When planning any outdoor adventure or simply seeking sustainable power solutions, having a reliable solar charger can be a game changer. Solar chargers are not just about converting sunlight into electricity; they’re about ensuring that you stay connected, even in remote locations. With technology evolving, solar chargers have become more powerful and portable, making them perfect for backpackers, campers, and anyone who enjoys spending time outdoors.
Here are few key factors to consider while buying the best solar charger:
- Wattage: Seek for a charger that balances portability with power. A 15-50watt panel efficiently charges smartphones and tablets, while higher wattages are ideal for laptops and cameras.
- Connector: Look for chargers with multiple connector options or USB-C for universal use, ensuring your devices connect seamlessly.
- Efficiency: Opt for models with 21%-25% efficiency; they convert more sunlight into usable energy, making them indispensable in low-light conditions.
Choosing the best solar charger depends on your needs. Look for reliability, portability, and charging speed. Our “Buying Guide” offers expert insights to help you pick the perfect charger for your adventures.
Best Solar Charger in Chart
| Best Solar Charger | Wattage | Connector Type | Buy Now |
|---|---|---|---|
| BigBlue Solar Charger | 28W | USB Type A | Check On Amazon |
| ALLPOWERS Solar Charger | 100W | USB Type C | Check On Amazon |
| FlexSolar Solar Charger | 40W | USB A (QC3.0) | Check On Amazon |
| X-DRAGON Solar Charger | 20W | USB Type A | Check On Amazon |
| Goal Zero Solar Charger | 50W | USB | Check On Amazon |
| SunJack Solar Charger | 15W | USB Type C, USB Type A | Check On Amazon |
Best Solar Charger Reviews
1. BigBlue Solar Charge
With its strong performance and smart design, this 28w solar charger from BigBlue is a top choice for the outdoor enthusiast. It converts sunlight to usable power with an impressive efficiency of 24%, ensuring your devices charge quickly.
This charger has three USB-A ports, so you can charge multiple devices at once. This is great when you’re in a group. Its smart charging technology adjusts the output to your device’s needs, making charging faster and safer.
During a week-long camping trip, I found the charger to be lightweight and durable. The solar panels have a special PET polymer coating, which handles rain and fog well. The rubber cover protects the USB ports from dust and water.
Specifications:
- Efficiency: 24%
- Weight: 671 Grams
- Dimensions:1″L x 6.3″W x 0.2″H
- Output: Triple USB-A Ports (Max 2.4A per port)
- Waterproof Rating: IPX4
- Material: Monocrystalline Silicon
- Portable Design: Compact and foldable
- Smart Charging Technology: Yes
- Protection: Overcurrent, overheating, and short-circuit
- Compatibility: Suitable for Android and Apple devices
Pros:
- High conversion efficiency
- Can charge multiple devices simultaneously
- Compact and easy to transport
- Durable construction suitable for outdoor use
- Smart charging technology protects devices
Cons:
- Does not include cables for Apple devices
2. ALLPOWERS Solar Charger
For those seeking efficient off-grid solutions, this 100w solar charger from ALLPOWERS is superior with its impressive 23.5% efficiency rate. This charger can power many devices such as smartphones, laptops, and portable generators. It is very useful for off-grid power needs.
It weighs 4.73 kg and unfolds to 37″ x 37″. This gives it good power capacity but it’s still manageable in size. It has two USB ports and a DC output, allowing you to charge multiple devices at once without slowing down the charging speed.
The charger is strong and has a waterproof surface, making it durable for tough outdoor conditions. While it is bigger and heavier, which may be a drawback for light travel, its power output makes up for it.
Specifications:
- Efficiency:5%
- Weight: 4,730 Grams
- Dimensions: 37″ x 37″ x 0.39″
- Output: 2 USB ports (5V/2.4A per port), 1 DC output (18V/5A)
- Material: Monocrystalline Silicon
- Portable Design: Foldable
- Waterproof: Yes, with special surface treatment
- Compatibility: Smartphones, Laptops, Portable Generators
Pros:
- High efficiency for effective charging.
- Versatile connectivity options suit a range of devices.
- Built to endure diverse environmental conditions.
- Substantial power output ideal for longer trips.
- Waterproof and robust for reliable outdoor use.
Cons:
- Less convenient for extremely light packers.
3. FlexSolar Solar Charger
This highly efficient Solar Charger, offered by FlexSolar, features 20w with a conversion rate of 24%, making it perfect for efficiently powering up your devices. It is very portable, weighing only 1.3 kg, and folds into a small size, making it great for light packers and hikers.
