Home 5 Best Solar Chargers for Backpacking: Power Up Off the Grid

5 Best Solar Chargers for Backpacking: Power Up Off the Grid

by Chase Whartnaby
top solar chargers for backpacking

As modern adventurers seek to disconnect from the urban sprawl and reconnect with the natural world, sustainable and reliable energy sources become paramount for those venturing off the grid.

Solar chargers have become an indispensable tool for backpackers who wish to maintain a lifeline to the digital world or keep essential devices operational. In this discussion, we will meticulously evaluate five of the leading solar chargers that boast the functionality and efficiency required for the rigors of backpacking.

Our selection includes various options, from the Hiluckey Solar Charger 25000mAh with its expansive solar panels to the compact and wireless convenience offered by the Riapow Solar Power Bank 26800mAh.

Critical factors such as charging capacity, portability, durability, and additional features will be scrutinized to aid you in discerning which solar charger aligns best with your outdoor power needs.

As we analyze each device’s distinct advantages and potential constraints, one may find a newfound appreciation for the harmonious balance between technological innovation and environmental consciousness.

Hiluckey Solar Charger 25000mAh with 4 Solar Panels and USB C (3A Fast Charge, 3 USB Outputs)

high capacity solar charger with fast charging and multiple outputs

For avid backpackers who prioritize power autonomy on the trail, the Hiluckey Solar Charger offers a robust and efficient charging solution with its 25000mAh capacity and quartet of solar panels. This outdoor USB C portable power bank is designed to cater to the high demands of modern devices, offering 3A fast charge capabilities and compatibility with smartphones, tablets, and more.

With the ability to charge a cell phone up to 6-8 times and a tablet approximately 2.5 times, the Hiluckey Solar Charger ensures ample power supply. Its large solar panels can achieve up to 6W in direct sunlight, optimizing solar energy conversion into electrical energy. Additionally, the charger boasts an upgraded 15W output, capable of charging an iPhone to 50% in just 30 minutes, which is particularly useful in outdoor settings where conventional power sources are unavailable.

The built-in bright flashlight, compact design, and ease of attachment to a backpack further enhance its outdoor utility.

Best For: Outdoor enthusiasts and travelers needing a reliable power source for extended trips away from conventional charging options.


  • High-capacity battery that can charge smartphones 6-8 times and tablets up to 2.5 times.
  • Features four solar panels for renewable charging and a 3A fast charge option for quick power-ups.
  • Rugged design with a built-in flashlight, perfect for camping and emergencies.


  • It is heavier than other portable chargers, which may concern some users.


BigBlue 28W Solar Charger with 3 USB Ports (Compatible with Smartphones & Tablets)

high powered solar charger with multiple usb ports

Ideal for outdoor enthusiasts, the BigBlue 28W Solar Charger offers a compact and waterproof charging solution with its high solar conversion rate and triple USB ports, catering to the needs of smartphone and tablet users on the go.

This upgraded model boasts a lightweight design that easily fits into a backpack, making it an essential item for camping trips or areas with unreliable power sources. Despite its inability to charge laptops and iPad Pro, it is highly compatible with Android and Apple phones.

The package includes the solar charger, a USB-A to USB-C cable, a user manual, and customer service support. Users have reported positive experiences, indicating efficient charging in direct sunlight, although the charging speed can vary with cloud cover.

With a maximum output of 5V/2.4A per port and 5V/4.8A in total, the BigBlue 28W Solar Charger is equipped with a PET polymer surface and additional rubber covering for durability, ensuring it can withstand the elements and provide reliable charging when you need it most.

Best For: Outdoor adventurers who need a portable and durable power source for their smartphones and tablets while off the grid.



  • Unable to charge laptops and iPad Pro, limiting its use for larger devices


42800mAh Solar Power Bank with Fast Charging and built-in Flashlight (Light Orange)

solar power bank with flashlight

Backpackers seeking a robust and reliable power source will find the 42800mAh Solar Power Bank with Fast Charging and Built-in Flashlight an indispensable companion on their journeys. Constructed from professional-grade ABS material, this power bank is engineered to withstand water, drops, and dust, making it a durable choice for the rugged outdoors. Its compatibility with all USB devices and QC3.0 fast charging support ensures that essential gadgets remain powered. The integrated super bright LED flashlight is valuable for nighttime navigation or emergencies.

Despite being marketed as a solar charger, users should note that the solar charging function is intended for emergency use, given its slower charging rate than conventional methods. While some users have found the power bank somewhat bulky and heavy, its high capacity and solid build quality have garnered positive feedback, with many appreciating its multiple-day charging capability and the convenience of charging several devices at once.

Best For: Outdoor enthusiasts need a durable and high-capacity power solution with the added benefit of solar charging for emergencies.


