Foursun 12V 21W Portable Solar Panel with USB Type-C Fast Charging Charger Foldable for Hiking Camping Mobile Phones

(11 customer reviews)


  1. Premium Weak Light Performance:Shingled solar cells are soldered with silver paste, have high electrical conductivity, and the low-light power generation efficiency is 10% higher than that of ordinary crystalline silicon.
  2. Shingled Type Design: it does not affect the dark damage caused during use.
  3. 300D Waterproof Fabric+ Waterproof PVC Coating: Protect your solar panels and equipment from occasional rain or wet fog.
  4. QC 3.0 Quick Charge: USB and Type-C dual ports, maximum 5.8A total output and the ability to charge two devices at the same time, keep your devices fully charged anytime on the go.
  5. Foldable & Portable Design: With Ultra lightweight (0.4kg) and ultra compact (178*245*25mm folded) design, 20% smaller area than solar panels of the same wattage,Easy to fold into a briefcase and put in your backpack.
  6. Broad Compatibility: Works for Smart phones,Tablets, and other digital appliances.


Estimated delivery on 19 - 22 June, 2024
  Ask a Question


Brand  Foursun
Model  F-SP21
Name  21W 3-Fold Solar Folding Bag with USB & Type-C Fast Charging
Power  21W
Folds  3
USB output  5V/3A,9V/2A,12V/1.5A
DC output  None
Type-C output  5V/3A,9V/2A,12V/1.5A
Expanded Dimensions  680*245*3.5mm
Folded Dimensions  178*245*30mm
Operating Temperature  -40 ~ +65℃
Surface Technology  Rhombus Petal high light transmittance protective film, light transmittance over 90%
N.W  0.4KG

Package Included:

1 X Solar Panel

1 X User Manual

2 X Carabiners

4.24 out of 5
SKU: 5A294A59 Category:

Based on 11 reviews

4.0 overall

Add a review

  1. Robert B

    If you love camping, you need this solar panel. It’s efficient and the fast charging feature is excellent. The foldable design makes it easy to pack and carry. I’ve used it multiple times, and it hasn’t let me down.

    Robert B

  2. Karen T

    This solar panel is perfect for long hikes. It’s lightweight, durable, and charges my phone quickly. The USB Type-C port is a huge plus. I no longer worry about my phone dying during my hikes. Fantastic product!

    Karen T

  3. John Long

    The Foursun solar panel works great and is very portable. However, it’s a bit on the pricey side. That said, the fast charging via USB Type-C is very convenient. Overall, I’m pleased with its performance.

    John Long

  4. Gehrig Wagner

    As a remote worker who loves to travel, this solar panel is a must-have. It’s powerful enough to keep my devices charged, even in remote locations. The foldable design makes it easy to carry around. Very happy with my purchase.

    Gehrig Wagner

  5. Anna S

    This is by far the best portable solar panel I’ve ever owned. It’s efficient, charges quickly, and the foldable design makes it very convenient. The USB Type-C port is a game-changer for faster charging. Highly recommend!

    Anna S

  6. Davit

    Overall, I’m happy with this solar panel. It’s lightweight and portable, but it doesn’t charge as quickly on overcast days. The USB Type-C fast charging is a nice feature, though. Still a solid choice for outdoor use.


  7. Keith McElroy

    The Foursun solar panel is impressive. I was skeptical about the charging speed, but it exceeded my expectations. My phone charges quickly, and the panel is very easy to use. It’s also very sturdy and well-made.

    Keith McElroy

  8. Tyler Price

    This solar panel is perfect for camping. It’s durable and folds up nicely for easy transport. The USB Type-C fast charging works great with my phone and tablet. I’ve recommended it to all my friends who love the outdoors.

    Tyler Price

  9. Albuquerque Hiker

    I keep this solar panel in my emergency kit. It’s compact and folds easily, so it doesn’t take up much space. Tested it out and it charges my devices quickly. The USB Type-C port is a great addition. Very satisfied with this purchase.

    Albuquerque Hiker

  10. Shawn O.

    I took this on a week-long camping trip, and it was a lifesaver. The panel charges efficiently even on cloudy days, and the build quality is excellent. It’s also very portable and easy to set up. Definitely worth the investment.

    Shawn O.

  11. Melissa D

    This solar panel is fantastic for hiking and camping. It’s lightweight, folds up neatly, and charges my phone quickly. I love the USB Type-C fast charging feature, which is much faster than other portable chargers I’ve used. Highly recommended!

    Melissa D

No more offers for this product!

General Inquiries

There are no inquiries yet.