Best 12v Solar Battery Charger – Reviews and Guide 2020

Let’s take a dive into the 21st Century where technologies and artificial intelligence dominates the world we know and love. Probably, one of the most advanced and valued invention ever made among them is the solar battery chargers.

An eco-friendly device that not only helps you out in your everyday life but also creates a better environment for the future by not producing any carbon dioxide out in the open.

In order to make your outdoor experiences enjoyable and giving extended life to your battery, you should definitely get yourself the best 12v solar battery charger.

Hence, the sole purpose of this article is to provide you with all the necessary insights and information of this charger so that you can decide which one you should go for!

Do Solar Battery Chargers Really Work?

It works in wonders, but there is just a little catch to it. Since it is a new technology in the market, people tend to get misunderstood with the fact that whether it might or might not work. All of it is justifiable because the device depends entirely on the Sun.

Generally, the solar battery charger siphons the energy from the Sun and transformes that energy into a DC Electricity through a photovoltaic. That electricity is ultimately used in powering and recharging your battery.

Due to this, the whole environment remains completely vibrant and lively without any kind of toxic gases floating around in the air. However, a solar charger truly works in remarkable ways to enhance the lifestyle of the new generation.

10 Best 12v Solar Battery Charger Reviews

Solar energy is rising into the market like a meteor. On the other hand, the 12v solar battery chargers are getting released almost too frequently in the market. This makes decision making twice as tough.

Fortunately, through weeks of researching and undergoing thousands of reviews, we’ve brought it down to the top 10.

1. Battery Tender 021-1163 5W Solar Maintainer with Built-in Super Smart Charging Controller

This is arguably the best solar powered 12 Volt battery charger. This is because of its ease of access and smoothness, which attracts people to be more fascinated towards solar energy.

At the same time, overcharging is probably one of the biggest issues we all face when we decide to purchase a charger.

However, due to the 3-Step Microcontroller inserted in this product, you won’t have to worry about getting over juiced your device. This feature also makes sure that charging is done precisely.

Accordingly, the charger is completely spark proof and waterproof to ensure your outdoor experiences go top notch. It also has a built-in temperature compensation sensor, which controls the charger in delivering accurate energy level to your batteries without causing any damage. So, what more can you ask for?

For additional support, the charger is extremely lightweight. As a result, you are getting portability at its level best. Then again, access of power and space is limited when it comes to using a solar charger. Therefore, this is a major advantage as you are easily being able to maintain the charger and fit it properly.


  • Lasts for a very long time
  • Easy portability
  • Water and spark proof
  • Works even during moderate weather conditions (Sun isn’t completely out)


  • It won’t show results immediately

2. Sunway Solar Car Battery Charger 12V Battery Trickle Charger Maintainer Solar Panel Power Charger Portable Backup For RV Motorcycle Boat Marine Trailer Tractor Powersports Atvs Snowmobile

When you are searching for the words “Powerful” and “Bold”, this solar car battery charger should definitely give hit on your head. In a very sunny day, this thing can charge up to 15 Volts so you can easily judge the amount of juice your batteries will in-take.

The structure of this charger is so ergonomically designed that the power cable makes it all so very easy to work on the installation. From a 12 Volt powered adapter to a direct connection clip, the shift can be done so easily with the power cable. You don’t have to worry much about messing things up in that sense.

What makes it more powerful? The fact that the solar charger is coated with ABS Plastic and Ultra Clear PV Glass. With these materials inserted in this charger, the durability and sturdiness will always be on point, even if you drop it off by accident. Thus, the charger will be able to take some impacts.

One of the best parts about this solar battery charger is the LED Light that’s built inside. Accordingly, while the battery is charging, it has a blue light that keeps on blinking. When it is fully charged, the color will remain still.

Hence, this makes it a very smart feature which will prevent the batteries from getting overcharged.


  • Lenient while using
  • Very strongly designed
  • Useful Charging Indicator
  • Can power up to 15 Volts


  • It’s water resistant, not waterproof

3. ECO-WORTHY 12v  10 Watts Portable Power Solar Panel Backup for Car Boat with Alligator Clip Adapter

If you are looking for a solar powered 12 Volt battery charger that’s absolutely premium in quality, you should look no further. This particular battery charger provides the easiest of operations when it comes to dealing with solar energy. Moreover, the body material is so exquisite that it will last for a pretty long time.

