  • Solid build quality with a pretty good warranty period
  • Charges batteries with proper safety with included reverse protection

Cons:

  • Fairly large and bulky in size for the given maximum power output rating

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4. SOLPERK 10W Solar Panel,12V Solar Panel Charger Kit

SOLPERK Solar Battery ChargersSolperk is a comparatively newer and a pretty small brand of solar powered products which also includes its 12 volt solar battery charger given here which is on the larger and more powerful side.

The Solperk 12 volt solar battery charger can be a great option for all those who do not have any issues with the size of their solar battery charger but want something versatile and powerful. Beginning with the maximum power output of this 12 volt solar battery charger, it is rated for up to 10 watts of power output which is quite great. Unfortunately, this 12 volt solar battery charger is quite large because of its given dimensions of 13.4 inch x 9.8 inch.

Talking about the supported battery types, you will be glad to know that this 12 volt solar battery charger works with wet, gel, MF, EFG, and AGM batteries which should be plenty for most users. While it does offer alligator clips and SAE connectors for charging your batteries, it does not offer any cigarette lighter charger. Similar to most other popular and reputable solar battery chargers, this one also includes a 1-year warranty.

Best Features:

  • Rated for a maximum power output of up to 10 watts
  • Supports wet, gel, MF, EFG, AGM batteries
  • Includes alligator clips, SAE connector
  • Rated dimensions of 13.4 inch x 9.8 inch
  • Comes with a warranty period of 1 year long

Pros:

  • Fairly good maximum power output for pretty good charging speed
  • Works perfectly with most of the common types of 12 volt batteries
  • Quite a durable construction along with a standard warranty for your peace of mind

Cons:

  • Quite large in size due to its given dimensions resulting in a non-portable option

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5. Upgraded 7.5W-Solar-Battery-Trickle-Charger

POWOXI Solar Battery ChargersIf you wish to use your 12 volt solar battery chargers outdoors and in rugged environments, then Powoxi and its offerings can be a great option since it offers some of the best build chargers out there.

Powoxi’s 12 volt solar battery charger is a great option if you want a sturdy and well-built option for outdoors usage. Although, this 12 volt solar battery charger focuses primarily on its build quality and not performance as you only get a maximum power output of up to 7.5 watts from it. Because of its bumper frame and sturdy construction, it does have slightly bulky dimensions of 14.5 inch x 9 inch.

Instead of mentioning its supported battery types exactly, it instead mentioned supporting vehicle types which include cars, motorcycles, boats, and snowmobiles. You also get various connectors and cables with this solar battery charger like alligator clips, cigarette chargers, and SAE connectors which are similar to others. Another similarity between this and other solar battery chargers is that you also get a 1-year long warranty with it.

Best Features:

  • Rated for a maximum power output of up to 7.5 watts
  • Supports car, motorcycle, boat, snowmobile batteries
  • Includes alligator clips, cigarette lighter charger, SAE connector
  • Rated dimensions of 14.5 inch x 9 inch
  • Comes with a warranty period of 1 year long

Pros:

  • Highly sturdy solar battery charger with an excellent build quality
  • Offers an IP65 water resistance rating for protection against water damage
  • Support for standard battery types and charging connectors

Cons:

  • Not a powerful 12 volt solar battery charger due to limited power output

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6. Topsolar SolarFairy 100W Solar Panel Charger Kit

Topsolar Solar Battery ChargersTopsolar is one of the more premium and one of the most high-end options out there when you are talking about solar powered products like solar battery chargers which are generally known for high-performance numbers including the one given here.

This Topsolar SolarFairy 12 volt solar battery charger is the best performing option given here making it perfect for heavy-duty usage. When compared with all other 12 volt solar battery chargers out there, this one offers a much higher maximum power output of up to 100 watts which is much higher than what you will ever need. And the best part about this solar battery charger is that it only has dimensions of 13.3 inch x 9.49 inch which is fairly compact.

