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The best solar backpacks are great gear that can make your electronic equipment ultimately charged wherever you are. Honestly speaking, I regard them as one of the best inventions in history.

The most significant benefit of these backpacks is the ability to convert green energy into electricity used for charging your devices when you are not near power outlets.

They play a vital role in helping you have the best time in any hiking or camping experience. Furthermore, let’s imagine how scared you will be if you find yourself in emergency situations and don’t have any communication tools except a dead phone battery.

From useful features which this gear can bring, I have compiled a list of the top 15 best solar backpacks along with lots of necessary knowledge to guide you to avoid going for the wrong choice.

The Best Solar Backpacks for Travelers in 2021

A number of solar bags that pose as the best options may not be suitable for you. Let’s check the outstanding features of the best solar backpacks in my following list.

• Best Overall: Sunnybag Iconic Solar Portable Backpack
  “Ergonomic design, CORDURA fabric, rain cover included.”
• Best Budget: Voltaic Array Rapid Solar Backpack
  “24,000 mAh external power bank, a sternum belt, monocrystalline solar panels.”
• Best Rated: ECEEN 7W Solar Backpack
  “Removable solar cells, regular and micro USB port, PVC material.”
• Best for Emergency: HAWEEL External Frame 7W Solar Backpack
  “Adjustable chest strap, top carry handle, bottom anti-slip pad.”
• Best Waterproof Solar Backpack: FARAZ
  “User-friendly design, excellently ventilated back panel, zipper closure.”
• Best for Camping: SUNKINGDOM Anti-Theft Solar Backpack
  “12 watts power output, one internal USB port, metal zippers.”
• Best for Hiking: ECEEN Foldable Solar Backpack
  “Portable solar collectors, nylon and polyester fabric, 30 liters capacity.”
• Best for Travel: XTPower Hiking Solar Backpack
  “Weights only 1.8 lbs, 46 liters backpack, fits a 17 inches laptop.”
• Best Value for the Money: ECEEN High Efficiency Solar Backpack
  “Anti-theft design, 7 inner small pockets, carry-on size.”
• Best Durable: Kingsons Beam Anti-Theft Solar Power Backpack
  “Thick padding in the back panel, adjustable shoulder straps, zippered side pockets.”
• Best Lightweight: EnerPlex Packr Executive Solar Powered Backpack
  “Three compartments, an internal elastic band, dual zippers.”
• Best Comfortable: Voltaic Solar Converter Backpack
  “A battery pack included, fully padded laptop compartment, multipurpose pockets.”
• Best Fashionable: XD Design Bobby Tech Anti-Theft Backpack
  “Three adjustable internal dividers, eco-friendly fabric, wireless charging pad.”
• Best Quality: Birksun Solar Backpack
  “Durable exterior, leather handles, strengthened cross-stitching.”

Comparison of Top 15 Best Solar Backpacks 2021

The table below compares some of the best solar backpacks available at the moment. If you’re in a hurry, you can use the helpful information it provides as a reference.

The 15 Best Solar Backpacks 2021 Reviews

It’s time for the most exciting part! Have you decided which one is the best solar backpack to invest in? Well, delve into my in-depth reviews, and you will find your answer.

1. Sunnybag Iconic Solar Portable Backpack

(Best Overall – Editor’s Choice)

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The Sunnybag Iconic is an ergonomic backpack which can be used every day and for outdoor activities. Although it is made from waterproof CORDURA fabric, it still includes a rain cover to bring maximum heavy rain protection.

Despite the modest capacity of only 20 liters, the backpack contains up to 14 pockets to meet your storage requirements. Besides, there are two padded compartments to prevent your laptop and tablet from damaging external effects.

One selling point of the Sunnybag Iconic is that it features the most substantial solar panels on the market. Thanks to the 7-watt power output and 22.4% efficiency, these solar cells can charge your mobile phone in two hours through an integrated USB port.

Additionally, the backpack’s design supports wireless charging and enables it to be compatible with different devices, including digital cameras, smartwatches, power banks, etc.

Key Features:

• Ergonomic design
• CORDURA fabric
• Rain cover
• 20 liters capacity
• 14 pouches
• Two padded compartments
• 7 watts of power output
• 4% efficiency solar panels
• Wireless charging

Product Specifications:

See Also: Top 15 Best Roll Top Backpacks for Travel

2. Voltaic Array Rapid Solar Backpack

(Best Budget)

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The Voltaic Array Rapid Solar Backpack’s external power bank has a battery capacity of up to 24,000 mAh. This makes your phone be wholly charged in one hour, and sounds pretty attractive to most travelers.

