4 best backpacking solar charger 2019
If you’re on the hunt for the best backpacking solar chargers in 2019, you want something that’s lightweight, efficient, and durable. These chargers have to keep your devices powered up while you’re out on the trail, away from any outlets. Luckily, there are some great options that balance these needs perfectly.
Take the BigBlue 28W, for example. It comes with dual USB-C and USB-A ports and offers impressive 25.4% efficiency. Or maybe you prefer something ultra-light? The BigBlue 25W weighs just 0.84 lbs and features smart charging to protect your devices.
Then there’s the FlexSolar 36W, which uses MPPT technology for faster charging and has versatile ports for different devices. Don’t overlook the GEYOTO 35W either—it boasts 26% efficiency and rugged IP68 weatherproofing, making it great for tough outdoor conditions. Each one has its own perks, so let’s dive into what makes them stand out next.
| Image | Name | Editor's Rating | Price |
|---|---|---|---|
|
|
|||
|
|
|||
|
|
|||
|
|
BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A
- Advanced Performance: BigBlue 28W portable solar charger provides 20% more power from every ray, thanks to...
- Upgraded Triple-Port: Dual USB-C and one USB-A ports deliver a maximum output of 5V/3A each, collectively achieving...
- High-Efficiency & IP44 Waterproof: 28W USB solar panel phone charger converts 25.4% sunlight into free energy...
- Ultra-Portable Emergency Solar Charger: Engineered for outdoor camping/hiking and emergency power supply, BigBlue...
- Universal Power on the Go: Charge your smartphones, power banks, GPS, flashlight and small electronics seamlessly...
Harness the power of the sun with the BigBlue 28W High-Efficiency Solar Panel Charger. This compact and lightweight charger offers reliable energy wherever you go, perfect for those off-grid moments. It folds down small, making it easy to carry in your backpack.
The charger uses advanced N-type monocrystalline silicon cells that provide fast, efficient charging under direct sunlight. Dual USB-C and USB-A ports let you power multiple devices at once, solving the problem of limited charging options on the trail or during emergencies.
Designed for outdoor use, the panel is IP44-rated to resist rain and fog, ensuring durability in light weather conditions. However, the USB junction box is not waterproof, so it’s important to avoid heavy moisture exposure. Since it doesn’t have an internal battery, it requires sunlight to charge devices directly.
For maintenance, keep it clean and dry when not in use to preserve the panel’s efficiency and longevity. Shading your devices while charging can help optimize performance and protect them from overheating.
Best for: Outdoor enthusiasts and travelers needing a portable, efficient solar charger for smartphones and small electronics during camping or emergencies.
What We Like:
- High 25.4% conversion efficiency for fast charging
- Dual USB-C and USB-A ports for simultaneous device charging
- Durable, weather-resistant design with smart IC technology for device safety
Specification:
| Feature | Details |
|---|---|
| Manufacturer | BigBlue |
| Dimensions (folded) | Compact and portable (exact size not specified) |
| Weight | 1.5 lb (approx. 0.68 kg) |
| Material | N-type monocrystalline silicon cells |
| Color Options | Not specified |
BigBlue Ultra-light Portable 25W Solar Panel Charger with USB-A/USB-C Ports
- COMPACT AND LEIGHTWEIGHT: Designed for easy portability, BigBlue 25W solar phone charger folds down to the size of...
- EFFICIENT AND SMART CHARGING: Featuring USB-A(5V/2.4A) and USB-C(5V/3A) ports, this solar charger can power two...
- PREMIUM-GRADE SOLAR CELL: Without metal lines on the front, the N-type solar cells BigBlue used capture more...
- DURABLE WITH EXTENDED LIFESPAN: BigBlue 25W foldable solar panel combines ETFE coating, UV-resistant EVA, and...
- IP68 WATER AND DUST RESISTANCE: Rated IP68, this portable solar panel is designed to endure splashes, spills, and...
The BigBlue Ultra-light Portable 25W Solar Panel Charger offers a compact and efficient power solution for those who need reliable energy on the move. Its foldable design, about the size of an iPad, and feather-light weight of 0.84 lbs make it easy to carry during outdoor adventures or travel. You can quickly attach it to backpacks or gear using the included carabiners and elastic strap.
