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20 Best Anker 21W Portable Solar Panel of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Anker 21W Portable Solar Panel of 2023. Check our ranking below.

2,812 Reviews Scanned

Rank No. #1

Anker Solix PS30 Solar Panel, 30W Foldable Portable Solar Charger, IP65 Water and Dust Resistance, Ultra-Fast Charging, Charges 2 Devices at Once, for Camping, Hiking, and Outdoor Activities.

On-the-Go Charging: Wherever the adventure takes you, easily charge your smartphones, tablets, cameras, and more with USB-A and USB-C ports.
IP65 Weather-Resistant Protection: Rain or shine, Anker PS30 Portable Solar Panel withstands various weather conditions, always delivering power. Perfect for camping, hiking, and outdoor activities.
Easy-to-Carry, Foldable Design: With portability in mind, the solar panel is lightweight, compact, and foldable for easy storage and transportation. Ideal for travel and outdoor enthusiasts.
30W Solar Charging for Multiple Devices: Harness the sun's energy for reliable charging anywhere. You'll even have enough power for multiple devices.
What You Get: 30W Anker Solix Solar Panel, carabiner ×2, user manual, 18-month worry-free warranty, and our friendly customer service.

SaleRank No. #2

[USB-C and USB-A] BigBlue Lightweight 21W Solar Panel Charger, Portable Foldable Solar Phone Charger with IP68 Waterproof for Camping, Compatible with iPhone, Samsung Galaxy, Tablets, Power Bank etc

FAST AND SAFE CHARGING: Dual USB ports (each 5V/3A max, combined 5V/4.2A max) efficiently power most 5V electronic devices, including iPhones, Android phones, tablets, power banks, GPS, etc, when all portable solar panels are exposed to sufficient sunlight. Intelligent IC chip safeguards against overcurrent and short circuits, ensuring reliable and smart charging
ULTRA-PORTABLE CAMPING SOLUTION: BigBlue 21W solar charger is designed for ultimate portability, folding down to the size of a book and weighing just 1.32 lbs, making it easy to pack and carry wherever you go. The included hooks allow you to effortlessly attach it to your backpack or tent (Please orient the small solar panels toward the sunlight), making it an essential companion for hiking, road trip or emergency preparedness
ENHANCED DURABILITY AND WEATHER RESISTANCE: BigBlue solar panel charger features PVDF surface that provides exceptional durability, offering superior resistance to environmental elements, corrosion, and fire, while delivering twice the lifespan of conventional PET solar panels. Its IP68 waterproof rating ensures protection against occasional rain and unexpected weather (The USB junction box is not waterproof)
HIGHER EFFICIENCY CONVERSION: BigBlue 21W solar phone charger features high-quality monocrystalline panels, boosting solar conversion efficiency by up to 24.7%. With a light transmittance of up to 95%, this portable solar charger ensure excellent quality and high performance. Note: The foldable solar panel does not store electricity
WHAT'S INCLUDED AND CAUTION: You'll receive 1PCS 21W Foldable Solar Panel, 1 USB-C to USB-C cable, 2 Carabiners and 1 User Manual. Please note that the actual power output greatly depends on weather conditions, angle to the sun, temperature, the type of device they’re plugged into, etc.

Rank No. #3

MARBERO 21W Portable Solar Panel Foldable Solar Panel Charger IP65 Waterproof Solar Panels 23% High Efficiency Fast Charger USB Ports & DC 18V Output for Camping Outdoor Travel Emergency Cloudy

PORTABLE, FOLDABLE & EASY TO CARRY: The MARBERO portable solar panel is compact and lightweight, with a folded size of 11.4" x 6.3" x 1.3" and weighing just 1.32 lbs—smaller than an iPad Pro. It easily fits into any camping backpack or hiking daypack, or can be carried by hand, making it perfect for outdoor activities like camping, traveling, or any occasion when you need it. Designed with 4 attachment holes, this foldable solar charger can be conveniently hung anywhere using the included carabiners.
HIGHER SOLAR CONVERSION: The 21W portable foldable solar panel is equipped with high-efficiency solar arrays, offering a conversion rate of up to 23%, turning sunlight into electrical energy for faster charging. The MARBERO 21W portable solar panel features a built-in smart chip that intelligently detects your device, maximizing charging speed while protecting it from overcharging and overloading. This ensures a more relaxed and worry-free outdoor experience without the concern of running out of power. The smart charging technology also provides optimal, 100% safe charging in direct sunlight.
POWER IN SUN OR SHADE: This 21W portable solar panel maintains high efficiency even on cloudy days. Under full sunlight and at an optimal tilt angle (35 to 65 degrees), it generates 18W–21W of power. On cloudy or overcast days, the foldable solar panel still provides 12W–16W, ensuring reliable power for your devices in any weather.
DURABLE & VERSATILE: The MARBERO portable foldable solar panel is crafted from high-quality, durable Oxford cloth and features IP65 waterproofing, dust resistance, and high-temperature durability. This portable solar charger is perfect for a wide range of outdoor activities, including camping, hiking, picnics, RV adventures, road trips, travel to remote areas, car trips, boating, power outages, and off-grid living. It’s an essential piece of emergency backup gear.
WIDE COMPATIBILITY: The USB A and DC ports are built into the power box of the MARBERO 21-watt portable foldable solar panel charger, making it perfect for charging your smartphones, tablets, laptops, power bank, speaker, portable power stations, and more. This portable solar panel, designed for camping and outdoor use, offers a reliable solar panel charging solution wherever you go, whether you're using it as a camping solar panel or for general on-the-go power needs. Our portable solar charger can't store electricity and can't charge laptops and power station.