Since this is a powerful 12 volt solar battery charger, it works with most of the common battery types like car, motorcycle, boat, and snowmobile batteries. In fact, it even offers USB and USB type C ports which makes this solar battery charger highly versatile. As for charging batteries, it even offers common connector types like alligator clips, cigarette lighter charger, and an SAE connector. Talking about the reliability of this solar battery charger, it also offers a 1-year warranty similar to most others.

Best Features:

  • Rated for a maximum power output of up to 100 watts
  • Supports car, motorcycle, boat, snowmobile batteries
  • Includes alligator clips, cigarette lighter charger, SAE connector
  • Rated dimensions of 13.3 inch x 9.49 inch
  • Comes with a warranty period of 1 year long

Pros:

  • Superb power output for high-end usage and quite fast battery charging speeds
  • Decently compact and portable for the given performance numbers
  • Highly versatile connectivity options including USB ports for mobile devices

Cons:

  • Highly expensive solar battery charger for high-end usage

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7. POWISER 20W 12V Solar Panel Car Battery Charger

POWISER Solar Battery ChargersPowiser is a comparatively newer option when it comes to solar battery chargers that is still a viable option for many thanks to its included features and options which make its 12 volt solar battery chargers highly practical.

The Powiser 12 volt solar battery charger is one of the best options out there if you want to have multiple accessories along with it like installation options, connector cables, stands, and more. Coming to the performance numbers of this 12 volt solar battery charger, it is rated for 20 watts of power output which is quite good for most. Although, if you are looking for something portable, you should look elsewhere since it has dimensions of 14.37 inch x 7.68 inch.

To ensure that this solar battery charger is as versatile and practical as possible, it offers the support for all the usual battery types like car, boat, motorcycle, and snowmobile batteries. As mentioned earlier, this solar battery charger offers a wide range of accessories including connectors like alligator clips, cigarette lighter charger, and an SAE connector for powering your batteries. While you do get a 1-year warranty with this solar battery charger, its build quality is definitely on the average side.

Best Features:

  • Rated for a maximum power output of up to 20 watts
  • Supports car, motorcycle, boat, snowmobile batteries
  • Includes alligator clips, cigarette lighter charger, SAE connector
  • Rated dimensions of 14.37 inch x 7.68 inch
  • Comes with a warranty period of 1 year long

Pros:

  • Includes a wide range of handy accessories for practical usage and high versatility
  • Fairly decent maximum power output rating for good charging speeds
  • Works great with most of the common types of batteries

Cons:

  • Build quality could have been much better for the given price

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8. Sun Energise Waterproof 12V 20W Solar Battery Charger Pro

Sun Energise Solar Battery Chargers Even though Sun Energise and its offerings are certainly quite expensive and on the higher end side, it can still be a great option if you want a highly sturdy option for outdoors usage in rugged environments.

Sun Energise’s 12 volt solar battery charger is another great option if you want something well built and highly sturdy. Taking a look at its performance numbers before its build quality, this solar battery charger can offer a maximum power output of up to 20 watts. As for its construction, it is rated for IP65 water resistance making it a solid option for rugged usage. Unfortunately, to make the same possible, it uses a large-sized jacket resulting in dimensions of 16.25 inch x 9.5 inch.

Just like most other solar battery chargers, this one is also made for car, motorcycle, boat, and snowmobile batteries. And when it comes to connecting batteries to this battery charger, you can use its alligator clips, cigarette lighter charger, or its SAE connector. As for the reliability of this 12 volt solar battery charger, it features a 1-year warranty with it.

Best Features:

  • Rated for a maximum power output of up to 20 watts
  • Supports car, motorcycle, boat, snowmobile batteries
  • Includes alligator clips, cigarette lighter charger, SAE connector
  • Rated dimensions of 16.25 inch x 9.5 inch
  • Comes with a warranty period of 1 year long

Pros:

  • Water-resistant and highly durable build quality for rugged usage outdoors
  • Pretty decent power output for fairly good battery charging speeds
  • Versatile in terms of compatibility and support with connectors and battery types

Cons:

  • Way too bulky for portable usage due to its large-sized jacket used for rugged usage

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9. SUNSUL 20 Watt 12V Solar Panel Kit

Sunsul offers a wide variety of solar products that are generally quite great for long term usage including its 12 volt solar battery charger given here.