The whole body structure of this charger is designed with rugged aluminum, which makes it resistant from corrosion.

Therefore, it’s not just the outdoor experience you are safe from, in fact, the battery charger will remain firm and sturdy even if you decide to go to a trip on your yacht. In this regard, you don’t have to worry much about inflicting damage to the structure.

Likewise, it is so easy to use. Instead of getting annoyed of it, you’ll rather find more pleasure in using it. To be honest, using a 12 Volt solar battery charger is a tricky task.

Nevertheless, one of the main reason why it is so lenient is because it is very lightweight. You can easily fold it up and port it anywhere you want to.

Lastly, to prevent over-discharge, overcharging, and reverse connections, a PWM solar powered controller is inserted. This feature ensures that your battery doesn’t get overloaded with the power, which can wear out the significance of a battery.


  • Durably constructed
  • Can be mounted on top of a vehicle
  • Light in weight


  • A bit expensive

4. 12v Waterproof Solar Sealed Lead Acid Battery Charger UV87511


This solar car battery charger a must have if you are looking for utmost convenience. It’s formulated with strong elements to ensure you with the best product available in the market. Hence, you are getting something powerful and compact at a very reasonable range.

One of the very best parts of this solar charger is that it’s ultra-lightweight with approximately weighing just over 10 ounces. A perfect product for outdoor experiences when it comes to recharging your car battery. Mostly, who doesn’t love a technology which can be easily carried?

Moving on to its ruggedly built-in structure, it’s so uniquely designed with metallic elements that it is both leak and waterproof. Which means you won’t be facing issues with your charger getting heavily soaked or dealing with impacts that could cause leakages.

Finally, its easy installation part makes the product so much better. With just the usage of screw bolts you will easily be able to fit or mount it anywhere you want too. Accordingly, since it is so lightweight, you are getting more value from this particular solar charger.


  • Easily assembled
  • Versatile and durable
  • Highly Affordable


  • Base structure might feel a bit flimsy

5. ECO-WORTHY 25W 12V IP65 Solar Panel Kit: 25W Off Grid Polycrystalline Solar Panel & Aluminum Battery Clips & 3A Charge Controller


Another product from the same brand makes it to this list. This one is probably one of the most unique battery chargers out there in the horizon. What makes it so special is the fact that it can charge multiple devices at a time. It may be on the pricy side, but this product provides more value than the cost.

The longevity game is super strong with this product, and the everlasting aluminum frames support this claim.

This material not only ensures that the solar battery charger remains strong and durable for a very long time, but it also shows better results in the years to come. 20 years of lifespan to be exact in estimation.

In addition, with the IP65 protection feature applied in this charger, your product will solemnly remain water and dust proof in any kind of weather conditions.

Moreover, due to the aluminum frames, the charger stays strong even against corrosion. Hence, you won’t be facing any trouble while you are out with your friends and family. You can enjoy your day outside.

To top it off, if you want more power in your 12 Volts battery, you can insert the charger in an off-grid inverter to gain the AC energy. This will deliver immense power to your battery which will last for a longer period of time.


  • Long lasting and durable
  • Immense Power delivered
  • Water Proof


  • Highly expensive

6. SUAOKI 18V 12V 18W Solar Car Battery Charger Portable Solar Panel Trickle Charger with Cigarette Lighter Plug, Battery Charging Clip Line for Motorcycle RV Boat Marine Snowmobile

SUAOKI 208108801-01

Interested to buy a portable charger that would not only reduce carbon foot print but also is excellent in conserving energy? Then look no further because the suaki 18v is equipped with all the necessary essentials to meet your demand.

This model is specialized to provide you with 18 watt output, which is much better than the standard 4.5 watt. As mentioned earlier, this equipment can also conserve up to 22.5% energy and does not waste power when the voltage is at low mode.

Many solar panels face this problem where at the lower voltage the battery discharges backwards. However, due to its blocking diode, the suaki is able to eradicate this issue within the solar panel, so the user will not have to worry about setting it up.

The suaki is extremely versatile as it can charge up automobiles, scooters, tractors and other vehicles that run on 18 watt power. It operates under 18v charge and 20 to 65 degree Celsius, which means this is moderate for countries where the sun is out frequently.

It is portable since it weighs only 345 gms. The user can easily set it anywhere such as at window shields without being worried about breaking or bending the bars.