The Voltaic Array Backpack features high-performance solar panels made from monocrystalline – a durable material enabling them to withstand rigorous conditions.

These solar cells are built into the backpack so you can quickly charge your electronic devices via a USB or USB Type C port while traveling. Besides, they are warranted in two years, so you can feel secure to use them.

The Voltaic Array is environmentally responsible because its UV-resistant fabric is made from 33 recycled soda bottles. Moreover, there is a sternum strap which contributes to making your pack more lightweight and compact. The belt also helps to ensure stability for your move.

Key Features:

• 24,000 mAh external power bank
• USB, USB Type-C port
• Monocrystalline solar panels
• Eco-friendly fabric
• A sternum belt
• Fits a 15 inches laptop

Product Specifications:

3. ECEEN 7W Solar Backpack

(Best Rated)

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The ECEEN 7W Backpack’s solar cells made in the USA with 22% transfer efficiency won’t let you down due to its durability. That’s because it’s able to scratch resistance as well as be built-in a weatherproof PVC exterior.

One appealing aspect of the ECEEN I like best is its removable solar panels since they bring flexibility in use for travelers. This means that you can wear the backpack as a school bag daily when moving around the city.

In case you travel to a far-off destination which is not convenient for charging electronics, just hang the solar cells on and start your journey.

Key Features:

• Removable solar panels
• Regular and micro USB cable
• PVC material
• Lightweight backpack
• Reinforced stress points
• Multi compartments

Product Specifications:

4. HAWEEL External Frame 7W Solar Backpack

(Best for Emergency)

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Premium comfort is the top priority of the manufacturer of the HAWEEL External Frame 7W Solar Backpack. It contains adjustable chest straps plus padded shoulder straps that reduce loads up to 20-25%.

Hence, you will feel painless on your shoulder even though you have worn the HAWEEL Backpack all day. Also, the top carry handle is solid and durable, while the bottom pad’s anti-slip design provides travelers different carrying options.

Furthermore, the backpack’s large capacity can make you surprised because it offers you more space than you expect. Its roomy compartment is suitable for your laptop, book, clothes. Meanwhile, handy items such as umbrellas should be placed in two side zippered pockets.

Although the backpack doesn’t support wireless charging, it has an external USB port to connect with your mobile phone. Additionally, there is an earphone port for serving your needs of listening to music on the go.

Key Features:

• Adjustable chest belts
• Padded shoulder straps
• Top carry handle
• Bottom anti-slip pad
• An earphone port
• Portable solar panel chargers
• Reflective strips

Product Specifications:

5. FARAZ Waterproof Solar Backpack

(Best Waterproof Solar Backpack)

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The FARAZ Waterproof Solar Backpack has a user-friendly design. Its back panel is full padded as well as integrated with an excellent ventilation system. The shoulder straps can be adjusted to fit your back snugly and make it easy to stay in place when you move around.

The FARAZ is specially designed for anti-theft, so it features many zipper enclosures for keeping your accessories safe. In addition, a handle loop is added in case you want to have another carrying option.

The FARAZ’s solar panels have an output of 6W and can charge several devices simultaneously. Charging is so simple because you just need to plug your phone directly into the solar cells.

However, the backpack doesn’t include a battery pack. So you need to use your own power bank for storage on cloudy days.

Key Features:

• 6 watts power output
• User-friendly design
• The excellently ventilated back panel
• Adjustable shoulder straps
• Zipper closure
• A handle loop

Product Specifications:

6. SUNKINGDOM Anti-Theft Solar Backpack

(Best for Camping)

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The unique design combined with high-efficiency solar panels of the SUNKINGDOM Anti-Theft Solar Backpack makes it convenient to charge your devices. Besides, the USB port is placed inside to prevent it from being ruined by the effects of rainwater.

The SUNKINGDOM features enough space to meet various requirements. It includes one padded laptop compartment, a roomy main center for clothes and bulky gear, and a zippered mesh pocket.

Also, there are two side pockets to contain quick-access items. Additionally, the backpack also has a product logo in the front and two sunglasses bands built into shoulder straps.

Ergonomic design is another advantage of the SUNKINGDOM backpack. Its back panel includes thick padding and an internal breathable sponge, helping travelers comfortable and keeping their bodies dry even on the hottest days.

Key Features:

• 12 watts solar cells
• One internal USB port
• Metal zippers
• Both side pockets
• Adjustable straps
• One top front product logo
• Heavy-duty buckles

Product Specifications:

7. ECEEN Foldable Hiking Solar Backpack

(Best for Hiking)

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The ECEEN Foldable Hiking Solar Backpack is made from high-quality material, including nylon and polyester fabric. This enables the backpack to have excellent tear resistance and water resistance.

