Best Backpack Solar Charger




Ortment of top-rated backpack solar chargers spread out in a sunlit, grassy field, with a hiker's backpack and hiking gear in the background

Affiliate Disclaimer

As an affiliate, we may earn a commission from qualifying purchases. We get commissions for purchases made through links on this website from Amazon and other third parties.

There’s no denying it: we’re tied to our tech. I’ve found myself caught too often with a dying battery and no outlet in sight. That’s why I’m passionate about finding the best backpack solar charger.

It’s about freedom, really. The power to roam without worrying about your lifeline to the world. So, let’s dive into the ins and outs of harnessing the sun’s energy, and find ourselves the perfect portable power solution.

Top best backpack solar charger

Let’s now look at the top backpack solar chargers on the market.

The BigBlue SolarPowa 28, Goal Zero Nomad 50, X-Dragon 20W, FlexSolar 40W, and SunJack 25W are the leading contenders.

Each of these offers unique features and advantages, which we’ll discuss next.

BigBlue SolarPowa 28

I’ve found the BigBlue SolarPowa 28 to be the top backpack solar charger due to its impressive features and solid performance. It’s a game changer for those seeking freedom from traditional power sources.

With three USB-A ports and Smart Charge Technology, it caters to multiple devices simultaneously, delivering optimal charging speed. It’s tough, enduring the elements and lasting nearly a year of regular use. Despite some durability issues reported, such as film peeling and broken clasps, the performance in varying conditions is commendable.

It liberates us from worrying about power outages or unreliable grids, making it a reliable companion for camping trips and an essential component of any emergency kit.

  • Product specs: Solar Conversion Efficiency up to 24%, 3 USB-A ports, Smart Charge Technology, Folded dimensions of 11.6 × 6.3× 1.3in, weight 20.5 oz.
  • Pros: High solar conversion efficiency, multiple USB ports, smart charging, compact and portable design, suitable for camping and emergencies.
  • Cons: Some durability issues (film peeling, broken clasp), not suitable for charging laptops and iPad Pro.

Goal Zero Nomad 50

Moving on to the Goal Zero Nomad 50, it’s a top-notch backpack solar charger that stands out with its high-power output and impressive compatibility. Developed by a US-based team with over 50 years of experience, this lightweight, compact charger has successfully freed many users from the constraints of conventional power sources. It’s been said to charge Yeti power generators and multiple devices during long camping trips efficiently.

However, the Nomad 50 isn’t without its limitations. It requires direct sunlight to function optimally, so it mightn’t be your best friend on cloudy days or in shaded areas. Moreover, it’s more expensive than many other travel solar panels, causing some customers to recommend cheaper alternatives.

  • Product specs: 50W, 18-22V panel with built-in 8mm charging cable and USB port
  • Pros: high power output, compatibility with Yeti power generators, lightweight and compact
  • Cons: requires direct sunlight, expensive compared to other models, difficult to clean.

X-Dragon 20W

Now, I’m going to delve into the details of the X-Dragon 20W, which stands out as the top backpack solar charger in its category. This compact device harnesses the power of the sun to recharge your electronics, liberating you from the constraints of traditional power sources. With dual USB ports, it can charge two devices simultaneously—ideal for those who love multitasking.

The X-Dragon 20W brings efficiency to your fingertips with its SolarIQ Technology. Although it falls short of the stated 20W output due to conversion losses, it still proves powerful enough to charge your phone as quickly as an AC-powered adapter. It’s perfect for those seeking freedom and adventure, but remember, it doesn’t store power, so use a battery pack to hold that sunshine for later!

  • Product Specs:
    Monocrystalline Portable Solar Panel 20W, Dual USB Ports, Foldable, High Efficiency: Up to 22%-25%, Water-Resistant
  • Pros:
    Charges two devices simultaneously, efficient, compact, durable, great for outdoor activities
  • Cons:
    Doesn’t store power, less efficient in overcast conditions, may not reach stated 20W output.

