10 Best Solar Trickle Chargers & Their Reviews (Updated 2019)

Do you have a vehicle that is rarely used? And are looking for a way to keep your battery from going dead?

There is a simple solution to your problem – Solar trickle charger.

It uses the sun’s energy to keep your battery from discharging, so wherever there is the sun, your battery is going to be charging. Also, it’s 100% green, so you’ll also be saving the environment.

A solar trickle charger can be easily installed in your off-season vehicle with no professional help and would increase your battery’s natural life and efficiency.

With that said, let’s get started. Here’s a list of the 10 best solar trickle chargers and their reviews for 2019.

1. POWOXI Solar Trickle Charger

If you’re looking for an inexpensive solution, then this is the best inexpensive solar trickle charger out there. POWOXI Solar Trickle Charger uses light energy from the sun to supply a 12V DC electricity to the rechargeable battery.

Worried about not enough charge on cloudy days or spoiling the charger in the rain? With the help of amorphous solar technology, you can enjoy powerful charging even in cloudy weather conditions and the solar panels are waterproof, so you don’t need to worry about the solar charger getting damaged in the rain.

This solar charger is best suitable for maintaining the charge of any car, truck, motorcycles, ATVs, marine tractors, snowmobiles, boats, and personal watercraft.

The reverse protection is installed in the solar battery charger to prevent draining of the battery when there is no daylight.

It’s made from heavy-duty plastic housing and weather resistant solar panels and will work for a long time without any problem. This charger is certified with CE/ROHS certifications and comes with a free 12-month warranty. Overall this is an excellent buy at a low cost.

Pros & Benefits:
  • Reverse Protection to prevent reverse discharge
  • Waterproof – Rated at IP65
  • UV resistant

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2. SUNER POWER Solar Car Battery Charger

Love to go hunting or camping? The Suner Power Solar Car Charger is what you need to take with you. With the premium strong solar glass as well as upgraded durable ABS frame that can withstand high loads and give a long life, it’s made to charge anywhere and everywhere.

The solar charger has highly efficient crystalline solar panels that allow absorbing of a broader spectrum of the daylight. It can be used for Gel, SLA, AGM, Wet and Deep Cycle batteries. Perfect for any car, boat, marine, tractor, and RV.

Are you worried about overcharging your battery? This solar panel takes care of it with a built-in function that will not damage or overcharge your battery and also at the same time, the blocking diode will prevent reverse discharge, so there is no draining of your battery ever.

The installation is easy and straightforward. Just mount the solar charger using the four suction cups provided and plug the wire in the cigarette lighter socket. That’s it.

You can also directly connect the solar charger to the battery using the multiple cable end options and battery clamps provided.

The solar charger comes with a quick one-way connector, so you don’t have to keep finding which side should go where. Along with the connector, two interchangeable clamps are provided for greater usability.

Pros & Benefits:
  • One-way Quick Connector
  • Durable & strong
  • Easy and simple installation

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3. Sunway Solar Car Battery Trickle Charger

If you use theft and interlock devices that drains all of your battery away, Sunway Solar Car Battery Trickle Charger can save your life. It mounts easily to the dashboard or the windshield and comfortably fits into your 12-volt cigarette lighter. That’s it. It’s ready to charge!

Automotive batteries naturally discharge when not in use, even a brand new battery will require a jump start if not used regularly, that’s why it’s so important to use a solar charger.

Sunway is known for its quick customer support and eco-friendly products to help you save your battery’s life.

The solar charger is protected with ABS durable plastic housing which makes it stronger than most solar chargers and it’s also IP44 weatherproof, providing protecting against splash of water but still not enough to take it out on rainy days.

The best feature of this solar charger is the blue blinking LED charge indicator, so you know when your battery is charging, and if you’re worried about overcharging your battery, this solar charger will indicate when your battery is charged so that you can unplug the charger.

It comes with a long cord, multiple connections and suction cups, making it simple and easy to install. This solar charger uses 1.5W amorphous solar panel that works in cloudy days and comes with a 12-Month Warranty.

Pros & Benefits:
  • LED charge indicator
  • Quick Customer Support
  • Weatherproof

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4. Battery Tender Solar Maintainer with Built-in Super Smart Charging Controller

Battery Tender Solar Charger is a beast when it comes to solar chargers while also being one of the most expensive ones.

It has a built-in super smart charging controller with a three-step micro-controller for precise charging that makes sure your battery isn’t being damaged or overcharged.

