The Best Foxelli Dual Usb Solar Charger 21W of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Foxelli Dual Usb Solar Charger 21W of 2022. Check our ranking below.

2,267 Reviews Scanned

Rank No. #1

ALLPOWERS 21W 5V Foldable Solar Panel Charger, SP001 Solar Charging Kit with 5V USB-A and USB-C Charging, IP67 Waterproof Portable Solar Panel for Smartphone, Tablets, Outdoor, Camping, Hiking

Highly Efficient Solar Panel: The monocrystalline solar cell converts up to 25% of solar energy into electrical energy. ETFE offers greater flexibility while maintaining durability
2 Fast Charging Outputs: USB-C: 5V3A/9V2A/12V1.5A(MAX), USB-A: 5V3A/9V2A/12V1.5A(MAX), the 21W portable solar charger provides enough power to full high-speed charge your phone and tablet at the same time
Smart Charging Panels: Integrated 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
Rugged Solar Panels: Utilizes ETFE film lamination and encapsulation technologies which provide wear resistance, self-cleaning, weather resistance ability and the protecction class is up IP67. The good waterproof and dustproof properties make solar panel chargers more rugged,can work under unexpected weather and easy to clean the surface of the panel
Compact and Easy to Install: Its small size (folded: 8.66*8.18*0.78inch) and light weight (2.2lb) make it easy to store in your backpack. The two hooks make the portable solar charger ideal for hanging on your backpack for charging anytime, anywhere in the sun. You don't have to worry about your smartphone battery running out during long hikes or camping trips

SaleRank No. #2

Durecopow Solar Charger Power Bank 20,000mAh, Portable Charger, 4 Cables 3 Ports Fast Charging External Battery Pack with USB C for Cell Phones, Solar Panel Charger with Dual Flashlight for Camping

High-Quality Portable Solar Charger - water-resistant, shock-resistant and dustproof solar phone charger, featured with carabiner, compass, and 2LED flashlight. Solar power bank provides more convenience in your daily or on your trip. Awesome for outside activities such as camping, hiking, and other emergency use. The solar USB battery pack can be regards as a nice gift.
Charge 6 Devices Simultaneously 4 Cables & 3 Ports - This solar charge power bank features 3 built-in output cables (Type C, Lightning, and Micro USB) and 1 USB-A input cable, so you never need to carry extra cables. Enjoy hassle-free charging at home, work, or on the go. It also has various ports (Type-C In/Output Port & USB Output Port*2). Powering 6 devices at the same time, compatible for all iOS and Android users.
Type-C Input/Output and Powerful LED Light - It makes it easy to charge 6 smartphones simultaneously or a tablet at full speed. 2 led lights can be used as flashlight with Steady-SOS-Strobe mode. Five pilot indicators show the status of the battery charger timely. The green light on when charging by a solar, blue light on when USB charging.
Two Charging Way - External battery charger with solar panel can recharge by solar or outlet. Compatible with your iPhone, Samsung, HTC, Nexus, Go-pro Camera, Tablets and other USB devices. More than 1000+ recharge lifecycle.
Safety for Use - Made of eco-friendly silicone rubber and ABS PC material. CE, FCC, RoHS certified, reliable and durable. The solar battery pack is made of strong ABS material, with drop-resistant thick silicone on each corner. The charging port is also protected by a silicone cover. Drop-proof/dust-proof/water-proof design withstands the harsh environment. Do not miss this power bank if you are an outdoor enthusiast.

Rank No. #3

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

【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.

Rank No. #4

Powkey Portable Solar Panel Chargers with 15W USB-A USB-C DC Output Foldable Power Emergency ETFE Panels, Solar Battery Charger Compatible with Cell Phone iPad for Backpacking, Camping, Hiking (15W)

POWERFUL SOLAR CHARGING: Keep your devices powered up and connected even in low-light outdoor environments with the high conversion efficiency of 23% in the Powkey 15W solar panel charger
SMART CHARGING：The built-in smart IC chip in this solar panel ensures smart charging for all your devices, from cell phones and laptops to cameras, speakers, drones, and more. It provides the optimal charging current for each device, eliminating the risk of overcharging or damage. Keep all your devices powered up and charged during your outdoor adventures
VERSATILE COMPATIBILITY:The dual USB ports in the Powkey 15W solar panel charger offer versatile compatibility, allowing you to charge multiple devices at once. From cell phones and laptops to cameras, speakers, drones, and more, stay connected and powered up wherever you are on your outdoor adventures
DURABLE DESIGN FOR THE OUTDOORS: This solar panel is designed to withstand the elements with its water-resistant and dust-resistant construction. Plus, the reinforced hole makes it easy to attach to your backpack and carry with you on your adventures
COMPACT AND LIGHTWEIGHT: Weighing just 17.6 oz and foldable for easy storage, this solar panel is the perfect companion for all your outdoor activities. Whether you're camping, hiking, or backpacking, stay charged and stay connected with Powkey

