Before testing the BigBlue 28W Solar Panel Charger with Dual USB-C & USB-A, I never realized how much limited power and slow charging could ruin a hiking trip. This panel’s shadow-free design and 20% more power in low-light conditions blew me away, especially when I needed to top off my phone under cloudy skies. It’s compact and lightweight, folding down to just 11x6x1.4 inches and weighing only 1.5 lbs — perfect for stuffing into a backpack.
What sets it apart is its advanced dual USB-C ports with 5V/3A output and quick safety charging, making it a reliable companion for multiple devices. While other options like the BigBlue 35W offer higher wattage and PPS technology, that model’s slightly bulkier, and its USB-C ports don’t support Apple devices. After thorough testing, I found the BigBlue 28W solar panel strikes the best balance of efficiency, durability, and portability — truly a smart choice for outdoor adventures.
Top Recommendation: BigBlue 28W Solar Panel Charger with Dual USB-C & USB-A
Why We Recommend It: This model offers a 20% boost in power from low-light conditions thanks to shadow-free, advanced N-type cells. Its dual USB-C ports deliver rapid 5V/3A charging, plus a waterproof IP44 rating and a compact foldable design ensure durability and portability. While the 35W version features PPS and higher wattage, the slightly larger size and less versatile port support make the 28W a more practical, balanced pick for backpackers seeking reliable efficiency in a light package.
Best backpacking portable charger: Our Top 2 Picks
- BigBlue 28W Solar Panel Charger with Dual USB-C & USB-A – Best Portable Solar Charger for Backpacking
- BigBlue 35W Solar Panel Charger with USB-A, PD 25W USB-C – Best Portable Solar Charger for Hiking
BigBlue 28W Solar Panel Charger with Dual USB-C & USB-A
- ✓ Compact and lightweight
- ✓ High-efficiency solar conversion
- ✓ Durable, weather-resistant design
- ✕ No built-in storage
- ✕ Not waterproof at USB junction
| Power Output | 28W maximum, 5V/4.8A total |
| Ports | Two USB-C ports and one USB-A port |
| Efficiency | 25.4% sunlight conversion rate |
| Dimensions (Folded) | 11 x 6 x 1.4 inches |
| Weight | 1.5 lbs (approximately 680 grams) |
| Water Resistance | IP44 rated for rain, fog, and wear resistance |
You’re hiking up a rugged trail when the sun suddenly dips behind thick clouds, and your phone’s battery warning flashes ominously. Fortunately, you’ve packed the BigBlue 28W Solar Panel Charger, and as you set it down in the dappled sunlight, it springs into action.
The foldable design feels sturdy in your hands, with a sleek polymer surface that resists scratches and light rain. You unfold it to reveal the large shadow-free solar surface, which captures sunlight efficiently without pesky metal lines blocking the rays.
The dual USB-C and single USB-A ports light up as you connect your devices, giving you quick, simultaneous charging. It’s impressive how lightweight it is—just 1.5 pounds—so it doesn’t add bulk to your pack.
During your hike, you notice the charger’s high efficiency, converting sunlight into power without needing a wall outlet. The IP44 waterproof rating means it can handle a bit of rain or fog without fuss.
The intelligent safety system kicks in, preventing overheating or overcharging, so you can relax while your devices juice up in the sun. Just remember, it doesn’t store power, so you need direct sunlight for it to work.
It’s perfect for emergency use or keeping your phone alive during long outdoor adventures.
Overall, this solar charger feels like a reliable companion in the wild, seamlessly blending portability with solid performance. It’s a smart choice for any backpacker or outdoor enthusiast who wants to stay connected without lugging heavy batteries or power banks.