This solar charger is the only one which mounts a controller onto the solar panel frame. The controller stores the solar energy into a ‘smart’ charge which allows it to limit the voltages, making it spark-proof and at the same time extending the battery’s life.

Also, the controller is filled with epoxy, giving it the best protection against all weather conditions. The dimensions are 14 X 16 X 1 inch, weighing about 3 pounds. It’s one of the bulkier solar chargers in the market while providing waterproof protection for outdoor installations.

It provides an output of 12 VDC, 270 mAmp DC, 5W max for battery charging which is great for outdoor use, all-terrain vehicles, and off-road motorcycle. The solar charger has an easy, do-it-yourself installation that can be completed in a few minutes.

The Battery Tender Solar chargers can be used in temperatures ranging from 120 degrees down to 20 degrees below zero Fahrenheit, making it the best solar charger for places with extreme weather.

The 5W solar panel is waterproof and has a temperature compensation that’s a built-in sensor to keep everything perfect.

Pros & Benefits:
  • Reverse polarity protection
  • Micro-controller for super-smart charging
  • Spark-proof and CE approved

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5. SUAOKI Solar Car Battery Charger

If you have a seasonal vehicle that sits in your garage for months without being used, SUAOKI Solar Car Battery Charger will help you keep your battery as fresh as the day you left it.

It’s perfect for maintaining the battery of motorcycle, tractors, automobile, and snowmobile.

The solar charger is made of both – heat and water resistant material, which provides you, all year long protection. Even though it only weighs 345g/12.49oz, making it easy to carry, the lifespan is more than other solar battery chargers.

They provide a premium quality solar panel with a high solar cell efficiency of 22.5% and 18W output, which may not seem like much, but it’s superior to most of the products in the market. It includes two ways of charging, using crocodile clips or cigarette lighter plug.

By using the cigarette lighter plug, there is no need to open the car hood every time you want to disconnect the solar charger. Mount the solar charger inside your vehicle facing the sun, insert the cable into the plug, and your battery will start charging. You can disconnect the solar charger by unplugging the cable.

It’s a great product for off-season vehicle. Using the extra long cables given with solar charger, it’s easy to attach it anywhere in the vehicle, especially necessary when being used on a boat.

Added with an 18-month warranty on their solar car battery charger, you can’t go wrong with this product.

Pros & Benefits:
  • Two ways of charging
  • High solar cell efficiency
  • Sleek and unique design

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6. Sunforce Solar Battery Trickle Charger

Sunforce Solar Battery Trickle Charger features a sturdy and durable aluminum frame. The solar panel uses amorphous solar cells that provide charging in all daylight conditions and even on overcast and cloudy days.

It has an easy installation procedure using one of the two methods. One way is by using the 12-volt cigarette lighter socket and mounting the panel on the windshield or the dashboard facing the sun.

Another way is to use the crocodile clamps to connect the solar battery charger directly to the battery but make sure to locate the +ve and -ve correctly while installing using this method.

The weather is always unpredictable, but you can’t let it stop you and your road trips. The Sunforce Solar Battery Trickle Charger is weatherproof, so it doesn’t matter what the weather is, your vehicle’s battery will always be ready.

It has an operating temperature of -40 to 176 degrees Fahrenheit. This makes it an excellent choice for RVs, trucks, tractors, electric fences, boats, trucks, and other things. The design is compact and portable, easy to take it with you anywhere in the world.

Pros & Benefits:
  • Weatherproof
  • Durable and sturdy aluminum frame
  • Large operating temperature

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7. Schumacher Solar Battery Maintainer


Modern vehicles have 25+ body control modules (computers), immobilizers, alarm systems, and lock monitoring system. All of these units consume electricity from the battery. That’s why in a week or two with little vehicle use, the battery can become discharged.

Schumacher Solar Battery Maintainer harnesses the power of the sun to trickle charge your battery of 12V. The water-resistant solar panel uses amorphous solar technology, so you don’t have to worry about it working even on cloudy days.

Schumacher is known for its efforts to reduce eco-footprints by actively expanding the use of recycled and recovered components, materials, and parts in their manufacturing process.

By using recycled batteries, metals, plastics, and parts, they avoid adding these items into the landfills and reducing the environmental impact.

The solar charger is environmentally safe and requires minimal maintenance. With its dimensions – 11 x 2 x 20 inches, it weighs around 2.4 pounds and is an excellent choice for cars, motorcycles, boats, trucks, RVs, snowmobiles and other things as well.