This solar charger delivers up to 25 watts of power through both USB-A and USB-C ports, allowing you to charge two devices simultaneously. Its smart charging technology ensures safe and optimized power output, protecting your devices from overcharging or short circuits. The high-efficiency N-type solar cells improve sunlight absorption, enhancing charging speed and reliability even in less-than-ideal conditions.
Made with durable, weather-resistant materials and rated IP68, this charger withstands harsh outdoor environments. It’s an excellent addition to emergency kits, offering a dependable source of energy when traditional power isn’t available. Maintenance is simple—just wipe clean and store folded to protect the solar cells and accessories.
Best for: outdoor enthusiasts, travelers, and emergency preparedness users seeking a lightweight, efficient solar charger for multiple devices.
What We Like:
- Ultra-light and compact for easy portability
- Dual USB-A and USB-C ports with smart charging technology
- High-efficiency N-type solar cells for improved energy capture
- Durable, weather-resistant design with IP68 rating
Specification:
| Feature | Details |
|---|---|
| Manufacturer | BigBlue |
| Dimensions (folded) | Approx. iPad size |
| Weight | 0.84 lbs (0.38 kg) |
| Ports | USB-A, USB-C |
| Power Output | 25W total |
| Solar Cell Type | N-type |
| Weather Resistance | IP68 |
FlexSolar 36W Ultra-Portable & Lightweight Solar Panel Charger
- Ultra-Portable Solar Companion:Engineered for adventure, the FlexSolar 36W folds to a compact 7.7×5.1smaller...
- mart Dual-Port Charging:Equipped with USB-A, USB-C and DC(5.5mm*2.1mm)outputs, this solar charger delivers power...
- Featuring a triple-layer protective construction: 1. Scratch-resistant E film surface coating 2. UV-stabilized EVA...
- 24% Photovoltaic Efficiency: Engineered with military-grade solar arrays, the FlexSolar portable charger achieves...
- IP67 Weatherproof Durability: Engineered to withstand harsh outdoor conditions, this 36W solar panel features...
Experience reliable power wherever your adventures take you with the FlexSolar 36W Ultra-Portable Solar Panel Charger. Designed to keep your devices charged without weighing you down, this lightweight charger fits easily into any backpack. Its compact size and foldable design solve the common problem of bulky chargers that limit mobility.
The solar panel’s 24% efficiency and advanced MPPT technology ensure faster charging, even in partially shaded environments. This means you can stay connected on hikes or camping trips without worrying about losing power. The charger supports USB-A, USB-C, and DC devices, providing versatile options for your gear.
Built for the outdoors, the FlexSolar panel withstands harsh conditions with an IP67 weatherproof rating and triple-layer protection. It endures over 2,000 folds, maintaining durability over time. Cleaning is simple—just wipe the surface to keep it performing at its best.
Best for: Outdoor enthusiasts like backpackers, hikers, and campers who need a lightweight, durable, and efficient solar charger for on-the-go power.
What We Like:
- Lightweight, foldable design for easy transport
- High-efficiency panel with MPPT for reliable charging in shade
- Durable IP67-rated construction built for rugged use
- Versatile outputs supporting USB-A, USB-C, and DC devices
Specification:
| Feature | Details |
|---|---|
| Manufacturer | FlexSolar |
| Dimensions | 7.7 × 5.1 inches (folded) |
| Weight | 1.7 lbs |
| Solar Panel | 36W monocrystalline, 24% efficiency |
| Output | 5 V DC, 7.2 A total current |
| Protection | IP67 weatherproof, triple-layer |
| Durability | 2,000+ fold cycles |
35W Solar Charger 26% High Efficiency USB-A and USB-C Charging
- 【GEYOTO】Bringing together the engineering expertise and manufacturing capabilities of a global automotive...
- 【26% HIGH CONVERSION EFFICIENCY 】Built with advanced monocrystalline solar cells, GEYOTO 35W solar panel...
- 【DUAL-PORT FAST CHARGING】This solar USB charger delivers up to 35W combined output through 1 USB-C port and...