It has several charging ports, including USB (QC 3.0), USB-C (PD 2.0), and a DC output. This makes FlexSolar a flexible charging solution for devices like smartphones, cameras, and laptops. Its IP67 dustproof and waterproof rating means it works well in all conditions, from dusty trails to sudden rain.
Even though it is lightweight and has many charging options, the energy output can change with sunlight intensity. But, it can keep a steady power supply in good conditions, making it a reliable choice for outdoor activities.
Specifications:
- Efficiency: 24%
- Weight: 1,300 Grams
- Dimensions:0″ x 11.1″ x 1.8″ (folded)
- Output: USB (QC 3.0), USB-C (PD 2.0), DC5521
- Material: Monocrystalline Silicon
- Portable Design: Lightweight, foldable
- Waterproof Rating: IP67
- Compatibility: Smartphones, Cameras, Laptops
Pros:
- High efficiency ensures quick charging.
- Multiple output ports offer versatile connectivity.
- Lightweight and foldable, perfect for on-the-go use.
- Robust against water and dust, suitable for rough conditions.
- Advanced safety features protect against overcharging and short circuits.
Cons:
- Performance depends heavily on direct sunlight.
4. X-DRAGON Solar Charger
X-DRAGON Solar Charger is known for its small size and high efficiency. It uses SunPower 20w solar cells with a conversion efficiency of 22%-25%. This is much higher than many other chargers, which are usually around 15%. This means it can convert sunlight into energy more effectively, charging devices quickly and reliably.
Despite being lightweight and slim, this product is very durable. It is covered in tough Oxford fabric that can handle outdoor use, including dust, debris, and light water exposure. It has two USB ports, allowing you to charge multiple devices at the same time, from smartphones to tablets. This makes it very useful for outdoor activities.
The real advantage of the X-DRAGON is its portability. It folds down to a size just a bit larger than a tablet and weighs about 1.34 pounds. This makes it a great choice for backpackers, campers, and anyone who needs to keep their gadgets powered without adding much weight to their pack.
Specifications:
- Efficiency: 22%-25%
- Weight:34 Pounds
- Dimensions:1″L x 7.2″W x 0.51″H
- Output: Dual USB 5V 2A or overall 3A
- Material: Monocrystalline Silicon, PVC Fabric
- Portable Design: Foldable, lightweight
- Special Features: Water-resistant, fast charging, solar intensity indicator
- Compatibility: Wide range of USB devices
Pros:
- High conversion efficiency for faster charging.
- Lightweight and compact, ideal for minimizing travel load.
- Dual USB ports allow simultaneous charging of two devices.
- Durable and suitable for various outdoor conditions.
- Cost-effective given the high performance and features.
Cons:
- Performance can vary significantly with changes in sunlight intensity.
5. Goal Zero Solar Charger
Finally, we have the solar charger from Goal Zero, a strong player in the portable solar market offering 50 watts of power. This is great for charging smartphones and portable cooling units.
This charger is ideal for high-demand devices. It works well with Goal Zero power stations and other USB devices. Built-in charging cables and the option to add more solar panels improve its performance. This makes charging faster and more efficient.
Its sturdy build is perfect for outdoor use, making it reliable whether you’re camping or facing a power outage at home. However, the larger size and weight when folded might not suit those who need ultra-light packing. But for car campers, RV enthusiasts, or emergencies, it offers a good balance of portability and powerful charging capacity.
Specifications:
- Efficiency: High (specific percentage not provided)
- Weight:1 Kilograms
- Dimensions: 45″L x 0.98″W x 14.02″H
- Output: Built-in USB port, 8mm charging cable
- Material: Monocrystalline Silicon
- Portable Design: Foldable into a protective case
- Compatibility: Goal Zero power stations, USB devices
Pros:
- High power output suitable for a range of electronic devices.
- Durable and built to withstand harsh outdoor conditions.
- Integrated cables and the ability to chain panels increase versatility.
- Supports simultaneous charging of multiple devices.
- Engineered for efficient energy conversion.
Cons:
- Requires a larger area for setup, less ideal for on-foot travel.
6. SunJack Solar Charger
For those who need a reliable solar charger in a portable form, this SunJack delivers with its 15-watt power output and dual USB functionality, perfect for travel and outdoor activities. Its lightweight and foldable design makes it easy to carry in a backpack or camping gear.
