Anker
Anker 21W 2-Port USB Portable Solar Charger with Foldable Panel, PowerPort Solar
Best portable charger for outdoor enthusiasts needing off-grid power.
Harness the power of the sun with the Anker 21W 2-Port USB Portable Solar Charger. This charger is ideal for off-the-grid adventures, featuring a highly efficient 21-watt SunPower array to power two devices simultaneously. Anker's PowerIQ technology ensures the fastest possible charging speed for your gadgets. Built for durability, it uses industrial-strength PET solar panels encased in rugged polyester canvas for weather resistance. Its compact, lightweight design with stainless-steel eye-holes allows easy attachment to backpacks or tents, providing reliable power wherever you roam. Includes a 3ft Micro USB cable and an 18-month warranty.
$119.99
Owner Satisfaction
4.6
/ 5
Category Rank
243
/ 3505
#243 in Power Adapters & Chargers
Price vs Category Average
-59%
Below average
Solar Array Power
21
/ W
Who it's for
- Campers needing fast charging for multiple mobile devices
- Outdoor adventurers requiring rugged, packable power solutions
- Users wanting optimized charging speeds for various electronics
Who should skip it
- Backpackers needing reliable power after sunset
- Users who prefer a set-and-forget charging experience
- Ultralight hikers prioritizing minimal pack weight and size
Performance breakdown
Conversion Efficiency
SunPower cells deliver reliable energy even under less than ideal conditions.
Portability
Lightweight foldable design clips effortlessly to any standard hiking backpack.
Build Durability
Rugged polyester canvas withstands harsh outdoor elements and frequent trail use.
Charging Versatility
Dual USB ports handle two devices simultaneously with consistent power distribution.
Smart Charging Speed
PowerIQ technology intelligently optimizes current to match your specific device requirements.
Mounting Convenience
Stainless-steel eyelets allow for secure, flexible positioning on tents or packs.
Key Specs
Solar Array Power
21W
Output Ports
2 USB-A ports
Maximum Output Current
3.0A overall
Enclosure Material
Rugged polyester canvas with PET polymer solar panels
Folded Dimensions
11.1 x 6.3 inches
Weight
14.7 oz (0.416 kg)
Safety Features
Short circuit and surge protection
Included Accessories
3ft Micro USB cable, welcome guide
Features
- 21W solar charging power
- Charges two devices simultaneously
- Fast charging with PowerIQ
- Durable and weather-resistant construction
- Ultra-portable and lightweight design
- Easy mounting with eye-holes
- Short circuit and surge protection
- Backed by an 18-month warranty
What customers say
Customers highly regard the Anker 21W Solar Charger for its exceptional efficiency and robust build quality. Users confirm the 21W output delivers genuinely effective, rapid charging for phones and tablets in direct sunlight, outperforming lower wattage options. Its foldable design enhances portability, making it ideal for outdoor activities and emergency kits. A key point of satisfaction is the reliable power delivery managed by Anker's PowerIQ technology, ensuring optimized speed even when charging two devices simultaneously. Reviewers consistently praise the product's durability, confirming its ability to withstand rugged use. While performance naturally dips in overcast weather, the overall consensus is that the speed, reliability, and longevity justify the investment, establishing it as an outstanding value for dependable off-grid power.
Know before you buy
Yes, the charger features two USB-A ports that allow you to charge two devices simultaneously. The total maximum output current is 3.0A, which is shared between the connected devices.
No, this device does not have an internal battery. It is designed to charge your gadgets directly from the sun, so it works best when your devices are plugged in while the panels are in direct sunlight.
The charger features stainless-steel eye-holes at the corners, allowing you to easily clip it to your backpack or tent using carabiners. This keeps the panels exposed to sunlight while you are on the move.
Solar efficiency drops significantly in cloudy or shaded conditions. For the best results, place the panels in direct, unobstructed sunlight to ensure the PowerIQ technology can maintain a consistent charge.
Yes, it is built with industrial-strength PET solar panels and encased in rugged, weather-resistant polyester canvas. It is designed to withstand the elements during off-the-grid adventures.
The PowerPort Solar is equipped with built-in short circuit and surge protection to keep your devices safe from electrical irregularities while charging.
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