- 【POCKET-SIZED 】At 1.54 lb and folded to just 4.76 × 8.29 × 1.57 in, this foldable solar panel fits easily in...
- 【IP68 WATERPROOF】The laminated panel surface provides IP68 water and dust resistance for changing outdoor...
Harness the power of the sun with the GEYOTO 35W Solar Charger, designed to keep your devices charged wherever you go. With 26% high efficiency monocrystalline solar cells, it converts sunlight quickly into energy, solving the common problem of slow charging during outdoor activities.
This compact, foldable charger features dual USB-A and USB-C ports, allowing you to charge multiple devices fast and efficiently. Its rugged design is built to withstand harsh conditions, with an IP68-rated panel that resists dust and water, ensuring reliable use even in unpredictable weather.
Setting up is easy thanks to the included carabiners that let you secure the charger to your backpack or tent. Maintenance is minimal—simply wipe the solar panel clean to maintain optimum performance. The included USB-C extension cable adds flexibility to device placement, although its length may limit some setups.
At 1.5 lbs, it balances portability with durability, making it a practical choice for outdoor enthusiasts who need dependable power without sacrificing convenience. Keep your phone, tablet, or power bank charged on camping trips, hikes, or emergency situations.
Best for: Outdoor adventurers and travelers needing a compact, efficient solar charger for reliable USB device charging in remote locations.
What We Like:
- High 26% efficient monocrystalline cells for faster solar charging
- Dual USB-A and USB-C ports support versatile device compatibility
- IP68 water and dust resistance ensures durability in rugged conditions
- Foldable design with carabiners for easy attachment and setup
- Includes USB-C extension cable for flexible device placement
Specification:
| Specification | Details |
|---|---|
| Manufacturer | GEYOTO |
| Dimensions (folded) | Compact and portable |
| Weight | 1.5 lbs (approx. 0.68 kg) |
| Material | Monocrystalline solar cells |
| Color Options | Not specified |
Factors to Consider When Choosing a Backpacking Solar Charger 2019

When picking a backpacking solar charger, you’ll want to check its charging power output and the types of ports it offers. Make sure it’s durable and weatherproof enough to handle the outdoors while staying lightweight and portable.
Also, confirm it’s compatible with your devices to keep everything charged on the trail. That way, you won’t have to worry about running out of power when you need it most.
Charging Power Output
Evaluating charging power output is essential when choosing a backpacking solar charger because it directly affects how quickly and efficiently your devices will recharge. Start by checking the panel’s peak wattage—ultralight options usually range between 25 and 36 watts—which gives you an idea of its maximum power in full sun.
Also, look at per-port and total current limits to understand how much amperage each USB port can provide, especially if you plan on charging multiple devices simultaneously. Keep in mind that real-world output often falls short of peak ratings due to shade, angle, clouds, and temperature.
Chargers with MPPT or smart circuitry help maximize power harvest and maintain stable output in changing light conditions. Finally, confirm the panel’s output voltage suits your devices, typically 5 volts for USB charging.
Port Types Availability
Several key port types should be on your checklist when choosing a backpacking solar charger to guarantee compatibility with your devices. Make sure it includes USB-A for older gadgets and USB-C for newer phones and power banks.
Some chargers also offer a DC barrel port for specialized gear, letting you plug in directly without adapters. Check each port’s output ratings, like 5 V/3 A for USB-C, and the total current limit to handle multiple devices charging simultaneously.
It’s best to pick a charger with USB-C supporting power delivery for faster, versatile charging. Also, confirm if the charger has an internal battery or is direct-charge only, as port availability can vary with sunlight.
Finally, look for smart charging ICs that optimize voltage and current safely for your devices. It really helps keep your gear powered up without any hiccups.
Durability And Weatherproofing
Because your solar charger will face harsh outdoor conditions, durability and weatherproofing become essential factors to take into account. Check the panel and junction-box IP ratings—higher ratings like IP68 mean better resistance to rain, dust, and even immersion.
Choose laminated or ETFE/EVA-coated cells and reinforced baseplates to prevent UV damage, cracking, and wear from folding. Look for a robust mechanical design with reinforced seams, durable hinges, and quality stitching to handle rough packing.
