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Solar Charger

The Best Portable Solar Charger to Keep Your Cell Phone Battery Full

The sun is our greatest source of energy. Solar energy can be converted into thermal or electrical energy. Over the last decade, the solar market in the United States has grown at an average rate of 49% each year. Solar battery chargers are a great way to make sure your mobile phone is fully charged wherever you are in the world.

Name Picture Price Best Feature Our Rating Best Price
BigBlue 3 USB Ports 28W Solar Charger $$ Efficient charging and we love the smart charging feature 9.6/10 See Current Price
Nekteck 21W Portable Solar Panel Charger $$ Good conversion rate and lightweight tri-fold design 9.5/10 See Current Price
Voltaic Systems Arc 20 Watt Rapid Solar Laptop Charger, 24,000mAh $$$ Lightweight comes with a battery pack that charges a cell-phone is 1 hour. The best package on the market, just more expensive 9.8/10 See Current Price
Blavor Solar Power Bank $ Packs a lot of power for a small size 9.2/10 See Current Price
FEELLE Solar Power Bank and Solar 24000mAh $ Small size and charges 2 devices at the same time 9.4/10 See Current Price

What is a Portable Solar Charger?

A solar charger uses solar energy from the sun to supply electricity to devices or batteries. Solar chargers for mobile phones are compact and portable. They’re easy to bring with you on the go. A charger gives you the security of a fully charged mobile device anywhere you go.

What are the Benefits of using a Portable Solar Charger?

The Best Portable Solar Chargers for Eco-Friendly PowerA solar charger gives you the flexibility to bring an electrical source with you wherever you go. Having a portable solar charger gives you the feeling of security knowing that your mobile device, cell phone, tablet, digital camera, etc., will be charged. Whether you’re on top of a mountain, in the middle of the office, or in your backyard, you’ll have access to electrical power even without access to a power outlet. All you need is the sun.

How Solar Chargers Work

How to Use a Portable Solar Charger

  • For the best results, try to use your solar charger in full sunlight. 
  • The solar cells will convert the most solar energy when they face the sun directly, not at an angle.
  • Some phones (mostly iPhones) will stop charging if the output gets too low. This happens if the solar panel is temporarily shaded. Once the charging stops you might have to unplug the device and plug it in again for the charging to start. 
  • Always try to keep your solar panels clean and scratch-free. Dirt and scratches will reduce the amount of solar energy converted.

What to Look for When Purchasing a Solar Charger

Some things to consider before purchasing a solar charger are weight, size, charging speed, and durability. Weight and size are very important since it’s a product designed to be taken on the go. The charging speed will vary depending on the size of the charger; the bigger the charger the faster the charging speed and vice versa.

FAQ About Solar Chargers

How Many Devices Can you Charge at Once?

This is all depends on the individual charger itself and how many USB or charging ports it has. Our clear favorite, the Big Blue 3, has 3 USB ports for simultaneous charging. 

How Long Does it Take To Charge a Cell Phone with a Solar Charger?

Again, this various based on the size of the solar panel and the amount of direct sunlight. Some can charge a cell phone with a few hours and some it may take up to 6-8 hours. We do recommend connect your solar charger to a portable power station to store the energy and charge electronics faster.

Does a Solar Charger Work on Cloudy Days? 

Yep, solar chargers work on coudy days, although not at the same level. Some estimates report that solar chargers work at 10-25% of their normal capacity on full cloudy days.

Can You Charge a Laptop on a Solar Charger?

Yes, although you have to make sure of a few things. That the charger is large enough to produce enough energy and that the laptop charger is compatible with the solar charger. Be sure to check before buying.

Do Solar Chargers Work At Night?

No, a solar charger does not work at night and does require sunlight to work properly. With that being said, you can use a charger during the day to charge a power bank and then use that generated electricity at night.

The Best Solar Charger for Small Electronics

BigBlue 3 USB Ports 28W Solar Charger

Summary: Bigblue is highly efficient, extremely portable, durable, and reasonably priced. It provides 3 USB ports for extra convenience in charging your devices. The 3 USB ports offer a total current at 5V/4.8A Max. It has CE, FCC, and RoHS certifications. The ports are protected from dust and water damage thanks to a cloth flap and rubber cover.

Pros: The BigBlue is offered at a reasonable price, is of high quality, offers durability, and a warranty.

Cons: This solar charger is a little bulky, so it’s not the ideal charger for everyday on-the-go use.

Big Blue Portable Solar Charger

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Nekteck 21W Portable Solar Panel Charger

Summary: The Nekteck 21W charger is a smart solution developed to give you portable solar energy rapidly to charge your phone. The three high-efficiency panels are derived from SunPower Maxeon technology, which converts enough power to charge two devices using its dual USB 5V power output.

Pros: The durability, efficiency, and size of this charger make it an excellent choice. 

Cons: The charging life is a little short, requiring frequent exposure to full sunlight to recharge.

Nekteck Portable Solar Charger

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Voltaic Systems Arc 20 Watt Rapid Solar Laptop Charger, 24,000mAh

Summary: Compact and powerful, the Arc 20 Watt Solar Laptop Charger powers your laptops (including MacBooks with optional adapter), DSLRs, smartphones, and other USB devices. This versatile system easily attaches to your pack and folds up neatly for storage when traveling. 

Pros: The charging power, efficiency, device compatibility, and warranty accompanying this charger are all impressive. 

Cons: This device is not the most durable and is a little on the bulky side.

Voltaic Portable Solar charger and battery pack

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Blavor Solar Power Bank

Summary: The Blavor Solar Power Bank offers fast charging technology. With it, you can charge your phone with max 9V=2A/12V=1.5A/18W charging power. It also features a flashlight and built-in compass for multi-functionality making it a perfect addition to your camping or hiking gear.  

Pros: This charger offers great portability, it’s lightweight and versatile. 

Cons: The charging power is a little unimpressive.

Blavor Solar Power Bank and flashlight

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FEELLE Solar Power Bank and Charger 24000mAh

Summary:  This portable Solar charger has 3 highly efficient solar panels for a quick recharge. It comes with a built-in Eco-friendly 24000mAh Li-Polymer battery. the phone battery can fully charge an iPhone up to 10 times depending on the model or an ipad Air 3 times. Dual charging ports offer 2.1A high-speed charging for 2 devices simultaneously. The USB ports are waterproof, shockproof, and dustproof, making it perfect for outdoor activity.

Pros: Customers sang praises for the charging power and portability of this device. 

Cons: It does not seem very durable.

Feelle Soloar Power Bank and Charger

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Key Takeaways

A portable solar charger is a must-have for those who enjoy the outdoors. We travel with all types of devices – cell phones, tablets, cameras, etc. – which require a reliable power source to function. A portable solar charger gives you the security of having power no matter where you find yourself.

 

Works Referenced: 

https://www.seia.org/initiatives/about-solar-energy

https://www.nrel.gov/docs/fy19osti/73992.pdf

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