What makes the SunJack special is its magnetic closure system. This feature makes setup and teardown easy, offering a hassle-free experience. The ETFE construction ensures durability and improves light absorption, increasing efficiency. Despite its small size, the charger is versatile and works with many USB devices, like smartphones and tablets.
A key advantage is the smart IC chip, which manages the charging process to maximize speed and protect devices from damage. Even though it’s compact, it performs well in direct sunlight, keeping devices charged all day.
Specifications:
- Efficiency: High (specific percentage not provided)
- Weight: 640 Grams
- Dimensions:5″ x 8.82″ x 0.1″ (unfolded)
- Output: USB-C (5V/3A), USB-A (5V/3A)
- Material: Monocrystalline Silicon, ETFE Laminated
- Portable Design: Foldable with magnetic closure
- Waterproof: Yes, IP67 rated for USB ports
- Compatibility: USB devices including iPhones, Samsung, Pixel, iPads
Pros:
- Fast charging speeds comparable to wall outlets.
- Highly portable and lightweight with magnetic closure.
- Durable ETFE lamination enhances UV light absorption.
- Smart IC technology ensures safe and efficient charging.
- Waterproof and rugged, suitable for all weather conditions.
Cons:
- Limited to 15 watts, may not be suitable for high-power needs.
Factors To Consider While Buying The Best Solar Charger
When considering the purchase of Solar charger, there are several key factors to evaluate to ensure you select the best product for your needs.
1. Solar Panel Type
- Monocrystalline Solar Panels: These are made from a single continuous crystal structure and are known for their high efficiency and durability. They typically offer the best performance in low-light conditions.
- Polycrystalline Solar Panels: Made from multiple crystalline cells, these panels are slightly less efficient than monocrystalline but usually come at a lower price point. They are easier to produce and more common in consumer products.
- Thin-Film Solar Panels: These panels are made by placing one or more layers of photovoltaic material on a substrate. They offer the least efficiency but are lightweight and flexible, making them suitable for varying applications.
2. Wattage
The wattage of a solar charger dictates how quickly it can charge your devices. For smartphones, a 5-15 watt charger is typically sufficient, while charging larger devices like tablets or laptops may require 15-50 watts. Higher wattage chargers are also faster but may be bulkier.
3. Connector
Ensure that the solar charger offers the right type of connectors for your devices. Common types include USB-A, USB-C, and micro-USB. Some chargers come with multiple ports or adaptable connectors to charge several devices simultaneously.
4. Portability
Portability is essential for outdoor use. Lighter chargers are around 0.5-2 pounds and are ideal for backpacking and hiking. Those weighing between 2 and 5 pounds might offer more power and are suitable for car camping or longer stays.
5. Durability
Look for solar chargers designed to withstand environmental elements. Durability is often indicated by an IP (Ingress Protection) rating, where higher numbers denote better protection. Ratings like IPX4 or IPX7 suggest the charger is water-resistant or waterproof, making it suitable for various outdoor conditions.
6. Additional Features
Additional features can enhance the usability and functionality of a solar charger:
- Integrated Battery: Some chargers come with a built-in battery, allowing you to store energy for later use, which is helpful in areas with intermittent sunlight.
- Foldability: Chargers that fold are easier to transport and store.
- LED Indicators: These can show the charging status and power levels.
- Automatic Restart: Some chargers can detect when connected devices are fully charged and stop charging, which helps preserve the battery life of the device and the charger.
FAQs:
Charging speed depends on the solar charger’s wattage and your device’s battery capacity. Higher wattage chargers will provide faster charging, but sunlight intensity also plays a role.
Yes, some high-wattage solar chargers can charge laptops, but it might take longer than a regular outlet.
The size depends on your needs. Bigger chargers offer higher wattage for faster charging but are less portable. Smaller chargers are good for maintaining a charge on your phone while hiking.
Solar charger batteries typically last for several years with proper care.
Conclusion
When selecting the best solar charger for your needs, three standout options are:
- BigBlue Solar Charger: Ideal for those prioritizing efficiency and the ability to charge multiple devices simultaneously, making it perfect for group outings.
- FlexSolar Solar Charger: Best for individuals seeking lightweight, portable solutions without compromising on performance, especially suited for solo adventurers.
- SunJack Solar Charger: Offers a blend of rugged durability and high-speed charging capabilities, excellent for users who face diverse outdoor conditions and need reliable, quick power access.
Each of these chargers provides unique strengths, catering to different outdoor power needs.