This Sunsul 12 volt solar battery charger is the most durable and reliable option given here due to various reasons as you will see later on. For now, talking about its performance numbers, this 12 volt solar battery charger offers a maximum power output of up to 20 watts which is quite decent. However, because of the large-sized frame of its solar panel, this charger has quite big dimensions of 15.35 inch x 13.66 inch which can be a bit high for many.

Similar to most other 12 volt solar battery chargers out there, even this one is made for car, motorcycle, boat, and snowmobile batteries. If you want to connect this charger to any one of these battery types, you can use the included alligator, cigarette lighter charger, or the SAE connector. Coming to the best thing about this solar battery charger, you will be glad to know that it features a 1.5-year warranty which is the longest in this listicle.

Best Features:

  • Rated for a maximum power output of up to 20 watts
  • Supports car, motorcycle, boat, snowmobile batteries
  • Includes alligator clips, cigarette lighter charger, SAE connector
  • Rated dimensions of 15.35 inch x 13.66 inch
  • Comes with a warranty period of 1.5 year long

Pros:

  • Superb option for long term usage thanks to sturdy build quality and a long warranty
  • Fairly versatile and practical with its battery type support
  • Quite powerful for decent battery charging speeds for most users

Cons:

  • Not a portable option due to quite large dimensions

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Buying Guide for the Best 12 Volt Solar Battery Chargers

Since solar energy is completely free to use and a great environmentally friendly option, it gets used in all kinds of applications. Apart from solar powered appliances, you can also find devices like chargers made for charging batteries which can be quite practical and handy.

In fact, we have already given a few of the best 12 volt solar battery chargers earlier in this guide which are perfect for charging your 12 volt batteries. To help you in picking the right 12 volt solar battery charger for your needs and requirements, all of these options also have their major features and options given along with them. However, if you are still confused, consider checking out the following detailed buying guide for the best 12 volt solar battery charger:

1. Maximum Power Output

Just like a standard battery charger, 12 volt solar battery chargers also have a certain maximum power output rating. This simply tells you about the maximum power or the maximum wattage your battery charger can offer. While buying a battery charger, it is highly important to check the same because the power rating simply tells you about the charging speeds you can expect.

This is due to the reason that a higher power output will always result in faster-charging speeds. As a result, while buying 12 volt solar battery chargers, you can find various maximum power output ratings like up to 5 watts, up to 10 watts, up to 20 watts, and even up to 100 watts. When compared with each other, the higher maximum power output rating of up to 100 watts is going to be the best one for heavy-duty usage.

2. Supported Battery Types

Even if your 12 volt solar battery charger offers a high maximum power output, it won’t be functional or useful for you if it does not work with your 12 volt batteries. Therefore, it is highly recommended to check the supported battery types of the 12 volt battery charger that you are going for. While checking the same, you will primarily find 2 types of battery types listed with battery chargers.

Starting with the simpler one, many 12 volt solar battery chargers will have a battery type given as the vehicle in which that battery is used. For example, a 12 volt solar battery charger may support car, bike, boat, and snowmobile batteries. Other than this, some 12 volt solar battery chargers may also have their supported battery types given as wet, gel, AGM, and deep cycle batteries. In either case, any 12 volt solar battery charger which supports multiple types of batteries is going to be highly versatile for easily charging any battery of your choice.

3. Connectors and Cables

Another highly important factor to consider while going with a 12 volt battery charger is the connectors and cables offered by it. This is due to the reason that you will need the right type of cables and connectors for connecting your 12 volt battery to your 12 volt solar battery charger in order to charge your batteries.

Talking about the common connector types that you will find in 12 volt solar battery chargers, it includes alligator clips, cigarette lighter chargers, and SAE connectors. Any 12 volt solar battery charger which offers multiple of these connectors is going to be highly versatile and practical.

If you want something extra and even more versatile, then you can also find a few 12 volt solar battery chargers which also offer USB ports for charging your mobile devices as well and not just your 12 volt batteries.