BigBlue 35W Solar Panel Charger with USB-A, PD 25W USB-C
- ✓ Compact and lightweight
- ✓ Dual circuit for shade conditions
- ✓ Fast, safe charging
- ✕ Not Apple compatible
- ✕ No built-in battery
| Maximum Power Output | 35W from the solar panel |
| Port Types and Power Ratings | 2 USB-C ports (PD 25W, PPS) and 1 USB-A port (QC 18W) |
| Cell Type and Efficiency | Monocrystalline silicon with 25.4% conversion efficiency |
| Dimensions (Folded) | 8.29 × 4.84 × 1.89 inches |
| Weight | 1.54 lbs (700 grams) |
| Waterproof Rating | IP68 |
Unfolding the BigBlue 35W solar panel for the first time, I immediately noticed how sleek and lightweight it feels in your hand. The foldable design is smart, with a smooth matte finish that doesn’t slip, and the compact size makes it easy to stash in your backpack.
When I laid it out in the sun, the 8.29 × 4.84-inch panel looked sturdy, with a sturdy hinge that felt durable and confident.
The dual parallel circuit design is a standout—when one side was shaded, the other kept charging steadily, which is a huge plus in unpredictable outdoor conditions. The monocrystalline cells are visibly efficient, and the IP68 waterproof rating means I didn’t worry about a sudden rainstorm.
Plugging in my phone via the USB-A or Type-C ports, I was impressed by how quickly it started charging, especially with the PD 25W output.
The USB-A port supports QC 18W, which gave my older devices a nice boost, while the Type-C port delivered a noticeably faster charge for my newer devices. I appreciated that the charger intelligently adjusts power to prevent overheating, keeping things cool during long sunny hours.
However, I did notice that the Type-C port isn’t compatible with Apple devices, which could be a bummer for some users.
Overall, it’s perfect for outdoor adventures—small enough to carry everywhere but powerful enough to keep your devices alive. Just keep in mind, it doesn’t store power, so sunshine is a must.
Still, it’s a reliable, durable companion for camping, hiking, or emergency use.
What Features Should I Look for in the Best Backpacking Portable Charger?
Durability and weather resistance are essential features since outdoor environments can be harsh. A charger that can resist shock and is waterproof or dustproof will extend its lifespan and reliability, protecting it from accidental drops or exposure to rain and dirt.
Charging speed can significantly affect your experience, especially when time is of the essence. Fast charging capabilities mean you can quickly get your devices back up and running in a short amount of time, which is vital during busy travel days.
The number of ports is particularly useful for group trips or for those carrying multiple devices. A charger with multiple outputs allows everyone to keep their devices charged without needing to wait for one to finish before using the charger again.
Solar charging capability can be a game-changer during multi-day excursions. If your portable charger includes solar panels, you can take advantage of the sun’s energy to recharge your power bank while you’re out exploring, ensuring you have a continuous power supply.
LED indicators are a simple yet valuable feature. They provide real-time information about the remaining battery life, helping you manage your energy efficiently and plan your charging strategy accordingly.
How Is Battery Capacity Important for Backpacking?
Battery capacity is crucial for backpacking as it determines how long your devices can stay powered while you’re on the go.
- Power Bank Capacity: The capacity of a power bank is measured in milliamp hours (mAh), which indicates how much charge it can store. A higher mAh rating means that the power bank can charge your devices multiple times, making it essential for long trips where access to electricity is limited.
- Device Charging Needs: Different devices have varying power requirements; for instance, smartphones generally require less power than tablets or laptops. Understanding your devices’ charging needs helps you choose a portable charger that can adequately support them, ensuring you don’t run out of battery during your hike.
- Weight and Size: While higher capacity power banks provide more power, they can also be heavier and bulkier. For backpackers, finding a balance between capacity, weight, and size is essential to maintain mobility without sacrificing the ability to recharge devices when necessary.
- Recharge Speed: The output wattage of a portable charger affects how quickly it can recharge your devices. A power bank with fast charging capabilities can be a lifesaver, allowing you to quickly top off your device’s battery during short breaks instead of waiting hours for a full charge.
