Solar-powered products are energy efficient and used everywhere these days. Solar-powered mobile phone chargers are one of those innovative inventions.
These chargers consist of a solar cell or a group of solar cells that produce electricity from sunlight. These solar cells are similar to those present in the broader solar panels that you see on the roofs of homes.
The best solar-powered phone chargers not only help in the reduction of your electric bill, but they are also environmentally friendly. Finding the best charger is tough because there are a plethora of cheap and unreliable devices that are flooding the market. Moreover, the irregular voltage output of these cheap chargers can harm your smartphone.
It is always better to purchase the best solar cellphone charger that is manufactured by a well-known company. We have put together a list of the most effective and accessible solar phone chargers available.
Best Solar Chargers: Top 20 Picks
1. Anker 21W Dual USB Solar Charger
Anker 21W Dual USB Solar phone charger has been designed to give you the most benefit for the money spent. This best solar phone charger has excellent mobility.
In this case, this solar phone charger is not a power bank. It receives sunlight and converts it into electricity. It then uses this power to charge the devices.
There is no power capacity stored on it. Hence this best solar cell phone charger has to be exposed to sunlight or some source of light, which should be hitting the solar panels for it to charge.
Dual Protected USB Ports
The USB ports are able to output excellent charging speed. Both the USB ports can output 5V/2.4A of charging speed. The max output is 3 Amps. You can also charge tablets like iPads.
As it is not a solar power bank, but it is a solar charger that gets power from solar energy. Hence in terms of design, it is really long and quite heavy. It is 11.1 inches long and 6.3 inches wide. It has a thickness of 1.1 inches. It weighs 14.7 ounces, which are quite heavy.
If you are stationary, you can set it down on the ground where there is sunlight. When you are on the move, you can latch it onto a backpack. This is the best way this solar charger is meant to be used.
You can fold the best solar-powered charger, and it becomes the size of a folder. Thus it is very portable, and you can place it in a bag. This best solar phone charger does not have batteries or some major circuitry. It has a USB port hub and solar panels. Thus there is not much to be protected.
The eye hole rings are made of stainless steel, and the best solar-powered charger is made of rugged polyester.
The reliability of this device will frequently fluctuate depending on whether it is under a source of light or not. However, it is reliable when there is light hitting on the solar panel, and it can produce power from that.
- The Anker Advantage: Join the 50 million+ powered by our leading technology
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2. RavPower Solar Charger 24W Solar Panel with 3 USB Ports
RAVPower 24W solar charger is actually very useful with its use of solar panels and charging ports.
RAVPower chargers perform well as they make use of its four solar panels, which allow them to capture more power due to more coverage of solar rays that hit the solar panel. Thus they provide more charging power for your devices.
The charging is really good, as it has 3 USB charging ports, and that means you can charge three devices at the same time. The individual charging speed of each of the ports is even better.
There is a charging speed of 5V/2.4A of each of the charging port, and there is enough power to charge most USB chargeable devices at their maximum charging speeds.
The maximum output of 4.8A means that you can potentially use two ports at their maximum power at the same time.
If you are charging all three ports with the maximum output of 4.8 A, then each of the ports is able to output a charging capacity of 5V/1.6A, which is pretty good.
The best solar cell phone charger is designed similar to most solar chargers, and it has two main form factors with it being folded and unfolded.
When this charger is unfolded, it is 33 inches long and 11.8 inches wide. It will be a little cumbersome as it is long.
When you are stationary, you can lay the best solar charger flat on the ground, or when you are on the move, you can hook it to your backpack with the help of the Lanyard holes that the solar charger has.
Thus while you are moving, you can still charge your devices.
Reliability and Durability
When this best solar-powered charger is folded, it is much smaller as it is 9.4 inches long and it is 11.8 inches wide, which can fit into a backpack when you are not using it.
The build quality is great, and that is because it uses waterproof Nylon fabric and the Lanyard holes are made of stainless steel so they won’t get rusted even on rainy days while you are on the move.
The RAVPower Solar Charger has a great build and quality and does not overheat when left under the sun. The level of reliability is most reliant on exposure to solar rays.
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3. Battery Tender 12V 830 mA, 15W Solar Battery Charger
Solar chargers like Battery Tender 15W Solar Charger can prove to be the ideal source of power for those who have no access to mains power or those who want to charge up batteries outdoors. This unit consists of the large 12V panel, a built-in 3-step microcontroller, and the connecting wires.