4. Dimensions

Whether you are going to take your 12 volt solar battery charger with you or not, it is highly important to check its dimensions. This is due to the reason that the dimensions of your 12 volt solar battery charger not only affects its form factor and portability, but it also affects the power output offered by it.

When compared with other, larger solar panels generally offer higher power output than smaller units because of which 12 volt solar battery chargers with large dimensions are generally ideal for heavy duty usage. On the other hand, any 12 volt solar battery charger with smaller dimensions is going to be great for portable use. As for the exact dimensions that you will generally find while going with 12 volt solar battery chargers, it includes options like 6 inch x 8 inch, 7 inch x 10 inch, 8 inch x 12 inch, and various others.

5. Warranty

Once you have gone through this buying guide and chosen your preferred 12 volt solar battery charger, you would want it to last for as long as possible. While there are various factors that may affect the same, one easy way to ensure that you are going with a reliable and durable is to simply check the included warranty.

This is due to the reason that any 12 volt solar battery charger which comes with a longer warranty will last longer in most cases. As for the warranty options that you can find while going with 12 volt solar battery chargers, almost all of the options out there feature a 1-year warranty.

FAQs about the Best 12 Volt Solar Battery Chargers

1. Can you also charge batteries of different voltages using a 12 volt solar battery charger?

Ans:While all of the solar battery chargers given above are made for charging 12 volt batteries, some of them also allow you to charge batteries for different voltages if needed. You can also use a voltage converter for charging batteries of different voltages even if your solar battery charger only offers 12 volt output.

2. Where do you place the solar panel of your 12 volt solar battery charger while charging 12 volt batteries?

Ans: Since the solar panel of most 12 volt solar battery chargers is quite large in size, you may want to place it in a proper place where it can get enough sunlight. For the same, most 12 volt solar battery chargers come with suction cups which allow you to mount your solar panel on your car’s windshield which also offers a pretty great angle for the solar panel so that it gets enough sunlight at all times.

3. Can a 12 volt solar battery charger overcharge your 12 volt batteries?

Ans: Almost all 12 volt solar battery chargers available out there will have an overcharge protection built-in them for proper safety. This simply disables your 12 volt solar battery charger as soon as your 12 volt battery gets fully charged to prevent any damage to your batteries.

Conclusion:

If you want to charge your 12 volt batteries for using vehicles or other devices, then you can either connect it directly in a vehicle or use an external charger. And in case you are going for an external charger for any reason, then you should go with something like the best 12 volt solar battery chargers given above since they are highly cost-effective and a great green powered option.

Alongside these various 12 volt solar battery chargers, you can also find their primary features and details along with an extensive buying guide which can be quite useful for choosing the right one. In case you still haven’t chosen one, you can simply go with one of our ideal picks for the best 12 volt solar battery chargers given here:

  • When compared with all other 12 volt solar battery chargers given above, the Topsolar SolarFairy 12 volt solar battery charger is the most powerful option. This is due to the reason that it offers a superb maximum power output of up to 100 watts which is much higher than any other option. Thanks to its excellent maximum power output, it can charge almost all kinds of batteries like car, motorcycle, boat, and snowmobile batteries. Another great thing about this 12 volt solar battery charger is that it also offers various USB ports.
  • On the other end of the spectrum, the Eco Worthy 12 volt solar battery charger is the cheapest option given here. And since it is highly affordable, it has a lower maximum power output accordingly which is rated at 5 watts. That being said, it still supports a large number of battery types like car, motorcycle, boat, and snowmobile batteries. You even get a 1-year long warranty with this 12 volt solar battery charger despite its highly affordable price tag.
  • Even though it is slightly higher than others, the 1.5-year warranty of the Sunsul 12 volt solar battery charger makes it the most reliable and durable option given up above in this listicle. Talking about its performance numbers, it offers a pretty good if not the highest maximum power output of up to 20 watts for fairly fast battery charging speeds. A unique feature of this 12 volt solar battery charger is that other than 12 volt batteries, you can also use it to charge 24 volt batteries if needed.

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