Since the charger gives out only 2.4W, there is no need to worry about overcharging a car battery though you need to unplug the charger from the power outlet before starting the car to avoid sending power back to the solar battery charger.

Pros & Benefits:
  • Water-resistant
  • Amorphous solar technology.
  • Environmental friendly

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8. ECO-WORTHY Portable Power Solar Panel


When you disconnect your battery to avoid discharging when not using for longer periods, you also lose the computer memory, that includes “smog test memory” too. And if you have a state smog check coming up soon, it’s the last thing you want to do as the car needs to be driven for quite a while to reset the memory.

The ECO-WORTHY Portable Power Solar Panel comes in a sturdy pouch and is suitable for vehicles in outdoor work, travel and camping training. The lightweight, maintenance-free, easy to install features make it an excellent buy.

Some manufacturers use cheap quality material that becomes “warped” from being in the sun for long. ECO-WORTHY uses the best material & unique design to provide 10W charging always. Also, the special design of clips prevents a short circuit from happening.

The plug comes with a blinking LED indicator, which can be easily seen from the outside, so you don’t have to take out your multimeter to check if the charger is working or not.

It provides the highest amperes of wattage for vehicles when compared to other similar products, that’s as much as a regular AC-powered trickle charger.

Not only this, with some additional cables, the solar charger can convert into USB solar charger, charging all of your electronic equipment. The mounting can be done using the four pieces of PVC suction cup provided.

The two-meter long cables make it easy to mount it anywhere you want.

Pros & Benefits:
  • LED indicator
  • Built-in blocking diode
  • Shockproof, rust-proof and dust-proof

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9. ALLPOWERS Portable Solar Car Battery Charger

If you have a dark tint on your windshield and are worried if the solar charger would be able to absorb any energy, then this product is for you.

ALLPOWERS Portable Solar Car Battery Charger works even with dark tint on your windshield to provide an output of 18V. The package includes an instruction manual, battery charger, cigarette lighter plug, four suction cups, and clip line.

While regularly drivers don’t have the issue of a dead battery, people who don’t drive much have their car sit idle for weeks at a time. Calling a mechanic or jump-starting the vehicle can be avoided by using a solar charger.

ALLPOWERS Portable Solar Car Battery Charger uses a mono-crystalline silicon panel to absorb energy in all daylight conditions, while it’s weatherproof, it can’t handle being in the rain for long.

The blocking diode doesn’t allow the charge to flow from the battery to the charger at night so that you can keep the leave the charger day and night in the car with no issues.

The green LED indicator is the best feature of this product, it blinks whenever the battery is charging. The solar charger comes with an 18-month warranty and the best customer service.

Pros & Benefits:
  • Durability
  • Weatherproof
  • Excellent customer service

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10. Mighty Max Battery Polycrystalline Solar Panel

This product is for people who love adventure, hiking, family picnic, camping, and outdoor activities. The strength and capability to withstand rain, heavy snow, and strong wind load makes it portable and useful for the off-grid system on the road.

The Mighty Max Solar Battery Charger uses a polycrystalline solar panel to provide a power of about 10W – 12V. They offer a sleek design with a compact body and set of 6 alligator foot clips that come directly from the panel.

Solar cells based on photovoltaic provide high-efficiency when accompanied by a strong aluminum frame, making it the go-to solar charger for all the buyers. It can also be helpful during a shortage of power or in times of emergency.

The pre-drilled holes on the back of the panel help in the fast and secure mounting of the solar battery charger. You can easily install and use it right away, no professionals or extra effort needed.

Dimensions of the solar charger are 13.75 x 10  x .75 inch, weighing about 2.5 pounds. It’s easy to carry and fit anywhere, no large space is needed, and the integrated blocking diode protects the battery from overcharging and discharging at night.

Pros & Benefits:
  • Strong aluminum frame
  • Portable and lightweight
  • Polycrystalline solar panel

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Final Thoughts

Every one of these is a great buy and will keep your seasonal vehicle’s battery as fresh as you left it.

They are made from durable material that can withstand different weather conditions. By using a solar trickle battery charger, you won’t have to look for a charging socket anymore, the only need is the sun to charge your battery.

Investing in a solar trickle battery charger will not only reduce your electricity cost but will also help in reducing energy usage for our planet. With the ease of installation and long life, no wonder everyone is buying them.

We hope you have enjoyed this list of the 10 best solar trickle chargers and their reviews for 2019. See one that’s not on this list and needs to be? Let’s know down below.

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