FlexSolar 40W

Let’s dive into the details of the FlexSolar 40W, our top pick for the best backpack solar charger on the market. This is a game-changer for those craving freedom from conventional power outlets.

Not only can it charge multiple devices simultaneously, but it also boasts a high solar conversion rate of 24%. This means quicker charging times, so you can get back to exploring the great outdoors.

Its portability and foldable design make it perfect for all your off-grid adventures and emergencies. And with an IP67 rating, you don’t have to worry about dust or water damaging your lifeline to power.

  • Product specs:
    1 QC3.0 USB-A, 1PD 2.0 USB-C, and 19V DC outputs;
    24% solar conversion rate;
    IP67 dustproof and waterproof.
  • Pros:
    High solar conversion rate;
    multiple outputs;
    foldable & portable;
    dustproof & waterproof;
    robust build quality.
  • Cons:
    Can’t store power;
    slower charging when DC and USB ports used simultaneously;
    charging speed may reduce under cloudy conditions.

SunJack 25W

I’ve found the SunJack 25W to be the top pick for the best backpack solar charger, boasting a rugged, durable, and waterproof design that’s ideal for any outdoor adventure. It gives you the freedom to roam and explore, without the worry of a drained battery. It’s compact and portable, perfect for those who crave liberation from the confines of the grid. Yet, it doesn’t compromise on power, offering fast charging speeds to keep your devices juiced up.

However, it’s not without its flaws. Some users have found the USB-C cable compatibility to be an issue, and the voltage might be limited for fast-charging devices. Despite this, the SunJack 25W stands out as a reliable companion for outdoor enthusiasts.

  • Product Specs:
  • 25 Watt Foldable IP67 Waterproof ETFE Monocrystalline Solar Panel Charger
  • Dual USB ports (Type-A and Type-C)
  • Pros:
  • Rugged, durable, and waterproof
  • Fast charging speeds
  • Compact and Portable
  • Cons:
  • USB-C cable compatibility issues
  • Limited voltage for fast charging devices.

Key Features to Consider

When choosing the best backpack solar charger, there are several key features to keep in mind.

We’ll need to consider aspects like solar panel efficiency and wattage, portability, weight, and the number of output ports.

Additionally, we can’t forget about the charger’s battery integration and its durability against the elements.

Solar Panel Efficiency and Wattage

One crucial aspect I’m considering in choosing the best backpack solar charger is the efficiency and wattage of the solar panel. Higher solar panel efficiency and wattage means more power to charge your devices.

To liberate your outdoor experience, consider these points:

  • Higher watt solar panels convert solar energy quicker, minimizing charging time.
  • Look for monocrystalline solar panels, they’re more efficient.
  • Wattage must align with your power needs. Too high or too low isn’t ideal.
  • Panel size can affect efficiency. Bigger isn’t always better.
  • Consider the charger’s weight. Higher wattage might mean heavier weight.

Portability and Weight

Despite its importance, not every solar charger offers the perfect balance of portability and weight, so it’s crucial to consider these factors when making your selection.

A good backpacking solar charger should be convenient to carry and lightweight. This way, it won’t add a significant burden when you’re on your backpacking trip. You want liberation from heavy luggage, not additional weight.

Remember, you’ll be transporting your solar charger quite a bit. So, opt for a portable solar charger that’s compact and lightweight. This feature will greatly enhance your outdoor experience, giving you the freedom to explore without worrying about the weight.

A lightweight solar charger is simply a game-changer for outdoor enthusiasts.

Output Ports and Compatibility

I’ve found that the type and number of output ports a solar charger has significantly impact its compatibility with various devices. A charger with multiple ports can charge multiple devices simultaneously, providing portable power anywhere, anytime. This is a vital feature to consider especially if you’re reliant on a power bank for your devices.