This best portable solar charger has a built-in temperature compensation sensor and an LED indicator for the convenience of the users.
One of the greatest advantages of this model is that it can be used outdoors with ease because it is so durable and can withstand harsh elements. The panel is both spark-proof and waterproof, so there should be few limitations on where it can be mounted.
Waterproof and Spark Proof
The best solar panel charger can be kept out in the wind and rain for long periods without them sustaining any damage, and users have found that it is still able to charge up their batteries with no complaints. In some cases, it even charged bike batteries that were not in usage for a long time.
The charging performance enhances this feature of high reliability. Buyers have been able to use this model in cloudy conditions and still receive a strong charge.
It can provide a full charge to dead batteries in a pretty quick time and then continue to feed the battery for as long as it is required.
Another important advantage that has been mentioned by users is that the system is pretty easy to connect up. According to the specifications, this is the only inbuilt solar panel battery charger that prevents overcharging.
For some, the beauty of this panel is in its simplicity, with just a few wires, and some sunshine, they are able to charge up batteries outside without the need of an extension cord. For others, the appeal goes beyond that to the durability and strong charge in low light.
The Battery Tender solar charger may not have the lead length or the longevity that some are after, but it can provide a great power solution in many situations and has proven to be reliable when it counts.
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- Output: 12 VDC, 830 mAmp DC, 5W max
4. Nektech 21W Portable Solar Panel Charger
The compact design and portability of the Nekteck 21W solar charger is a wonderful and highly efficient solution for hikers who want to remain charged while on the trail.
With dual USB ports, the Nektech keeps your Android, iPhone, and tablets charged whether you are sitting at the kitchen table or you’re on an adventure.
The IC chip built-in helps identify each device that is plugged in. The best portable solar charger also helps to determine the appropriate charging speed (either 2A or 3A), which maximizes overall battery life.
It has a rugged canvas explicitly designed for outdoor use. Sunshine or rain, the Nekteck will be ready to go. It measures 6.3 x 11.1 x 1.96 inches folded or 26.3 x 11.1 inches when open and weighs only 18 ounces.
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5. BigBlue 3 USB Ports 28W Solar Charger
With the BigBlue Solar Charger, you’ll never find yourself off guard having low battery levels on your computer or smartphone, no matter if you’re hiking, tackling adventures, or just negotiating the demands day-to-day.
The best solar USB charger is light in weight, and it is small in size. It weighs just over a pound and can be folded to the size of a magazine. The best solar power charger can more easily fit into a camping backpack, hiking daypack, or emergency kit.
The best solar phone charger 2019 is easy to pack, but its size doesn’t stop it from producing a great deal of power, offering a 21.5 to 23.5 percent of solar efficiency.
Thanks to two 2.4 A ports and one 1A port, you can charge three devices at the same time, and all the ports are covered by a cloth flap and rubber cover to protect them from water or dust damage.
It is compatible with a variety of Android and Apple devices, and the polymer surface protects the entire charger from occasional fog and rain.
It is portable, durable and lightweight. When you encounter cloudy conditions or when hiking under the device will automatically stop, restart once it’s back in the sun.
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- Easy To Carry: With compact size (11.1 × 6.3× 1.3in folded) and lightweight (20.6 oz) design,...
6. Foxelli Triple USB Solar Charger 21W
Foxelli Triple USB is the best solar-powered charger that is a must-have for any outdoor adventure. Charge all your USB powered devices with this convenient, dependable, and highly portable charging station.
Water and Weather-Resistant Fabric
The best solar-powered charger converts up to 24% of solar energy into ready-to-go power for your USB devices. It has enough power to charge up to three devices simultaneously.
This best solar charger automatically detects input needed for connected devices and adjusts the output accordingly to provide the right amount of power.
It quickly charges devices. This best solar phone charger delivers up to 3.5A in total. It is lightweight and has a compact design. It can be easily attached to a tent, backpack, or trees. It has a weatherproof design, and it is highly durable.
Hence never get caught with a dead phone battery ever again! Wherever you are, stay powered up with this handy solar power charger. It is also beneficial to keep it on-hand in case of power outages.
