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FlexSolar

FlexSolar 20W Portable Solar Panel Charger, USB-A USB-C 5V Output | Foldable Lightweight , IP67 Waterproof Emergency Power Supply for Phones, Tablets, Power Banks, Hiking, Camping, Backpacking

  • Based on 239 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Sep 7
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Color: 20W


Features

  • High-Efficiency USB Solar Chargers Equipped with dual output ports (1 USB-A and 1 USB-C), this solar charger delivers up to **15W per port** individually. When both ports are used simultaneously, each port intelligently adjusts to a maximum of **10W** for balanced, stable power delivery. Charge smartphones, tablets, power banks, USB fans, smartwatches, and other 5V devices **directly under sunlight**. Ideal for outdoor emergencies, road trips, or off-grid adventures. *Note: This charger does not store energy. For nighttime use, pair it with a rechargeable battery pack (charged via the solar panel during daylight).
  • Ultra-Portable Solar Panels Weighing just **0.99 lbs (450g)**, these foldable panels combine portability with power. Unfolded dimensions: 18120.6 inches; folded size matches a standard iPad (129.80.6 inches). Easily fits into backpacks, car compartments, or even your hand! Four reinforced hanging holes and included carabiners let you attach the panels to your backpack while hiking, camping, or trekkingkeeping devices charged on the go.
  • Smart Charging Sun Power PanelsIntegrated IC automatically make the auto-restart function which allows consistent charging becomes reality even when moving in or out of the shadow and detects the connected devices and provides the optimized charging, and an included LED light shows the charging status. The red light is on and means that solar panel is normal and you can chage your devices. FlexSolar ensure safe charging with overcurrent, overheating and short-circuit protection.
  • Rugged & Weatherproof Design Engineered for durability with **ETFE film lamination** and IP67-rated protection, these panels resist scratches, water, dust, and extreme weather. The self-cleaning surface stays efficient in muddy or dusty conditions. *Note: Junction box is not fully waterproofavoid submersion
  • Higher Solar Conversionour solar panels made of the cells with high quality monocrystalline silicon can effectively convert solar energy into green electricity needed by human beings and the conversion rate is up to 24%. It generates more electricity than other cells of the same size, perfectly solving the need for power emergency outdoor. Note: solar panels must be put in direct sunlight to power your electrinic devices.

Description

USB-A and USB-C 5V Output ports meet your power emergency outdoor. Built in 1* USB-A and 1*USB-C output ports. Each ports is max 15w and the max power of the each port is 10W in case of the both usb is used togher. It can charge directly your phones,power banks, usb fans,tablets,watches and other medium small usb 5V electronic devices in the sunlight. Perfect for your power emergency outdoor.Note: cann't store the power. You can prepare a rechargeable battery packs and charge it with solar panel during the day for the use at night. 20w Solar Panel Chargers 10w Solar Panel Chargers 40w Solar Panel Chargers 60w Solar Panel Chargers 120w Solar Panel Chargers 240w Solar Panel Chargers

Brand: FlexSolar


Material: Monocrystalline Silicon


Product Dimensions: 18"L x 12"W x 0.6"H


Item Weight: 0.45 kg


Efficiency: High Efficiency


Efficiency: High Efficiency


Amperage Capacity: 2.9 A


Maximum Voltage: 5 volts


Maximum Power: 20 watts


Special Features: Charging Indicator, Lightweight Design, Short Circuit Protection, Travel, Waterproof


Output Voltage: 5 volts


Connector Type: USB


Item Dimensions L x W x H: 18"L x 12"W x 0.6"H


Item Weight: 0.45 kg


Material Type: Monocrystalline Silicon


Brand Name: FlexSolar


Included Components: 2 carabiners


Model Number: LY- S20-US


Unit Count: 1 Count


Manufacturer: FlexSolar


Manufacturer Part Number: LY- S20-US


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Sep 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great for phone, not for laptop
Color: 20W
Charging an iPhone Pro went well, but not a Macbook Pro hahah. The charge in was not faster than the charge used on my laptop. But I tested this from inside, so it might do better outside. I like that the ports are on the edge so you don't have to worry about wires bending and breaking with time.
Reviewed in the United States on March 9, 2025 by marina
    • It works., good product
Color: 20W
I took this on a 7 day back-country hike at Philmont Scout ranch in New Mexico. I was often out of cell range, so had my iPhone 13 Pro Max on airplane mode most of the time. Hanging this from my backpack, it consistently charged my phone from ~70% to 100% in 2 to 3 hours hiking in and out of shade and partial clouds each day. In bright sun, it charged my “brick” backup lithium battery from 40% to 100% in 4-5 hours of bright sunlight. In a reasonably sunny climate, my experience is that this panel could keep personal electronic devices for 1 person charged indefinitely while on a trek. Thumbs up! ... show more
Reviewed in the United States on July 13, 2024 by Laura B
    • Perfect emergency charger
Color: 20W
It charges my iphone as soon i flip it open. Even under a shaded area. Its super light and durable.
Reviewed in the United States on May 23, 2026 by Amazon Customer
    • Flexible but could have been powerful
Color: 20W
Not sure because of the fact it is foldable, its not super powerful to charge phone. I left for hours in sun light. It's just 20% charged. Can be used for little things. If you are looking for latest phone to charge need better one.
Reviewed in the United States on November 12, 2023 by PopKutty
    • Hmmm...
Color: 20W
Works better than their e40 foldable panel but I would get another brand
Reviewed in the United States on November 24, 2025 by james b.
    • Deeply flawed
Color: 20W
The embedded wire, that runs through the hinge points, started deteriorating after just 3 days of use on the Crest Trail ( backpacking). It took me about 2 weeks to figure out what was going on, and it died shortly there after. If the wiring was more robust, I'd have only given it a 2 star rating, as the controller was also quite goofy, and walking through a shaded forest caused voltage to run back through my phone, the opposite direction and kill my battery. The killer flaw that made this panel so bad, was the low voltage. I assume, by how it acted and died, that it is 2-3.3 volt panels wired in series, that when walking through partial shade, the voltage drops below 5 volts, causing it to back flow. This can easily be fixed by using a higher voltage panel. Now to the wiring. The wires are embedded in the plastic, and run in series with the other panel, making it useless if the connection is broken. The hinge wires should break out and be twisted into a loop so that there is plenty of give in the angle. It will look tacky but be a marked functional improvement. And again, the panels should be a higher voltage, and wired in parallel, so than a broken connection doesn't render the panel inoperable. The third and final gripe, is that the seller should include 4 metal clasps instead of just the 2, as it was flapping around on my backpack like a flag, with every slight breeze. When it worked the power was good,and it looked nice. ... show more
Reviewed in the United States on August 3, 2026 by aaron newbill
    • 12 V Solar Panel
Color: 20W
Review Image by iTDawG
Great little solar panel for my sailboat. Chargers Bluetooth speakers and Apple devices when we are underway.
Reviewed in the United States on January 13, 2026 by iTDawG
    • Does not work as advertised
Color: 20W
In direct sunlight it overheats and shuts off if it's not in direct sunlight it doesn't charge it all will not charge a tablet not impressed it's not really worth the money they're asking
Reviewed in the United States on June 16, 2025 by Larry Salomon

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