SaleRank No. #4

Anker SOLIX PS100 Solar Panel with Adjustable Kickstand, 100W Foldable Portable Solar Charger, IP67 Waterproof, 23% Higher Energy Conversion Efficiency, for Camping, RVs, and Blackouts

Up to 23% Conversion Efficiency: Charge 1.5× faster with highly efficient monocrystalline cells and a powerful surface that traps sunlight.
4 Set Angles for Max Sunlight Absorption: No matter where you are, the season, or time of day, you can maximize sunlight absorption. Easily switch between 30°, 40°, 50°, or 80° angles.
IP67 Waterproof Design: Your solar panels are safe, even when it's raining outside. The IP67 design protects them anywhere you go.
Just Fold and Go: When you're on the move, your panels need to be, too. Just fold for compact portability and enjoy the light weight of 4.4 kg (9.7 lb).
Stable MC4 Connection: Give your solar connection stability with the superior MC4 connection. Unlike XT-60 connectors, it maintains high conductivity with minimal energy loss.

SaleRank No. #5

Anker SOLIX C200 DC Power Bank Station and 60W Solar Panel, 192Wh Portable Power Station, LiFePO4 Battery, 200W Solar Generator, for Outdoor, Camping, Traveling, and Emergencies

Massive Power Anywhere: This 192Wh battery delivers 200W and includes one 140W two-way USB-C fast charging ports.
5 Device Charging Ports: Power all your tech with versatile ports, including 1× USB-C (100W), 1× USB-C (140W), 1× USB-C (15W), and 2× USB-A (12W).
Travel-Friendly Design: 39% smaller than similar power stations, attach the strap (sold separately) to easily carry your power.
60W Solar Input: When your journey needs endless charging, do so seamlessly and sustainably with a 60W solar panel. This power station is not compatible with Anker SOLIX PS30 (or other 5V~3A USB-C panels), PS200, PS400.
3 Ways to Recharge: Fast Recharge to 80% in 1.3 hours with the PD 3.1 USB-C port. You can also use solar panels or your car.

Last update on 2025-07-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Anker 21W Portable Solar Panel?

Do you get stressed out thinking about shopping for a great Anker 21W Portable Solar Panel? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Anker 21W Portable Solar Panel, which is why we have assembled a comprehensive list of the greatest Anker 21W Portable Solar Panel available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Anker 21W Portable Solar Panel that you consider buying. Your questions might include the following:

Is it worth buying an Anker 21W Portable Solar Panel?
What benefits are there with buying an Anker 21W Portable Solar Panel?
What factors deserve consideration when shopping for an effective Anker 21W Portable Solar Panel?
Why is it crucial to invest in any Anker 21W Portable Solar Panel, much less the best one?
Which Anker 21W Portable Solar Panel are good in the current market?
Where can you find information like this about Anker 21W Portable Solar Panel?

We’re convinced that you likely have far more questions than just these regarding Anker 21W Portable Solar Panel, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Anker 21W Portable Solar Panel, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Anker 21W Portable Solar Panel. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an Anker 21W Portable Solar Panel buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Anker 21W Portable Solar Panel currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Anker 21W Portable Solar Panel has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Anker 21W Portable Solar Panel?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Anker 21W Portable Solar Panel.
Customer Ratings: Number ratings grade Anker 21W Portable Solar Panel objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Anker 21W Portable Solar Panel.
Product Quality: You don’t always get what you pay for with an Anker 21W Portable Solar Panel, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Anker 21W Portable Solar Panel is should be an indication of how long it will work out for you.

Romance University always remembers that maintaining Anker 21W Portable Solar Panel information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Anker 21W Portable Solar Panel is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: What are the advantages of Anker PowerPort solar?

A: The Anker Advantage: Join the 50 million+ powered by our leading technology. Fast Charging Technology: PowerIQ delivers the charging speed up to 2.4 amps per port or 3 amps overall under direct sunlight. 21 watt SunPower solar array is 21.5-23.5% efficient, providing enough power to charge two devices simultaneously.

Q: How big is the Anker solar panel solar panel?

A: Highly Portable: Compact size (11.1 × 6.3in folded or 26.4 × 11.1in opened) and stainless-steel eye-holes on each corner allow easy attachment to backpacks, trees, or tents. Lightweight and ultra-thin design make it ideal for long treks

Q: What’s the warranty on the Anker solar charger?

A: The Anker advantage: join the fast charging technology. The Anker advantage: join the fast charging technology. Anker PowerPort Solar (21W 2-Port USB Solar Charger), 3ft Micro USB cable, welcome guide, our fan-favorite 18-month warranty and friendly customer service.

Q: What’s the charge rate on Anker PowerPort 21W?

A: Like the BigBlue, the Anker was able to deliver some charge to two devices simultaneously, which is certainly impressive for a panel of its relatively small size. The Anker 21 charged our phone 4% when plugged in next to a battery pack, which is similar to panels of the same size, and earns the Anker a high score in this metric.

Anker 21W Portable Solar Panel