Besides, the dual metal zippers are heavy-duty while stress points are strengthened thanks to bar tacks, helping the ECEEN Foldable Solar Backpack last its longevity.

Moreover, the backpack has a massive capacity of 30 liters – a little larger than normal-sized packs, making it perfect for week-long trips. In addition, it weighs only 1.19 pounds and can be folded into one pocket to store marvelously.

Therefore, it’s a piece of cake to pack the ECEEN Foldable in your suitcase, and then you might wear it as a convenient travel bag when sightseeing.

Key Features:

• Portable solar collectors
• Nylon and polyester fabric
• Dual abrasion resistance metal zippers
• 30 liters capacity
• Weights 1.19 lbs

Product Specifications:

8. XTPower Hiking Solar Backpack

(Best for Travel)

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The XTPower Hiking Solar Backpack includes solar panels with an efficiency of 22%, making it easier to absorb the sunlight to convert into electricity. Besides, because these solar panels are detachable, travelers find it simple to secure them.

Moreover, they are protected by a scratch-resistant surface as well as sewn into a PVC cover to ensure durability.

High compatibility with various devices is the ultimate goal that the manufacturer of the XTPower Backpack aims for. Hence, simply plug in your electronics such as smartphones, tablets, iPods, MP3 players, etc. And after that, they will be automatically charged through a USB port.

However, because the solar charger performs best in direct sunlight, its stream of power sometimes can vary. Therefore, my advice is to use your own power bank to save energy and then use it for charging your phone.

Key Features:

• Detachable solar cells
• 5 watts power output
• Nylon fabric
• Weighs only 1.8 lbs
• 46 liters capacity
• Fits a 17 inches laptop

Product Specifications:

9. ECEEN High Efficiency Solar Backpack

(Best Value for the Money)

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The ECEEN High Efficiency Solar Backpack is designed especially for charging your devices on the go. With strong solar panels, your phone battery can be full after 2-4 hours of charging.

Furthermore, these solar cells are waterproof, so they are long-lasting and still operate well after long periods.

The ECEEN High Efficiency is also a stylish and lightweight backpack. It uses high-quality canvas for material and owns the perfect size enabling travelers to carry no matter how far their destination is.

Besides, the backpack is environmentally friendly because it takes advantage of renewable energy from the sun to create your electronics’ power.

Key Features:

• USB charging port
• Anti-theft design
• One main compartment
• Seven small inner pockets
• 22% high-efficiency SUNPOWER solar cells

Product Specifications:

10. Kingsons Beam Anti-Theft Solar Power Backpack

(Best Durable)

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The Kingsons Beam Anti-Theft Solar Power Backpack comes with one USB cable and a micro USB charging port, making it simple to compatible with a variety of devices.

The charging port also contains a waterproof cover for protection and is integrated with a blue light that will blink to notify when the power bank is fully charged.

The Kingsons features YKK zippers which are famous for being waterproof and sturdy. Besides, lockable buckles are allowing you to protect your valuables from theft. Among many interesting features of the backpack, I love its ergonomic design best.

Traditional backpacks usually concentrate weight on the lower back and make your shoulders feel like being pulled down. But, the Kingsons backpack owns compression shoulder straps that will stabilize weight and relieve loads.

Key Features:

• Micro USB input and USB output
• Full battery indicator light
• Metal zippers
• Thick padding in the back panel
• Adjustable shoulder straps
• Zippered side pockets
• Anti-theft buckles
• 2% efficiency solar panels

Product Specifications:

11. EnerPlex Packr Executive Solar Powered Backpack

(Best Lightweight)

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The EnerPlex Packr Executive Solar Powered Backpacks feature 3-watt solar panels made in the USA entirely, making them secure to use.

However, the output of these solar chargers is relatively low compared to the others on the market today. Hence, it takes you about five hours to make your electronic devices full battery. The EnerPlex is a perfect choice for travel, thanks to its expandable compartments.

There are three pockets, including a hidden padded laptop sleeve and one main pouch used to accommodate clothes. Besides, its front compartment contains a top USB port plus a bottom zippered mesh pocket for effortlessly organizing small items.

The main compartment also provides an internal elastic band to keep your clothes in place when you are on the move. The EnerPlex Packr Executive uses durable two-way zippers, preventing your amenities inside from falling out easily.

