FlexSolar 40W Foldable Solar Panel Charger with USB-C and USB-A Outputs for Phones, Power Banks, Tablets – Waterproof for Camping, Hiking, Backpacking

Price: $59.99 - $51.99
(as of Jan 30, 2026 14:19:28 UTC – Details)

Product description

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Very useful for me , and working great so far

“I’ve been able to keep this foldable travel solar panel very busy on nice days, not only for keeping my phone charged outside when working or playing, but also for using it at home to top off or trickle charge the batteries on my spare vehicle, boat, or riding lawnmower.”– From Amazon’s best reviewers.

Green Free Power Where There Is Sunlight, There Is Electricity

With DC 19V/2.1A( Max) ports to directly connect and charge your samall Power Station

Portable & Foldable

This slim folding solar panel is smaller and lighter than others and equally powerful. Light enough and don’t adding too much weight to your load.

3 Ports for 40W

USB-A(QC 3.0)/USB-CPD3.0/DC ports are equipped with Smart IC technology, providing optimal charging speed vary with different devices.

Charge 2 devices with both USB

Two USB ports can be used at the same time, but DC cannot be used together with USB port

Travel/Boating/Camping/Hiking

You can hook them up to your backpack or tent using the included carabiners; Great for Backpacking Camping Traveling Hiking.

2 Buckles Attached

2 buckles attached for putting on camp or hang tightly on your backpack/tent/tree, etc.

Wide Compatibilities

The auto-restart function allows consistent charging even when moving in or out of the shadow.

IP67 Waterproof

Protect against unpredictable weather conditions, and can easily withstand high temperatures.

1 Higher Efficieny Panel

2 Portable and Foldable

3 Smart Fast Charging

4 Charge It All

5 IPX7 Waterproof

ELECTRICAL SPECIFICATIONS

Rated Peak Power (Pmax |W) 40 W Open Circuit Voltage (Voc | V) 23.7 V Short Circuit Current (Isc |A) 2.1 A Maximum Power Voltage (Vmp| V) 19.8 V Maximum Power Current (Imp| A) 2.0 A Solar Cell Type Monocrystalline Dimensions (LxWxD) 48.8x 11.1x 0.1 inch- unfolded 8.0x 11.1x 1.8 inch – folded Net Product Weight 1.76lbs(0.8kg) Junction box Output ports: USB (QC 3.0), DC 5521. USB-C. Charging Time USB (QC3.0) port: 0.4-0.6 hrs (charge iPhone 12 pro); 0.5-0.8 hrs (charge Galaxy S21 ) DC5521 port (with connector): 0.6-0.8 hrs (charge iPhone 12 pro and Galaxy S21) Type-C port: 0.6-0.8hrs

FlexSolar Solar Panels Specification

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.3 out of 5 stars 1,703

4.0 out of 5 stars 270

4.3 out of 5 stars 1,703

4.3 out of 5 stars 600

4.5 out of 5 stars 630

4.6 out of 5 stars 196

4.4 out of 5 stars 104

Price

$51.99$51.99

—

$26.99$26.99

$18.99$18.99

$52.24$52.24

$94.98$94.98

$199.99$199.99

Solar Cell Type

Monocrystalline

Monocrystalline

Monocrystalline

Monocrystalline

Monocrystalline

Monocrystalline

Monocrystalline

Output ports

USB-A,USB-C and DC5521

USB-A and USB-C

USB-A and USB-C

USB-A

USB-A,USB-C and DC5521

MC-4

MC-4

Folding size

8.0x 11.1x 1.8 inches

12.0 x 9.8 x 0.7 in

12 * 9.8 * 0.6 inch

7.6 x 8.8 x 0.7inches

13.8 x 9.1 x 2.2inches

23.8 x 18.3 x 1.0 inches

31.1 x 21.2 x 1.5 inches

Physical Structure

Foldable

Foldable

Foldable

Foldable

Foldable

Foldable with Kickstand

Foldable with Kickstand

Waterproof

✔

✔

✔

✔

✔

✔

✔

【40W Dual Fast-Charging Solar Charger】Equipped with QC3.0 USB-A & PD2.0 USB-C ports (18W max each) for simultaneous fast charging of phones (Android/iOS), tablets, power banks, etc. The 19V DC port (40W max) directly powers small stations. Smart load distribution design recommends prioritizing single-port use for peak efficiency. (Note: Instant energy conversion device with no energy storage)
【SMART IC CHIP TECHNOLOGY & SAFETY FEATURE】Integrated IC automatically detects the connected devices and provides the optimized charging, and an included LED light shows the charging status.FlexSolar ensure 100% safe charging with overcurrent, overheating and short-circuit protection.
【40W Ultra-Lightweight Foldable Solar Panel】 Ideal for mobile camps and off-grid adventures, this compact 40W solar panel delivers high-efficiency power for extended journeys without compromising portability. With ultra-compact folded dimensions of 8.0 x 11.1 x 1.8 and a featherlight 1.76lbs (0.8kg) design, it effortlessly fits into backpacks or emergency kits, ensuring reliable energy access anywhere. A must-have for outdoor enthusiasts and an essential addition to emergency preparedness gear.
【24% High-Efficiency Conversion & IP67 Weatherproof Durability】 Advanced monocrystalline cells deliver an industry-leading 24% solar conversion rate, maximizing energy output even in limited sunlight. Built to endure rugged environments, the panel features IP67-rated dustproof/waterproof construction and ETFE laminate coating, offering superior resistance to rain, dust, and abrasion compared to standard PET panels. While the junction box is not fully waterproof (store indoors during heavy rain), its robust design ensures long-term reliability in harsh conditions.
【PACKAGE & SUPPORT】Your purchase includes:1×40W Solar Panel,2 ×Carabiners and 1×User Manual.Important Notes: For optimal charging efficiency, position the solar panel at a 45° angle facing direct sunlight. Shade or partial coverage may reduce performance by up to 70%. While this solar panel is IP67 waterproof, avoid submerging it in water for over 30 minutes.