  • The high 42800mAh capacity allows for multiple device charges, enhancing off-grid power reliability.
  • Rugged construction with professional ABS material, waterproof, and drop-proof design suitable for outdoor use.
  • Versatile charging options include multiple USB ports and a super bright flashlight for emergencies.


  • Solar charging is considerably slower, primarily for emergencies rather than as the primary charging source.


LUVKNIT 10W Portable Solar Charger Power Bank with Folding Solar Panel

portable solar charger power

Outdoor enthusiasts seeking to maintain a charge on their devices while moving will find the LUVKNIT 10W Portable Solar Charger Power Bank, with its folding solar panel, an indispensable tool for their journeys. This compact charger stands out with its high-efficiency monocrystalline solar panels that boast a conversion rate of up to 24%, ensuring devices are powered swiftly using free solar energy. The built-in 10,000mAh battery can be fully recharged in 5 hours, providing reliable power for phones, tablets, and other USB-A and TYPE-C compatible devices.

With a weight of 1.9 pounds and dimensions of 3 x 3 x 3 inches, the LUVKNIT charger is portable and easy to store, making it an essential item for any off-grid adventure. Its durable, weather-resistant design and waterproof features allow it to endure the rigors of outdoor use. The package includes a carabiner, Type C cable, and user manual, and the product is backed by a 12-month warranty, ensuring customer satisfaction and peace of mind.

Best For: Outdoor adventurers and tech-savvy travelers who must keep their devices charged in off-grid conditions.


  • High-efficiency solar panels with a conversion rate of up to 24% for quick and free energy from the sun.
  • Compact, portable design with a durable, weather-resistant, and waterproof build suitable for outdoor use.
  • Built-in 10,000mAh battery provides ample power to charge multiple devices and supports fast-charging technology.


  • I am limited to 10W output, which may not be sufficient for charging larger devices or multiple gadgets simultaneously.


Riapow Solar Power Bank 26800mAh with Wireless Charging & Flashlight

wireless charging solar power bank

Harnessing the sun’s power, the Riapow Solar Power Bank 26800mAh stands out with its wireless charging capability and built-in flashlight, offering tech-savvy travelers a reliable power source while on the move. Its ultra-high-capacity can fast charge four devices simultaneously, significantly reducing downtime for adventurers dependent on their tech. The unit features a USB C port, enabling 2.5X faster recharging, and its solar panel serves as a sustainable backup for recharging via sunlight.

Despite its robust features, users noted drawbacks such as the power bank’s bulkiness and the solar panel’s relatively slow charging speed in emergencies. While the integrated LED flashlight with three modes is widely appreciated, some travelers have expressed concerns over the weight and the occasional inefficiency of the wireless charging function. Nevertheless, the Riapow Solar Power Bank remains popular among outdoor enthusiasts for its versatility and high-capacity storage.

Best For Adventurers and tech enthusiasts looking for a high-capacity power bank with solar charging capabilities and wireless convenience.


  • Advanced wireless charging for QI-enabled devices and high-capacity batteries allow for the simultaneous charging of multiple gadgets.
  • The integrated solar panel offers a renewable energy option for recharging, complementing its fast 2.5X recharging via USB C.
  • Built-in LED flashlights with multiple modes enhance utility for outdoor activities and emergencies.



Factors to Consider When Choosing a Solar Charger for Backpacking

choosing a solar charger

Selecting the appropriate solar charger for backpacking is a critical decision that hinges on several key considerations.

Weight and portability are paramount for ease of travel, while charging efficiency and power output determine the device’s practicality in remote locations.

Additionally, the durability of the charger and the type of solar panel used are crucial for long-term reliability in diverse environmental conditions.

Weight and Portability

When embarking on a backpacking adventure, the weight and portability of a solar charger are crucial considerations to ensure it complements rather than hinders your journey. Lightweight and compact designs are imperative, as they minimize the additional weight in your backpack, allowing for a more comfortable trek. The solar charger must be easily attached to your pack or carried without causing discomfort, which can make a significant difference over long distances.

An ideal solar charger offers an optimal balance, both easy to carry and efficient. Prioritize models that are lightweight and easy to pack, ensuring they are convenient companions that seamlessly integrate into your backpacking gear.

Charging Efficiency

While weight and portability are essential for ease of travel, the charging efficiency of a solar charger is equally vital to ensure your devices remain powered throughout your backpacking excursion. Charging efficiency is crucial in determining how well the solar charger converts sunlight into electrical energy.

High-quality solar panels with superior solar conversion rates are fundamental for quick and effective charging. It is essential to assess the charging efficiency in conjunction with the power bank’s capacity, confirming that the charger can meet the energy demands of your devices.

Optimal charging efficiency is indispensable for consistent power supply during prolonged outdoor activities, making it a key consideration when selecting a solar charger for backpacking.