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7. Powoxi Solar Battery Charger Car, 3.3W 12V
This best solar battery charger requires a referral for many reasons. The design is simple, and installing and using it is easy. In truth, by following the instructions, you should be able to accomplish the installation fast. It doesn’t matter if you are new to this.
Secondly, it’s a remarkable unit that works with a solar car and other types of batteries. With one-piece, you’ll be able to run different tasks. This best portable solar charger is not only cost-effective but also time-saving. Thirdly, it works pretty efficiently and effectively.
This best solar battery charger releases 1.8 watts of current, and this will keep the charge at an optimum level, and it will be constant. It won’t cause overcurrent or undercurrent. It will not overcharge. Besides, it helps to preserve the efficiency and also extend the lifespan.
Another advantage of this unit is that it is waterproof, and it comprises a sturdy plastic housing. Thus it is best suited for outdoors. Moreover, the 12-volt unit is long-lasting and doesn’t require lots of regular maintenance.
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8. Suaoki 18V 12V 18W Solar Car Battery Charger
This piece of accessory is one of the best solar battery chargers, and it works well in many situations. The layout, mounting, and using it is simple. It is not a matter of concern if you are brand-new to this. All you need is to follow the instructions that come with it.
The best solar battery charger is very functional and works with a solar vehicle as well as various other kinds of batteries. With one system, you’ll have the ability to work with different options. It produces 18 watts and 18 volts, which is higher than most of its alternatives.
What this implies is that the battery will recharge faster. Moreover, it will be done in a safe manner that will prevent internal damage or shorten its lifespan.
Ability To Charge Gadgets Quickly
It will not overcharge the piece and maintains its coolness even after long operation. It consists of a strong plastic shell, which makes it easy to handle and is also water-resistant for use outdoors.
The 12-volt system is long-lasting. It doesn’t require great deals of routine upkeep. And it weighs only 345g/ 12.49oz, so carrying and transportation will not be a headache.
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9. Eceen Solar Charger Foldable Solar Panel Charger
The Eceen 13W 2-Port is one of the best solar chargers for iPhone at 13W that we’ve seen. The whole piece weighs a mere 9 ounces and measures an inch thick. This makes it exceptionally compact and light.
There is a convenient pouch on the back of the charger that also allows you to store your mobile phone, iPad Mini, and other mobile accessories while you are charging or you are on the move.
There is a simple stand on the back of the device that extends functionality even further, giving you a means for positioning the solar charger in direct sunlight.
For a rate at under $40, Eceen’s model is currently one of the most affordable solar chargers on the market. Please be careful so as to not to lose the rubber coverings that protect the charging ports.
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10. Suner Power 12V Solar Car Battery Charger
The best solar charger converts light energy from the sun into electricity and transports it to rechargeable batteries. The charger will generate electricity as long as there is sufficient sunlight available.
The kit is a solar-powered battery charger and maintainer. It safely charges and maintains Deep Cycle batteries, etc. Also, perfect for any motorcycle, cars, boat, marine, tractor, RV, Powersports, snowmobile, truck, etc.
Rugged and Portable Solar Panel
The best solar battery charger will not overcharge or damage your battery. Moreover, the built-in blocking diode prevents reverse discharge. This best solar battery charger makes sure there is no drain of your battery.
This solar charger is durable and strong. It is covered with premium strong solar glass which could stand high loads, as well as a durable upgraded ABS frame, well built – made to last for years!
The unit is elementary to install even for those who have no previous knowledge about the kit. You just need to plug and play. It is totally environment-friendly with no electricity cost or additional maintenance.
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11. Rockpals 100W Foldable Solar Panel Charger
This best solar panel charger is a four-fold 100W solar panel charger, which can be used with most of the popular solar generators on the market, excluding some Jackery products.
It comes with an adapter kit that consists of a variety of connectors to support different power stations through its included DC port.
They include a 3.5 × 1.35mm adapter for Paxcess power stations, an 8mm DC adapter for Goal Zero Yetis, and a 5.5 × 2.5mm one for Suaoki power stations.
Additionally, it also has three USB ports to recharge your USB devices, including phones, tablets, and cameras, just under the sun.
The best solar charger for iPhone includes a smart chip technology that ensures a safe flow of energy through the USB ports. This will safeguard your USB gadgets from any voltage related issues.
It is capable of monitoring the charging current of all the USB ports and delivering them at the right speeds.