Key Features:

• 3 watts solar panels
• Padded shoulder straps
• A USB port inside
• Three compartments
• An internal elastic band
• Dual zippers

Product Specifications:

12. Voltaic Solar Converter Backpack

(Best Comfortable)

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Many exciting features packed into a basic design of the Voltaic Solar Converter Backpack really blew me away.

First of all, it has an average size of 20 liters but contains up to four compartments. They are one zippered side pocket, one side mesh pouch, one roomy main compartment, and one fully padded laptop sleeve.

The main compartment provides two internal pockets and slip mesh ones, keeping your items well-organized. To make your gadgets charged safely, the Voltaic Converter offers a power bank with a capacity of 6,400 mAh for you to charge several times before it runs out of battery.

The solar panels only have the function of converting energy into electricity, while this process depends on weather conditions so much.

Therefore, if you charge your phone directly from the solar cells, the stream of power is likely to be unstable and even can damage your devices. That’s the reason why I advise you should charge through a battery pack.

Key Features:

• Accompanied by a battery pack
• Durable solar panels
• Fully padded laptop compartment
• Solar cells are made from UV-resistant ETFE

Product Specifications:

Check out this video review of the Voltaic Solar Converter and see how to charge your backpack’s panels.

13. XD Design Bobby Tech Anti-Theft Backpack

(Best Fashionable)

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The XD Design Bobby Tech Anti-Theft Backpack is an ideal gift for anyone who pursues a green lifestyle because it uses sustainable and eco-friendly material. Its exterior is coated with water repellent, providing the backpack excellent cut resistance and water resistance.

The XD Design Bobby Backpack supports two types of charging, including direct charge through regular and type-C USB port and wireless charge through a pocket inside. One feature that makes the backpack outperform others is the internal dividers’ design.

Three adjustable padded dividers allow me to keep my gear in separate compartments. Thanks to that, it’s effortless to bring your camera for taking the photos whereas you don’t need to worry about any damage to the equipment on the go.

Moreover, I even can remove these dividers whenever I want to have more space for my clothes.

Key Features:

• Zipper closure
• Regular and type-C charging port
• Three adjustable internal dividers
• Made from recycled plastic bottles
• Anti-theft design
• Wireless charging pad

Product Specifications:

14. Birksun Solar Backpack

(Best Quality)

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The Birksun Solar Backpack will make your electronics be always full battery thanks to portable, practical, and modern solar panels. It also comes with a power bank to save energy when there is no sunlight.

The battery pack has an output power of 2.4 amps combined with 3,000 mAh so that it can charge your phone as fast as possible.

The long-lasting ability for a long time is probably something every traveler considers. Luckily, the Birksun’s exterior has to go through a thorough test to ensure the quality. Also, the interior won’t make you disappointed with top-quality fabrics, leather handles, and reinforced cross-stitching.

Besides, the Birksun is TSA approved for domestic and international flights, so just pack it into your suitcase and enjoy your fabulous adventure!

Key Features:

• Portable and modern solar panels
• Long-lasting exterior
• Leather handles
• Strengthened cross-stitching
• TSA-approved backpack

Product Specifications:

15. SolarGoPack Solar Powered 7W Backpack

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Have you ever been under emergencies when you need to make a phone call, but your phone runs out of battery? Don’t worry because the SolarGoPack Solar Powered 7W Backpack will solve your problem!

Like other outdoor solar backpacks, the SolarGoPack also provides electricity through 7-watt solar cells. It includes a micro USB port and can make a 10,000 mAh power bank fully charged. These solar chargers are specially designed for removability and portability.

Hence, the SolarGoPack is flexible to be used as a travel bag or a school bag. In addition, it has three colors for selecting, namely army green, green, and red, which helps travelers easily own a perfect backpack with their favorite style.

Key Features:

• Nylon lining
• High battery capacity
• Micro USB cables
• Detachable solar panels
• A sternum strap

Product Specifications:

The detachable solar cells of the SolarGoPack bring travelers a lot of flexibility in use. But you wonder whether they are as effective as fixed panels. Let’s watch the following video and find out the answer by yourself.

Choosing the Best Solar Backpack

One common problem faced by most travelers when traveling is the battery exhaustion of electronics. Thankfully, solar backpacks with the function of converting sunlight into power are always ready to help. Therefore, owning a bag like that is essential for outdoor enthusiasts.

However, there are dozens of models on the market today, making it difficult to choose the one that best suits you. Hence, below are some factors I think you should consider before any purchasing.

1. Charging Time

The wattage rating of the backpack’s solar panels plays a vital role in deciding how long it will take you to make your electronic devices full battery. Luckily, this information is now available and easy to find out.