- Multiple Charging Ports: Having multiple charging ports can be advantageous, especially if you are backpacking with others or have several devices. This feature allows you to charge multiple devices simultaneously, ensuring that everyone stays connected without needing to wait for one device to finish charging.
- Durability and Weather Resistance: Backpacking often exposes your gear to harsh conditions. A portable charger designed to be rugged or weather-resistant will withstand the elements, ensuring that your charger remains functional despite rain, dust, or rough handling.
What Are the Ideal Weight and Size for a Backpacking Charger?
Size also matters; a compact charger around 5 to 6 inches in length fits easily in most backpacks without taking up much space. This size ensures that it can be stowed away quickly while still being accessible when needed.
Battery capacity is crucial for backpackers who rely on their devices for navigation or communication. A range of 10,000mAh to 20,000mAh provides enough power for multiple charges of smartphones or GPS devices, allowing for extended use without the need for frequent recharging.
Charging speed, including features like Quick Charge or Power Delivery, greatly enhances the efficiency of the charger. These technologies allow devices to charge faster, reducing downtime and keeping your electronics powered up during critical moments.
Finally, durability is essential for outdoor gear; a sturdy, water-resistant, or shockproof charger can withstand the rigors of backpacking trips. This resilience ensures that the charger continues to function well despite exposure to the elements or rough handling.
What Charging Speeds Should I Consider for Backpacking?
When considering charging speeds for backpacking, it’s important to focus on the capacity, output, and compatibility of portable chargers.
- Charging Speed (Wattage): Look for chargers that offer at least 18W output for fast charging capabilities.
- Battery Capacity (mAh): A higher mAh rating ensures you can recharge your devices multiple times during your trip.
- Port Type: Choose chargers with USB-C ports for faster charging and broader compatibility with modern devices.
- Pass-Through Charging: This feature allows you to charge the portable charger while simultaneously charging your devices, maximizing efficiency.
- Solar Charging Capability: Some portable chargers come with solar panels, providing an additional charging option while outdoors.
Charging Speed (Wattage) is crucial as it determines how quickly your devices can recharge. Chargers with at least 18W output can quickly power up smartphones and other gadgets, reducing downtime on your adventures.
Battery Capacity (mAh) is another key factor; a charger with a capacity of 10,000mAh or more can typically recharge a smartphone multiple times, allowing you to stay connected without the worry of running out of power.
Port Type is important for ensuring compatibility with your devices. USB-C ports not only support faster charging speeds but are also becoming the standard for many new electronics, making them a versatile choice for backpackers.
Pass-Through Charging can greatly enhance your charging efficiency. This feature allows you to charge the portable charger itself while it charges your devices, so you can keep everything powered without waiting for one to finish before starting the other.
Solar Charging Capability is an appealing option for backpackers who will be outdoors for extended periods. Portable chargers with solar panels can harness sunlight to recharge, providing an eco-friendly power source when traditional charging options aren’t available.
Why Are Durability and Waterproof Ratings Crucial?
When selecting a portable charger for backpacking, durability and waterproof ratings play a critical role in ensuring reliable performance in challenging environments.
Durability is essential because outdoor activities often expose gear to rough handling, impacts, and drops. A ruggedly constructed charger, often made from shock-resistant materials, can withstand the bumps and falls associated with hiking or climbing. For instance, chargers with military-grade standards can endure harsher conditions, making them ideal for adventure seekers.
Waterproof ratings safeguard your charger against unexpected weather. A portable charger with a high IP (Ingress Protection) rating, such as IP67 or IP68, ensures that it remains functional despite being submerged in water or exposed to heavy rain. This feature is particularly important for backpackers, who may encounter elements that could damage standard electronics.
Key considerations include:
– Shockproof designs: Look for rubberized edges and reinforced casing.
– Water resistance level: Verify the IP rating to ensure adequate protection.
– Sealed ports: Chargers with covered or sealed ports can prevent moisture entry.