Three USB Ports For Apple/Android Phones
Meanwhile, it is equipped with high-efficiency solar arrays that could offer a conversion of up to 21.5-23.5%. This is indeed a good amount of power to make it one of the nicest 100W folding solar panels.
Moreover, it is made with highly durable Oxford cloth. This best solar charger is superbly perfect for outdoor uses. It is also capable of enduring all-weather conditions, and it is water-resistant. Thus, making it a great choice for use in rough outdoor conditions.
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12. Jackery SolarSaga 60W Solar Panel For Explorer 160/240/500
The SolarSaga 60W solar panel is best suited for adventure travelers and backpackers. It is used for charging other Jackery power stations. It is a foldable solar panel.
As soon as you open the SolarSaga 60W solar panel, you can get a hold of the connection wire through a zip pocket on the back. You can use the best solar panel charger by connecting the wire to your Jackery power station.
The SolarSaga 60W solar panel can be used with the following four Jackery devices which include the Explorer 240, Explorer 160, Honda 200, and Honda 290 power stations.
Lightweight and Portable Design
The SolarSaga 60W is perfectly designed for anyone who is on the lookout for a lightweight solar charger when you are on the go. This solar panel is ideally suited for anyone who belongs to the outdoor community, including weekend trippers or an average camper. It is also a good choice for those who already own other Jackery products.
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13. AllPowers 18V 12V 10W Portable Solar Panel
Allpower 18V Portable Solar Charger has been designed with rapid battery charging in mind. The best solar battery charger comes with alligator clip connectors, suction cups, and a car battery adapter.
If you want to start a car in an emergency, then this solar charger will do the job for you. Unlike some chargers, this one is designed to deliver a rapid charge. It is easy to connect via the cigarette lighter adapter. This is a compact and portable battery charger.
Compact, Portable, And Durable Solar Battery Charger
It’s not a sensible thing to depend solely on this kind of devices for an emergency, but this one does work on a sunny day, to get a dead battery alive enough to turn the engine over, which is more than can be said for a lot of similar charging panels out there.
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14. Arlo Accessory – Solar Panel Charger
Arlo Ultra and Arlo Pro 3 solar panel charger keep your battery charged with direct sunlight. Product dimensions are 5 x 2.9 x 9 inches and it 9.1 ounces. Product’s water-resistant design makes it the most rugged among other product available.
The Arlo Solar Panel has an 8-foot magnetic power cable. It has an adjustable mount that makes installation easy anywhere. The charger has the magnetic inductive charge tip that does not require entry into the housing.
It just sticks to the bottom of the Ultra series ARLO. On sunny days it charges to 100% very quickly. Arlo Accessory – solar panel charger is lightweight and very nice looking.
- Keep your Arlo ultra and Arlo pro 3 camera battery charged with direct sunlight
- Weather resistant design
15. Suner Power [Upgraded] 20 Watts 12V
20 Watts 12V” /]
This best solar panel charger is an ideal solar power kit for a variety of off-grid applications, including cabin, shed, gate opener, etc. where 12V batteries are used as well as maintain and charge RVs, Cars, Boats, Trailer batteries.
It features an intelligent solar charge controller with an optimized charging algorithm and three stages charging, which make the system work more efficiently. It provides full protection and prevents battery from discharge, overcharging, over-voltage, and shover-voltage, etc.
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16. Wildtek Source 21W Waterproof Portable Solar Charger Panel
The Wildtek Source 21w is portable, efficient, and durable. This device has dimensions of 6.6 x 12.4 x 2.2 inches and weighs in a 2.1 pounds.
You can fold the charger into a surprisingly small size and it can be opened wide to allow for maximum access to the sun. It can be easily carried in a backpack and taken wherever you want.
Excels In Charging Efficiency
One of the best things about Wildtek Source 21W is power. It is purely a solar charger and not a power bank. On a beautiful sunny day, it can charge your Galaxy smartphone in just under 3 hours.
The device has dual USB ports. Each gives out 2.4 amps with a maximum total of 3 amps. This best solar charger also has Wildtek’s exclusive SmartCharge technology. The solar panels generate all of the power you get.
This best solar cell phone charger has SunPower’s latest technology and a 24% conversion rate to give you stable and super-fast power. The solar panels are also made from PET, which is a super durable monocrystalline solar cell.
The dual USB ports, along with the solar cells are encased in a rugged polyester cover. The polyester is very durable against scrapes, bumps, and is weather resistant.