Durability and Build

The resilience of a solar charger is a pivotal aspect to consider for backpackers in the wilderness. This resilience is defined by the charger’s build quality and choice of materials. Robust construction ensures that the charger can endure the physical demands of outdoor adventures, such as accidental drops and exposure to rough terrain. Impact resistance is crucial, as a rugged design increases the device’s chances of survival after bumps and falls.

Weatherproofing is another essential factor to consider. Features like waterproofing and dust resistance safeguard the charger’s functionality in diverse conditions. This is particularly important for backpackers who face unpredictable elements in the wilderness.

In addition to build quality and weatherproofing, the choice of materials also contributes to the charger’s resilience. Quality materials are crucial for both the housing, panels, and ports and the overall longevity of the charger. This makes it a reliable companion for extended trips and frequent use in the great outdoors.

Panel Type

Having examined the importance of durability in solar chargers for backpacking, evaluating the types of solar panels they employ is equally critical, as this choice directly influences the charger’s efficiency and effectiveness in various environments.

Monocrystalline and polycrystalline panels are the most prevalent, with monocrystalline being more efficient but typically more expensive. Polycrystalline panels, while slightly less efficient, are usually more cost-effective.

Thin-film panels, known for their lightweight and flexible attributes, offer unique advantages for backpackers who prioritize portability. Although they are less efficient than their crystalline counterparts, their adaptability to different conditions can be beneficial.

Ultimately, the selection of panel type should be based on a balance of charging capabilities, weight, and the expected weather circumstances during the backpacking trip.

Power Output

When selecting a solar charger for backpacking, it is imperative to consider the power output to ensure it aligns with your devices’ charging requirements. A charger with a higher power output can charge multiple devices more quickly, which is particularly beneficial for longer trips where time and sunlight may be limited. The charging speed is directly influenced by the output, making it essential to select a solar charger with an output that matches the needs of your devices.

Moreover, solar chargers with substantial power output are crucial in emergencies or remote areas where traditional electricity sources are unavailable. To avoid compatibility issues, verify that the solar charger’s power output suits the devices you plan to bring on your backpacking adventure.

Compatibility Options

Understanding the power output of a solar charger is only part of the equation; ensuring device compatibility is equally crucial for a seamless experience while backpacking. When selecting a solar charger, confirm it matches the specific needs of your devices, such as smartphones and tablets. It should have the appropriate connectivity options like USB or USB-C ports to align with your gadgets.

Furthermore, the charger’s power output and charging speed should meet the requirements of your devices to avoid inefficiency. Opt for models with multiple outputs if you charge several devices concurrently.

Lastly, verify that the solar charger is suited for the types of batteries in your devices, preventing any potential compatibility issues that could disrupt your journey off the grid.

Extra Features

Selecting a solar charger with additional features can significantly enhance the convenience and effectiveness of powering devices while on the trail. Fast charging capabilities are precious for those looking to quickly replenish their devices during limited sunlight hours. A built-in flashlight feature can prove indispensable for nighttime navigation or unexpected emergencies, adding a layer of safety and utility.

When evaluating solar chargers, it’s essential to consider the weight and size, particularly for backpackers who must manage their load carefully. A lightweight and compact design ensures easy portability. Solar conversion and efficiency are also critical; a higher rate means more effective energy harnessing. Lastly, options with multiple USB ports or wireless charging capabilities allow for simultaneous charging of several devices, making them a versatile choice for tech-savvy hikers.

Frequently Asked Questions

Can Solar Chargers Power a Laptop or Other High-Energy Devices While Backpacking?

Solar chargers can power laptops and similar high-energy devices during backpacking trips, provided they are sufficiently robust and paired with the appropriate charging cables and adapters for the devices in question.

How Do Temperature Extremes Affect the Performance and Lifespan of Portable Solar Chargers?

Temperature extremes can significantly reduce the efficiency and longevity of portable solar chargers by causing material degradation and altering electronic properties, leading to potential failure or diminished charging capacity over time.

Are Solar Chargers Typically Water-Resistant or Waterproof, and Can They Be Used Safely in Rainy Conditions?

Solar chargers vary in design, with some being water-resistant or waterproof. Verify the IP rating for safe usage in rainy conditions, indicating the protection level against water ingress.

What Is the Expected Average Lifespan of a Portable Solar Charger With Regular Use on Backpacking Trips?

The average lifespan of a portable solar charger with regular use is approximately five years. However, longevity can vary based on the frequency of use, maintenance, and environmental conditions experienced during backpacking trips.

Can Multiple Devices Be Charged Simultaneously Without Significantly Reducing the Charging Speed or Efficiency of the Solar Charger?

Most high-quality solar chargers are designed to charge multiple devices simultaneously with minimal impact on charging efficiency, provided the total power draw does not exceed the charger’s maximum output capacity.

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