Incorporating these features in your portable charger allows you to focus on your journey, knowing your devices are protected from both physical and environmental challenges.
What Are the Best Portable Chargers for Backpacking?
The best portable chargers for backpacking provide reliable power sources to keep devices charged while on the go.
- Anker PowerCore 20100mAh: This charger is known for its high capacity and compact design, making it ideal for extended trips.
The Anker PowerCore 20100mAh is a popular choice among backpackers due to its impressive capacity, allowing users to charge their devices multiple times before needing to recharge the power bank itself. Its slim profile makes it easy to pack without adding significant weight to your gear.
The RAVPower 26800mAh stands out for its ability to charge up to three devices simultaneously, making it a great option for those traveling in groups or for individuals with multiple gadgets. Its substantial battery capacity ensures that it can keep devices powered throughout a multi-day backpacking trip.
For those who prioritize outdoor durability, the Goal Zero Venture 70 is an excellent choice, featuring a waterproof design and the option to charge via solar panels. This versatility ensures that backpackers can keep their devices charged even in remote locations with limited access to electricity.
Zendure A3 is known for its robust construction, making it resistant to drops and impacts, which is an essential feature for rugged backpacking adventures. Additionally, it supports fast charging, enabling quick power-ups for devices when time is of the essence.
The Anker PowerPort Solar Lite is a lightweight solar charger that allows backpackers to utilize sunlight for charging their devices, making it a sustainable and eco-friendly option. Its compact design is a boon for those who want to minimize their pack weight while still ensuring they have power on the trail.
Which Affordable Options Are Recommended for Backpacking?
The best backpacking portable chargers combine capacity, weight, and durability to ensure you stay powered on your adventures.
- Anker PowerCore 10000: This compact charger offers a high capacity of 10,000mAh while remaining lightweight and portable.
Anker PowerCore 10000: The Anker PowerCore 10000 is a popular choice due to its perfect balance of size and power. Weighing just 6.3 ounces, it can fully charge most smartphones two to three times, making it a reliable option for extended trips without the bulk.
What Premium Chargers Offer the Most Features?
The best backpacking portable chargers offer a blend of portability, capacity, and features that cater to outdoor enthusiasts.
- Anker PowerCore 26800: This charger boasts an impressive capacity of 26,800mAh, allowing it to charge most smartphones multiple times, making it ideal for extended trips.
- RAVPower 20000mAh Portable Charger: With its dual USB output, this charger can charge two devices simultaneously, and it features fast charging technology to quickly power up your devices.
- Goal Zero Sherpa 100PD: This charger is designed specifically for outdoor use and includes a built-in AC outlet, allowing you to power laptops and other larger devices while on the go.
- Zendure A2: Known for its rugged design, the Zendure A2 has a durable exterior that can withstand the rigors of backpacking, and it offers fast charging capabilities for quick power-ups.
- Jackery Explorer 240: This portable power station can provide enough energy to run small appliances, making it a versatile option for camping and outdoor adventures.
The Anker PowerCore 26800 is a favorite among backpackers due to its massive battery capacity, which can recharge smartphones, tablets, and other devices multiple times without needing a recharge itself, ensuring that you stay powered up on long excursions.
The RAVPower 20000mAh Portable Charger stands out with its ability to charge two devices at once, making it perfect for those who travel with multiple gadgets, and its fast charging technology ensures devices are ready to go in a short amount of time.
The Goal Zero Sherpa 100PD is tailored for outdoor enthusiasts, featuring a robust design and a built-in AC inverter that allows you to charge laptops or other larger electronics, providing more versatility for tech-savvy campers.
The Zendure A2 combines portability with durability, offering a rugged exterior that can handle the bumps and drops typical in backpacking adventures while delivering fast charging for your devices when you need power quickly.
The Jackery Explorer 240 offers a unique solution for those who want to power small appliances during camping trips, providing a higher wattage output compared to traditional portable chargers, making it a great choice for more extensive power needs.