In addition, the solar cells are covered with high-quality plastic. This helps to protect the solar cells from any damage that could come to them. The polyester casing also has stainless steel rings at each corner, so you can securely fasten it to your backpack while hiking.
The best features of this device are that it is the first truly waterproof device of its kind. The USB charging ports, solar cells, and case have a waterproof rating of IP65.
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17. Kingsolar Solar Charger 40W Portable Solar Panel Charger
KingSolar 40W folding solar panel is an easy-to-use and plug-and-play solar charger. You can simply unfold it and place it in the sunlight.
Without delay, it will start charging the connected devices. You can connect your gadgets to the included USB and DC ports. Hence, as long as there is a sun in the sky, charging will take place and continue.
Intelligent Design And Efficient Charging Abilities
Indeed, it would be rather lovely to get a power bank with this solar charger. Thus, you can fill it up with solar power during the day and use it to recharge your devices at night or on a cloudy day.
Therefore, with a KingSolar 40W folding solar panel, your next hiking or camping trip will be a superb experience. You could keep using your phone all day listening to music, or surfing the internet with no worry about battery drain.
The KingSolar 40W foldable solar panel will ensure the flow of current to your gadgets all the time. Thanks to the built-in safety measures, it would offer you a safe solar charging experience, indeed.
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18. Kingsolar Solar Charger 21W Portable Solar Panel Charger
KingSolar portable and folding solar panel is a 21W dual-USB charger with a higher solar conversion efficiency. It has an adjustable kickstand, so that you could place it anywhere neatly and enjoy access to unlimited solar power.
This best solar-powered charger is capable of offering a solar conversion efficiency of 23%. This best solar charger has three panels and is indeed easy to handle in the wild.
Getting into a hiking or camping trip, you could just hang it over your backpack and connect your emergency devices to it via the included dual USB ports.
Unique, Durable, And Incredibly Lightweight
Mostly, the KingSolar charger has a controller to ensure a stable flow of power through the USB sockets. So, you could safely connect your gadgets into it with no worry. Apart from phones and other gadgets, you could also use it to charge power banks and other USB storage solutions.
The solar charger is very much durable and easy to use. Made with high-quality materials, it is a durable and waterproof charger. And some of its parts even feature leather. Therefore, you could use it for a lifetime in comfort and with no much wear and damage.
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19. Ryno-Tuff Portable Solar Charger for Camping – 21W
Ryno Tuff makes use of the most efficient Sunpower solar panel cells available. This best solar panel charger converts 21 Watts of solar energy into electricity with a 22%-25% conversion rate.
You can use it to charge power banks, cellphones, tablets, and at the most 5V USB loads. Use it when going hiking, camping, or when you find yourself in any place without sufficient power.
How To Use:
1. You can spread out the solar panels and place them in an area exposed to strong direct sunlight.
2. The solar charger is ready to charge your device when the indicator on the USB output port lights up in red. Connect your device to the cable.
3. Make the panels face towards sunlight vertically to get the maximum solar energy. You can hook them up to your tent or backpack using the included carabiners.
Usually, adventurous people need the toughest equipment. They always want to climb higher and hike further, and they need the solar charger kit to go the distance with them. The only device that can fulfill all these requirements is Ryno Tuff.
The most powerful solar cells of the 21w solar charger can charge your tablet or cell phone in as little as 2 hours. This solar charger can be used to charge Android phones, tablets, iPhones, battery packs and any USB electronic device.
This folding solar panel is lightweight, and when compared to other brands, it is equally powerful.
Unique iSolar Technology With Safety Features
This best solar panel charger charges two devices at once with a unique charging algorithm, which will distribute power in the most efficient way. It will automatically stop charging when fully charged or the device is overheated.
It delivers 2.4 amp per port with a max of 3 amps when both ports are in use. You can also store the devices in the protective pocket while charging.
This solar charger has two carabiners for easy set up on your backpack.
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20. Vitcoco 29W Solar Panel with Dual USB Ports
Vitcoco 29W Waterproof Portable Solar Charger Panel is a fantastic product in the solar cell phone charger category. This makes use of direct sunlight to power the devices.
This best solar cell phone charger comes with a dual USB port, and it also has a 12V DC port, which is really a good choice for anyone who is looking for a solar charger for camping trips or hiking.