In addition, the device is incredibly easy to maintain as you only have to plug in the cigarette lighter plug to charge the model, no need to have a car motor running to charge your solar panel. It also comes with additional equipment to aid the panel.


  • Premium quality material used to built the circuit
  • Blocking diodes
  • Prevents backward flow of power
  • 18W output
  • Portable
  • User manual available


  • Needs to be unplugged at night
  • Short extension cables

7. Solar Battery Charger Car, 7.5W 12V Solar Trickle Charger for Car Battery, Portable and Waterproof Solar Battery Maintainer, High conversion single crystal silicon Solar Panel car battery charger


If you are tired of built-in lithium batteries and want a solid solar panel that will provide you optimum power without having a deal with anti-reverse charging, you came to the right product review which will assure all of that.

With the incredible features like converting light energy into electric energy, this model is heavily reliable for bringing the spark. The monocrystalline panels lined by silicon molds are responsible for converting energies. It also increases the conversion rate by 20%.

It is a common concern that the solar panels need to be highly durable and can endure extreme heat without catching fire. That is why this model ensures sustainable elements such as extremely transparent iron tempered glass which can resist and withstand heat and strong wind.

These features allow the solar panel to be mounted outside without giving any short circuit. The rechargeable 12v solar panel is also extremely easy to maintain as you can use the alligator clips and the cigar lighters to charge it up.

Likewise, reverse draining is a big issue with solar panels, which is not the case with this particular model. The built-in diode prevents the backward discharge using the trickle charge car battery method.

Accordingly, to give a heads up the model also signals through flashes of blue light to inform that the panel is charging. All these features truly make this model a complete purchase.


  • Blue indicator light for charging
  • Built-in diodes for preventing discharge
  • CE/ROH certified
  • Durable body
  • Can resist extreme heat and wind
  • Increases conversion rate by 20%


  • Tricky connection

8. ACOPOWER HY010-12M 10 Watt 10W Mono Solar Panel for 12V Battery Charging RV Boat, Off Grid 


Having trouble installing your new solar panel and wish it could have been an easy process? Are the tricky instruction manual and extension cables giving you a nightmare? Then we have the perfect package for you that can be used from the get to go and will not be pain to work with!

The acopower is highly advisable for users who are looking for easy installation and efficiency because the 90 cm quick cable connectors and some calculated drills are all you need to set up this device. It is super fast and convenient, and any user will be able to mount the device.

Talking about efficiency, this model can provide up to 10 watts of output using the monocrystalline solar arrangement. However, if 10 watts is not enough, there are options to get more output with similar features.

For example, there is acopwer 20 watt, and 30 watt to fulfill your need for more output. It converts photovoltaic energy into sustainable power that can run various electrical appliances.

However, it is an excellent candidate for outdoor solar panel, thanks to its strong built. It can withstand tremendous wind and even heavy showers of snow.

Nevertheless, this does not mean that the device is extremely heavy because it is still lightweight and portable. It is built with an aluminum frame, and for safety measures, it has 3.2 mm of thick glass coating and a waterproof display. Convenience and safety wrapped up in one device that is the acopower.


  • Extremely easy installation
  • Can withstand 2400PA of strong wind
  • Can resist heavy snow fall
  • 10 watt output
  • Water resistant
  • Aluminum frame and light weight
  • 3.2 mm thick glass coating
  • Versatile


  • Does not have a blocking diode
  • Very small junction box

9. Mighty Max Battery 10 Watt Polycrystalline Solar Panel Charger for Deep Cycle Battery Brand Product 

Mighty Max Battery

Just as the name suggests, the mighty max is mighty with its superior output capacity and meticulously built exterior. This will surely satisfy all your demands from a solar panel. Mighty max also has other impressive features tucked in its belt which you would want to know about.

The model is a 13 by 10 inches standard-sized solar panel which will fit in effortlessly and also has a superior junction box. The alligator cables on this model are 6.5 foot long. That will make it convenient to charge the solar panel. Overall, the standard size is perfect for fitting in a residential home.

Accordingly, mighty max is strong, thanks to its durable ultra lightweight aluminum frame, which not only gives it strength but also makes it portable. It also increases conductivity with photo crystalline technology to produce an optimum of 10 watt output, which is perfect for feeding the need of home appliances.

Furthermore, the model is designed to charge motor RVs, camera batteries, electric gates, and so on. Charging the panel itself is also a piece of cake as all you need are the alligator cables provided with purchase.