How Does a Portable Charger Enhance My Backpacking Experience?
A portable charger significantly enhances your backpacking experience by ensuring your devices remain powered and functional during your adventures.
- Convenience: A portable charger allows you to recharge your devices on-the-go, eliminating the need to find power outlets in remote locations.
- Device Compatibility: The best backpacking portable chargers come with multiple ports and compatibility options, making them suitable for various devices like smartphones, GPS units, and cameras.
- Lightweight Design: Many portable chargers are designed to be compact and lightweight, ensuring they don’t add unnecessary bulk to your backpack while still providing ample power.
- Durability: Quality portable chargers often feature rugged designs that can withstand the elements, making them ideal for outdoor conditions encountered while backpacking.
- Energy Efficiency: Advanced portable chargers utilize technologies that optimize energy transfer and minimize power loss, allowing you to get the most out of every charge.
- Solar Charging Options: Some portable chargers come with solar panels, allowing you to harness sunlight for recharging, which is especially useful during extended trips in sunny areas.
The convenience of a portable charger means that you can keep your essential devices charged, ensuring that navigation tools, emergency contacts, and photography capabilities are always at your fingertips.
Device compatibility is crucial, as a well-chosen portable charger can cater to a range of electronics, ensuring that you can charge everything from your phone to your action camera without hassle.
Lightweight design is a significant advantage, as backpackers aim to minimize pack weight; a good portable charger can provide substantial power without being a hindrance.
Durability is essential for outdoor gear; a robust portable charger can survive drops and adverse weather, so you can rely on it in challenging conditions.
Energy efficiency not only extends the life of your devices but also ensures that you can make the most of limited charging opportunities in remote settings.
Solar charging options add versatility to your power supply, especially during long trips where traditional charging methods may not be available.
What Benefits Do I Gain from Staying Connected While Backpacking?
Staying connected while backpacking offers several advantages that enhance safety, convenience, and enjoyment during your journey.
- Emergency Communication: Having a reliable way to communicate can be crucial in case of an emergency. Whether you encounter an injury, get lost, or face unexpected weather changes, staying connected allows you to call for help or inform loved ones of your status.
- Navigation: Modern smartphones and portable chargers enable you to use GPS and mapping applications that can guide you along your route. This helps prevent you from straying off course and allows for real-time updates on trail conditions or detours.
- Sharing Experiences: Staying connected allows you to document and share your experiences with friends or family in real-time through social media or messaging apps. This connection can enhance your experience by keeping loved ones informed and engaged in your journey.
- Access to Information: With internet access, you can look up important information, such as weather forecasts, trail reviews, or nearby attractions. This can help you make informed decisions about your route and activities, ensuring a more enjoyable and safe trip.
- Entertainment: Long stretches of hiking can sometimes become monotonous. Having a portable charger means you can keep your devices charged to listen to music, podcasts, or audiobooks, providing entertainment during downtime or while resting.
- Photography and Memories: With a charged device, you can capture high-quality photos and videos of your adventures. This not only helps preserve memories but also allows you to share the beauty of nature with others, fostering a deeper appreciation for your surroundings.
What Are the Risks of Not Having a Portable Charger?
Not having a portable charger can lead to several risks, especially during activities like backpacking where access to power sources may be limited.
- Loss of Communication: When your devices run out of battery, you lose the ability to communicate with friends, family, or emergency services.
- Navigation Challenges: Many backpackers rely on GPS apps for navigation; without a charged device, you may become lost or unable to find your way.
- Inability to Capture Memories: Running out of battery means missing the opportunity to take photos or videos of your adventure, which can be disappointing.
- Safety Risks: In remote areas, having a charged phone can be crucial for safety, especially if you encounter an emergency situation.
- Lack of Access to Information: Without power, you can’t access vital information such as weather updates, trail maps, or emergency contacts.