Weather and Water-Resistant Fabric
In addition to two USB ports, Vitcoco 29W solar charger also has a 12V DC port, which can charge your digital camera, tablet, stereo, MP4, and other devices.
This best portable solar charger can be used to charge everything you can in your house, including tablets, smartphones, kindle, camera, laptop, power bank, speaker, AirPods, headlamp, and more. It is suitable for any occasion.
They support the charging of both mobile phones and tablets at the same time. This provides the optimal charging current to minimize charging time and also protects the charging devices.
It has a unique screen display design that allows you to visualize the power you are using when using this product.
In comparison to polycrystalline panels, Vitcoco single crystal solar charging panels can achieve greater conversion rates. This best solar charger for iPhone – and it is rugged and durable. They are not easily damaged and have a service life of up to 15 to 25 years.
Vitcoco 29W is a truly good choice if you are looking for a high-quality solar charger. This solar charger has dual ports that enable you to charge a couple of devices simultaneously.
It also has a screen display, so it visualizes the power of the device to you. Vitcoco solar charger is highly durable and can serve you for a really long time.
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Factors To Consider Before Buying A Solar Charger
The solar cell phone chargers provide a simple USB output so that you can plug directly into your phone. Some chargers also include a battery that stores power when the phone is not connected.
There are hundreds of different varieties of solar phone chargers out in the market – ranging from cheap to expensive. They are very useful in cases of emergency or while you are out on a trip.
The charging capacity of a solar charger is something you should check first. You have to look for the wattage of the solar only chargers.
The higher the wattage, the faster your phone will be charged, and it can charge other devices like laptops and tablets. This wattage should be a minimum of 15 W.
Also, look at the capacity of the battery pack for chargers that have the combined facilities of both solar charger and power bank charger. It is denoted in mAh.
With a higher mAh number, it can store more power and will be able to charge your phone for a longer time.
2. Solar Panel Efficiency
Surprisingly all solar panels are not efficient. Most of the solar panels convert just 14% of total solar energy that reaches them. But solar panels that are recently available are becoming much better.
There are best solar chargers that have panels with an efficiency of 23%. Generally, it is better to have a solar charger with higher solar panel efficiency.
3. Number Of Ports
A solar phone charger should have a minimum of two charging ports. If possible, buy a solar-powered phone charger with three ports.
If you happen to have multiple devices or you want to charge someone else’s phone at the same time, these extra USB ports can be very useful. With that, you will be able to charge two or three devices simultaneously.
4. Fast Charging
Generally, go for a solar cell phone charger that has fast-charging technology. Fast charging reduces the charging time even when 2 or 3 devices are plugged in at the same time.
Anker has PowerIQ technology, while RAVPower calls its technology iSmart.
5. Power Input
In terms of power input, there are two types of solar phone chargers. They are those that can be powered by solar energy only and those that can be powered either on solar or a standard power outlet.
Solar only chargers are best suited for hiking and camping. They have higher capacity and efficiency solar panels that can provide enough power to keep your phone charged when you are on a short trip.
6. Integrated Battery Pack
Solar-powered chargers with an integrated battery pack are usually dual input chargers. They are charged mainly through an electrical outlet. They are not the low-capacity solar panels.
If you spend a lot of time traveling, then we recommend a solar-powered charger with an integrated battery pack.
Instead, you can buy a solar-only charger and charge a couple of external battery packs with it to be used when there is no sunshine.
Buy a solar-powered charger that is easy to carry around in your travel bag or backpack. It should have Velcro, hooks, or some way to attach it to your bag while traveling. Any solar charger weighing a pound or more is too much.
If you are outdoors most of the time, the charger you buy must withstand the worst outdoor conditions. This includes water and dust. Check whether the solar-powered charger is proofed from dust and water.
Finally, make sure what accessories the solar charger comes with. It should, at the very least, include one or two USB charging outlets.
Best Solar Chargers – Your pick?
Deciding on the right solar charger can be a challenging task. All are unique in their way. Just keep one thing in mind – that is to match the wattage/mAh to the devices you most frequently will charge.
Purpose of a solar charger is to keep your devices charged and being compatible according to your luggage. Check the size and weight as well, along with the power storage capacity of the solar charger.
It should be compatible with your plans. If you have an oversized charger, it will not help you, particularly if you want the light load on the trail.