Make sure electrical junctions and ports are sealed or covered since moisture and dirt often cause failures there. Also, consider the operating temperature range and heat-management features.
Chargers built for heat resistance and low surface heating last longer and perform better in hot, sunny environments. So, prioritize these features to keep your charger reliable outdoors.
Portability And Weight
Keep your pack light by choosing a solar charger that balances portability and power without adding unnecessary bulk. Aim for a folded weight between 1 and 1.7 pounds (450–770 grams) to avoid extra strain on long hikes.
Look for chargers that fold down to roughly tablet size—under 8 by 6 inches—so they fit easily in external pockets or against your pack frame. Balance weight with output by selecting just enough wattage to meet your needs, like charging a phone or power bank, to skip carrying heavier panels.
Don’t forget to factor in mounting hardware weight and consider leaving extras behind when possible. Prioritize durable, lightweight materials such as thin monocrystalline cells and reinforced fabric to guarantee your charger lasts without adding bulk.
Device Compatibility
When choosing a backpacking solar charger, you’ll want to make sure it matches your devices’ power needs by checking output voltage and current per port. Look for chargers that provide, for example, 5 V at up to 3 A per port, ensuring compatibility.
Also, verify the types of ports available—USB-A, USB-C, or DC barrel—and whether multiple ports can deliver full power simultaneously. That way, you can charge more than one device efficiently without any hassle.
Make sure the charger supports your devices’ charging protocols like PD, Quick Charge, or proprietary profiles. This helps avoid slow charging and keeps your devices happy.
If the panel lacks an internal battery, double-check that it can directly power your devices under variable sunlight.
And finally, choose chargers with built-in safety features like over-current and short-circuit protection to keep your electronics safe. It’s always better to be safe than sorry!
Frequently Asked Questions
How Do Solar Chargers Perform in Cloudy or Rainy Weather?
Solar chargers still work in cloudy or rainy weather, but they’ll charge your devices much slower. You shouldn’t expect full power output.
Can These Solar Chargers Charge Devices While Stored in a Backpack?
You can’t expect these solar chargers to work like magic mirrors while tucked away in your backpack; they need direct sunlight to charge effectively.
Inside your pack, they’re more like shadows—powerless and waiting for the sun’s touch. So, if you want them to do their job, make sure they’re out in the open. Otherwise, they just won’t charge your devices.
What Is the Average Lifespan of a Backpacking Solar Charger?
You can expect a backpacking solar charger to last around 3 to 5 years with regular use. Proper care, like avoiding extreme conditions and storing it properly, can help you extend its lifespan markedly.
Taking good care of your charger really makes a difference. Just a little effort goes a long way in keeping it working well for years. So, treat it right and it’ll stick with you on many adventures!
Are These Solar Chargers Safe to Use With All Electronic Devices?
About 90% of solar chargers are safe with most electronics, but you should check your device’s voltage and compatibility. Using an incompatible charger can damage your gadgets, so always verify specs before plugging in to stay safe.
It’s better to be cautious, right? Just take a quick look at your device’s requirements before you connect the charger. That way, you avoid any unwanted surprises.
How Do Solar Chargers Compare to Power Banks for Backpacking?
Solar chargers rely on sunlight, so they’re great outdoors but slower than power banks.
Power banks store energy ready to use anytime, making them more reliable when sunlight’s scarce. You’ll want both for flexibility.
It’s all about having options when you’re out backpacking!
Conclusion
When you’re out conquering the wild like a modern-day explorer, having the right solar charger is your trusty Excalibur. Whether you pick BigBlue’s high-efficiency panels or FlexSolar’s lightweight design, you’ll stay powered up and ready for any adventure.
Remember, just like choosing the right gear for a quest, consider efficiency, weight, and port options.
With the right backpacking solar charger, you’ll keep your devices alive and your journey legendary. Choosing the best solar charger for backpacking means balancing power output, durability, and portability.
So, whether you’re hiking, camping, or trekking, a reliable solar charger ensures your gadgets stay charged no matter where your adventure takes you. Stay connected, stay powered, and make every outdoor experience unforgettable with the perfect solar charger.