  • Multiple USB Ports: To charge your devices simultaneously.
  • Type-C Port: For faster power output and wider compatibility.
  • Micro-USB Port: Commonly used, it’s handy to have for most devices.
  • DC Port: For charging larger devices, like laptops.
  • Wireless Charging: Some chargers offer this as a feature, providing even greater freedom.

Battery or Power Bank Integration

Beyond the type and number of output ports, it’s crucial to consider the integration of a battery or power bank in your solar charger. A solar charger with an integrated battery pack not only stores power but also ensures your devices can be charged even when the sun isn’t shining.

These portable batteries, often called banks with an integrated solar, provide freedom from power outlets and allow you to travel unhindered. The key is the seamless battery or power bank integration that adds to the portability and convenience.

It’s not just about having a backup power source; it’s about having the liberty to use your devices whenever and wherever you want. So, make sure you consider this vital feature when choosing your backpack solar charger.

Durability and Weather Resistance

In choosing my backpack solar charger, the product’s durability and weather resistance are factors I can’t overlook. These features determine how reliable solar energy is captured and stored, especially when I’m outdoors, exposed to various weather conditions.

Here’s what I look for in the best backpack solar charger:

  • Robust build quality to ensure durability.
  • Resistance to water and humidity.
  • Ability to withstand extreme temperatures.
  • Resistance to dust and dirt, crucial for outdoor use.
  • A design that can handle rough treatment without tearing or breaking.

These features will guarantee a solar charger that can withstand the elements, making it the best overall portable solar charging solution. With such a charger, I won’t fret about keeping my devices powered while I’m on the go.

Charging Speed

When I consider charging speed, it’s crucial for my backpack solar charger to quickly and efficiently generate enough power to keep my devices running. The best portable solar chargers have two types of charging speeds: direct solar charging speed and indirect solar charging speed.

Direct solar charging is when your device charges directly from the solar charger, while indirect involves charging a battery pack first. Both speeds are vital to consider when choosing a solar charger for backpacking.

Solar Charging Method Importance
Direct Solar Charging Speed Gives you freedom to use your devices while they’re charging
Indirect Solar Charging Speed Lets you store power for later use, freeing you from time constraints

Ease of Use

Moving on from charging speed, another essential factor I’ve got to consider is how user-friendly my backpack solar charger is. We don’t want a complicated solar charger setup, do we? We’re after freedom, not hurdles.

Here are key features I’ve found that make the best backpack solar charger easy to use:

  • Lightweight: A portable solar charger for backpacking should be light. Weight is everything when you’re on the move.
  • Compact: It needs to fit in my backpack with ease.
  • Durable: The charger should withstand the rigours of outdoor adventures.
  • Efficient: High efficiency solar panels are a must for quick charging.
  • Simple Setup: No complicated instructions. Just plug and play.

Buying Guide and Tips

Before you rush out to grab a backpack solar charger, there are a few things to consider.

I’m going to guide you through some factors to keep in mind, common pitfalls to avoid, and some handy tips for using your charger on the go.

Let’s get started with our buying guide and tips for choosing the best backpack solar charger.

Factors to consider when choosing a backpack solar charger

When you’re deciding on a backpack solar charger, several key factors should guide your choice. You’re looking for a reliable solar power source that can keep your devices charged on the go. Here’s what to consider:

  • Efficiency: The best backpack solar charger will efficiently convert sunlight to electricity.
  • Portability: Look for lightweight and compact portable solar chargers and panels.
  • Durability: A good solar panel for backpacking can withstand tough outdoor conditions.
  • Power Output: Ensure it can charge your devices at a decent speed.
  • Budget: Prices can vary. Choose a charger that offers good value for its price.

Common mistakes to avoid while purchasing

After considering all these factors, it’s crucial to avoid some common pitfalls during the purchasing process.

One of the common mistakes to avoid while purchasing isn’t considering your backpacking needs. It’s easy to fall for the most powerful or expensive solar charger, but it may not be the best backpack solar charger for you.