However, the back of the model has pre-drilled holes so all you have to do is mount the device on your desired place and you are good to go.


  • Pre drilled holes
  • Aluminum frame
  • 10 watt power output
  • 6.5 foot alligator wire
  • Portable and lightweight
  • Versatile in charging home and outdoor appliances
  • Uses photovoltaic technology


  • Using a charger controller is a must

10. SUPER POWER 12V Solar Car Battery Charger & Maintainer - Portable 6W Solar Panel Trickle Charging Kit for Automotive, Motorcycle, Boat, Marine, RV, Trailer, Powersports, Snowmobile, etc. 


Are you on the hunt for the best portable solar panel that not only ensures proper usage of space but also provides optimum output? Then good news for you because the superpower 12v is equipped with extremely portable and handy features which allow you to charge the device anywhere..

Making convenient alternatives for the users is always a concern for superpower 12v. In this regard, they have one-way connector that eliminates the need to figure out the positive and negative ends.

This is called the universal golden finger connect. It can be charged anywhere as it converts the sunlight into direct current and also prevents reverse discharge.

Accordingly, the diodes allow stopping the trickle of power backwards, which makes this device incredibly efficient. This also saves energy for future use.

Moreover, the model is also durable and strong because of the way it is built. It features premium quality solar glass, which can handle extreme heat and convert the light into electricity. The strong ABS frame also increases the lifetime of the superpower 12v.

Likewise, it is straightforward to maintain and look after because of the convenient features such as interchangeable clamps, 4 suction cups, cigarette lighter charger, etc.


  • Easy maintenance
  • Interchangeable clamps and suction cups are available
  • ABS aluminum frame
  • Strong glass coating
  • Blocking diodes available


  • Output capacity drains out over time

What Makes a Good 12v Solar Battery Charger

Of course 12v solar chargers are one of the best in the market but these chargers must have some features that would make them outstanding and dependable. Features such as preserving energy and being able to work in extreme conditions.

Built It Diode

Solar panels are designed to charge up the appliances by converting the photo voltaic energy into electrical energy. They ensure that the appliances get optimum power and not over charged. The same methodology is used for 12v chargers where reverse discharge takes place. The incorrect insertion of 12v battery can cause to overflow or trickle backwards. This is why diodes are built in the battery chargers which prevent the trickledown effect and protects the chargers.

Sustainable Built

The solar panels are usually mounted outside where they is plenty of light and wind that can be converted into other forms of energy. This means the chargers need to be able to withstand tremendous weather and still give optimum result. The best panel chargers are light weight and portable.

Light weight chargers will not impact the surface it has been mounted on and will also be easy to install and maintain. Good panel chargers are durable and have aluminum or iron coating that protects it from strong wind current, heavy snow and rainfall. The thick glass coating also absorbs extreme heat and prevents from catching fire.

Charger Controllers

A standard and efficient panel charger such as the solar car battery charger will provide an output of 10 watt and even more. In such cases the device should have a controller as it can give a plethora of benefits. A controller acts as a switch which can stop overflow of power, overheating and also improve charge quality.

Solar Panel Charger Size

The size of these devices is important to take into consideration as it can impact the overall out you can gain from them. Using a solar panel calculator you can determine the total amount of consumption you will incur and the size that you will need.


Good solar panel chargers will have easier access to charge the devices. This is why there are cigarette lighter chargers which can be easily connected to alligator clamps and junction box to make it more convenient for users. Some panels also have indicator options that allow the user to know when the device is charging.

Frequently Asked Questions

Q. Can the Solar Panel Chargers Power Up Lithium Batteries?

The panels are not designed to charge lithium batteries.

Q. When is a Charger Controller Absolutely Necessary?

If the panel gives an output of more than 10 watt and does not have built-in diode, a controller charger will be needed to maintain the flow of charge.

Q. Are the 12v Panels Strong Enough for Outdoor?

The 12v panels with its heavy glass coating and durable built can withstand wind, snow, and rain.

Q. Can the Solar Panels Charge Up RVs?

10 watt and more output panels are suitable to charge up RVs.

Final Verdict

It is high time to start thinking about the carbon footprint we leave behind. Thanks to the innovations like 12v solar battery charger. We are one step towards creating a better and greener world.

Now, with the help of this review, you can decide for yourself which device you want to settle on, and identify a better way to use renewable energy other than to run all the electrical appliances!

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