As far as I know, most solar backpacks on the market today use solar cells with a wide range of output from 5W to 12W.

I highly recommend you should own models whose panels might be rated at 6 watts to 10 watts because their charging time is pretty quick in 2-3 hours whereas still at a reasonable price.

In contrast, it will take at least five hours to get the power you need if these solar cells’ capacity is less than 5W.

2. Solar Panel

There are two crucial features of solar panels you should consider before any purchasing. They are the efficiency of the solar collectors and the removable ability.

For the former, solar panels with at least 18% efficiency are the best choice for you. And for the latter, I think the necessity of detachable solar cells is optional, depending on whether you prefer indoor or outdoor activities.

If you tend to spend most of your time inside, you are more beneficial from removable panels. This is because you can leave them in direct sunlight while using the rest of the backpack to do other things away from sunlight.

However, if you are a big fan of hiking, camping, etc., regularly being outside is obvious. Hence, whether the solar panels can be detachable or not doesn’t matter as much to you.

3. Compartments

The number of compartments that a solar backpack contains will tell you whether your backpack is big enough for short breaks or long-day trips. And from that, you can plan what essentials to bring by yourself.

Generally speaking, an excellent solar backpack should have a padded laptop sleeve as well as side pockets for quick-to-access items.

4. Capacity

Most solar backpacks range from 15 to 25 liters. This is an ideal storage space for travelers to carry almost their belongings such as laptops, books, clothes, and other miscellaneous items.

Moreover, lots of people loved this medium-sized backpack due to its compact design and not too bulky to fit with daily use. However, for hikers and campers, they will need a minimum capacity of 45 liters.

5. Waterproof

Poorly constructed solar backpacks create frustration for you when using and put your expensive devices at risk. The solar panel, power bank, and USB port are very susceptible to rainwater, causing connection issues or even malfunction.

That’s the reason why you should own a backpack with excellent waterproof. Currently, the solar backpacks on the market are often made from water-resistant and tear-resistant material. Some models also come with a rain cover to provide better protection for your backpack in a downpour.

Frequently Asked Questions (FAQs)

Some of the most common questions about solar backpacks will be answered in this part. I have spent most of my time searching for the information as well as consulting with those who used this pack before. So, I hope it will help to solve your wonders somewhat.

What Is a Solar-Powered Backpack?

A solar backpack is a type of backpack which is integrated with solar panels on the front. These solar cells collect power from the sun and then turn it into electricity used to charge electronic devices such as smartphones, laptops, cameras, etc.

The solar backpacks are usually made from durable waterproof fabric. They often support various types of USB ports for charging directly. Besides, they provide wireless charging or accompanied by a power bank to save energy for later use.

The solar backpacks’ capacity changes according to the purpose of use. If you are looking for a perfect travel bag for week-long adventures, the 45-liter-backpack should be your first consideration.

How Do Solar Backpacks Work?

Solar backpacks are integrated with monocrystalline solar panels. When sunlight hits these panels, the semiconductor creates electricity. Next, this power will be charged directly to your mobile phone through a USB port.

In case the backpack comes with a battery pack, the electricity will be stored there for use later.

Can You Wear Your Solar Backpack in the Rain?

Of course, the light rain cannot damage your solar backpacks because most of them are equipped with waterproof fabric.

However, cloudbursts increase the risk of making some of the solar backpack’s sensitive electronic parts dead or malfunction. Therefore, I suggest you should prepare a rain cover in your bag to cope with sudden rains.

How Long Do Solar Backpacks Last?

The lifespan of a solar backpack depends on its material and the frequency of use. It’s obvious that your backpack cannot operate well after a long time if you wear it every day instead of an infrequent journey.

Luckily, most models on the market today are warranted at least one year. Hence, your business is checking the manufacturer’s return policy and warranty policy carefully before making a purchase.

My Top Picks

The solar backpacks deserve an investment you should make to guarantee that your trip will become great and safe. And if you still don’t know which one to select, this part is here for help!

From my reviews of the 15 incredible options, the Sunnybag Iconic Solar Portable Backpack is the best overall. The ability to charge without a cable and the high-efficiency solar cells are good points of the backpack.

Besides, in case you want a budget-friendly choice, you should settle for the Voltaic Array Rapid Solar Backpack. Environmentally friendly material, top-quality solar panels, and the ability to be compatible with many devices are benefits you can expect.

For further questions and suggestions, you can make use of the comment box. If your friends or relatives are planning to buy a solar backpack, let’s share this article with them by simply pressing one of the social media buttons below.