Another error isn’t considering the charger’s weight and size – remember, you’ll be carrying it on your back. Don’t overlook durability either; your solar charger should withstand the rigors of outdoor adventures.

Lastly, always check the device compatibility. The best solar charger is useless if it can’t power your gadgets. So, when choosing a solar charger, keep these points in mind.

Tips for optimizing the use of backpack solar chargers during backpacking trips

Though I’ve given you advice on what to look out for when buying, it’s equally important I share some tips on how to get the most out of your backpack solar charger during your trips.

Here are some tips to maximize the solar chargers of your backpack:

  • Always position the solar panel towards the sun for optimal charging.
  • Keep the solar panel clean. Dust and dirt can inhibit the panel’s ability to absorb sunlight.
  • Charge devices during the day. The solar charger isn’t a battery and needs sunlight to work.
  • Use cloud-free days to your advantage. Clouds can dramatically reduce the efficiency of the solar panel.
  • Planning for a camping trip? Check the weather forecast. Solar panel efficiency drops significantly in cloudy or rainy conditions.

Frequently Asked Questions

How Do I Properly Maintain and Clean a Backpack Solar Charger?

To properly maintain and clean a solar charger, I always dust off the panels gently, avoid getting them wet, and store it in a cool, dry place. Regular checks ensure it’s working optimally.

What Should I Do if My Backpack Solar Charger Gets Wet or Damp?

If my solar charger gets wet, I’d first turn it off and disconnect any devices. Then, I’d gently blot it dry, avoid using heat, and let it air dry fully before turning it back on.

Are There Any Specific Weather Conditions That Can Affect the Efficiency of a Backpack Solar Charger?

Ironically, while we rely on the sun, too much heat can decrease its efficiency. Overcast or cloudy conditions also limit its performance. So, in pursuit of liberation, don’t forget to consider your climate!

Can I Use a Backpack Solar Charger to Power Devices Other Than Smartphones and Tablets?

Absolutely, I can! My backpack solar charger isn’t limited to phones and tablets. It can power anything that uses a USB charge, including cameras, portable speakers, and even some travel-friendly cooking appliances.

What Do I Do in Case My Backpack Solar Charger Is Not Charging My Device Properly?

If my device isn’t charging properly, I’ll first check the solar charger’s connections. If there’s still an issue, I’ll try charging a different device. If it persists, I’ll contact the manufacturer for support.


So, that’s the lowdown on the best backpack solar chargers.

Here’s an intriguing fact as a parting shot – did you know that solar chargers can convert up to 22% of sunlight into electricity? That’s pretty impressive!

Remember to consider factors like weight, power output, and durability when you’re choosing a solar charger.

Trust me, it’s worth the investment for the freedom to charge your devices anywhere under the sun.

About the author

Leave a Reply

Your email address will not be published. Required fields are marked *

Latest posts

  • Ring Doorbell Solar Charger Review

    Ring Doorbell Solar Charger Review

    Imagine never having to worry about your doorbell’s battery life again. I’m here to introduce you to the Ring Doorbell Solar Charger. It’s an innovative gadget that harnesses the sun’s power to keep your doorbell charged and ready. I’ve tested it, compared it, and gathered user feedback. Let’s dive into the details and see if…

    Read more

  • What Is Ultrasonic Cleaning

    What Is Ultrasonic Cleaning

    Just this morning, as I was scrubbing my glasses, I couldn’t help but think how convenient ultrasonic cleaning is. It’s a method I’ve come to rely on for its efficiency and remarkable results. So, if you’re tired of the tedious task of manual cleaning and are intrigued by the idea of sound waves doing the…

    Read more

  • Best Solar Fence Charger for Cattle

    Best Solar Fence Charger for Cattle

    I’ve searched high and low, across the vast plains of the internet for the best solar fence charger for cattle. Trust me, it’s not as easy as it sounds! But don’t you worry, I’ve done the tough part for you. In this article, we’ll delve into the top three picks, compare their features, and I’ll…

    Read more