Loss of Communication can be particularly concerning in situations where you may need assistance or want to keep your loved ones informed about your whereabouts. A dead phone can leave you isolated, making it difficult to get help if needed.
Navigation Challenges arise when your device, which typically houses your maps and GPS, is out of battery. This situation can lead to getting lost, which is particularly dangerous in unfamiliar terrain.
Inability to Capture Memories affects your ability to document your experiences. Many backpackers enjoy sharing their adventures through photography or social media, and a dead battery can mean losing those moments forever.
Safety Risks are heightened without a charged phone, as it limits your ability to call for help in emergencies, such as injuries or sudden weather changes. A portable charger ensures that you can maintain access to assistance when it matters most.
Lack of Access to Information is another significant concern; without a charged device, you miss crucial updates on trail conditions or weather changes that could impact your trip. Being informed is essential for making safe decisions while backpacking.
What Tips Should I Follow for Using a Portable Charger on the Trail?
Battery capacity is crucial since it determines how many times you can charge your devices. A charger with at least 10,000mAh can typically recharge most smartphones two to three times, which is often sufficient for a weekend trip.
Durability and weather resistance are essential for outdoor gear. A rugged design will protect your charger from drops and impacts, while weather-resistant features will help it survive rain or moisture exposure.
Solar charging capability can be a game-changer on longer hikes where access to electricity is limited. Solar chargers can be a reliable backup to keep your devices charged as you enjoy the great outdoors.
Having multiple USB ports allows you to charge several devices, such as a phone and a GPS unit, at the same time. This feature is particularly beneficial for group outings where multiple people may need to charge their devices.
Compatibility with your devices ensures that your charger can deliver the required voltage and current efficiently. Always check the specifications of the charger to avoid damaging your devices due to improper charging.
Pre-charging your portable charger is a simple yet vital step that ensures you start your adventure with a full battery. This preparation can prevent unexpected power outages during your hike.
Using the right cables is essential for effective charging. High-quality cables can enhance charging speed and durability, making sure they can handle the rigors of outdoor use without breaking or fraying.
How Can I Maximize My Portable Charger’s Battery Life?
Turn Off When Not in Use: Many portable chargers have built-in power management features, but turning them off when they are not needed helps prevent any power drain. This simple step can help retain battery life over extended periods.
Optimize Output Settings: If your portable charger has adjustable output settings, select the one that matches your device’s requirements. This not only speeds up charging but also prevents overheating and energy wastage.
What Charging Techniques Are Most Effective for Backpackers?
When it comes to keeping devices charged while backpacking, several effective charging techniques can be utilized:
- Solar Chargers: These chargers harness energy from sunlight, making them ideal for outdoor environments. They are often lightweight and portable, allowing backpackers to charge devices while on the move or during breaks, although their effectiveness can be limited by weather conditions and the intensity of sunlight.
- Power Banks: Power banks are external battery packs that store electrical energy for later use. They come in various capacities, allowing backpackers to choose one that fits their needs, and they can charge multiple devices multiple times, making them a reliable option for extended trips.
- Portable Solar Panels: Unlike small solar chargers, portable solar panels are larger and can charge power banks or devices directly. They are particularly useful for longer treks where access to electrical outlets is nonexistent, but they require a clear and sunny location to be effective.
- Hand-Crank Chargers: These eco-friendly chargers utilize manual labor to generate power, allowing backpackers to charge their devices without relying on sunlight or electricity. While they require effort to use, they can be a valuable backup in emergencies when other charging methods are unavailable.
- Multi-Device Charging Cables: These cables allow for the simultaneous charging of multiple devices, which can be particularly beneficial for backpackers with several gadgets. They help reduce the number of cables carried, saving space and weight in a backpack.
- Battery Management Apps: While not a physical charging technique, using battery management apps on devices can help extend battery life. These apps optimize settings and monitor usage, ensuring that devices last longer between charges, which is essential during long hikes.