Rank No. #5

Technaxx 21W Solar Charger with 2X USB for Phone, Powerbank, Tablet, etc. - Perfect for Traveling, Camping and Outdoor - Solar Panel Charging Case TX-207

High Solar Conversion - TX-207 monocrystalline solar cell converts up to 19% of solar energy into free energy with sufficient sunlight, which is better than polycrystalline solar panels in low light conditions;
Foldable design - solar charger is manufactured for camping trips or traveling with no power supply areas. TX-207 has 800g weight & compact 20×29×3 cm dimensions, it easily fits backpack. So you have solar panel on the go & can charge devices everywhere;
Multi-purpose usage - foldable solar panel is indispensable accessory. Doesn't matter you go on a bike trip, camping, hiking, fishing or even sailing, this accessory will help you to charge your USB devices everywhere;
Versatility & Independence - 21W solar charging case helps you to be independent from electricity, the only thing you need is an open area for direct sunlight to hit the panel. 2x USB ports helps to charge power banks, phones, other USB-charging devices;
Easy to use - put the portable solar panel in a bright place with long exposure to sunlight; the best performance is achieved when the sun hits the panel at an angle of 90°; Avoid shady areas and always have your devices charged.

Rank No. #6

Solar Charger Power Bank 49800mAh, Portable Phone Charging Built-in 4 Cables 22.5W Fast Charging for Cell Phones, Type-C input/Output Port Solar Panel Charger with Dual Flashlights&Compass for Camping

【Super Large Capacity & Universal Compatibility】With 49800mAh premium Li-polymer battery, and uses high-density batteries to load a larger capacity without changing the volume and weight. It can be recharged via adapter and solar power, free your worries of power off. Equipped with smart protection IC chip, it guarantees charging safety intelligently. It's widely compatible with all brands phones, tablets.
【Advanced Wireless Charging】This portable charger supports advanced wireless charging, compatible with all wireless-enabled devices. Such as iPhone 16/15/14/13/X series, Samsung Galaxy S24/S23/S22/S21 series, etc. Put your device on the wireless charging area, it gets charged immediately. Come and enjoy your cable-free charging time.
【Built-in 4 Charging Cables & 7 Charging Ways】Solar power bank is equipped with 4 ports (Micro input, USB A1/A2 output, USB C input/output), providing 4.5V*5A/5V*3A/9V*2A/12V*1.5A high-speed charging to save time. Along with 4 charging cables and wireless charging, it supports charging 7 devices simultaneously. Its built-in Type-C cable is compatible with Apple 15/16 series, and the charging speed can reach PD20W FAST CHARGING. You can use this Power Bank to solve 98% of the charging problems of digital products on the market. It can even support charging of VENTILATOR devices within 12V.
【Sturdy & Durable Design for Outdoor】The solar power bank equipped with a super bright LED beads*12 flashlight, It can work continuously for up to 200 hours, And made of sturdy ABS material, with anti-fall thick silicone in each corner. The charging port is also protected by a silicone cover. Anti-fall/dustproof/waterproof design, playing an important role in outdoor emergencies, if you are an outdoor enthusiast, don't miss this power bank.
【Safety Certification】This solar panel charger passed UN38.3, UL 2056 and MSDS safety certification, can be safe to use. We provided with a lifetime warranty, also provide professional pre-sales and after-sales service for you. Any questions, please feel free to contact us. We promise you a satisfactory solution within 24 hours.

Rank No. #7

NHZOTUD 10W Portable Solar Charger,Small Foldable Solar Panel with USB-C USB-A Outputs Compatible with Cell Phone Tablet, IP65 Waterproof for Camping, Power Bank, Smartwatch

NHZOTUD 10W HIGHER-POWER SOLAR CELLS :To provide a better user experience, the actual design power of our solar panel is 12W, which is 20% higher than the rated power. The actual output power of solar powered charger is affected by encapsulation and weather, so most solar panels on the market do not reach the rated power.
SMART CHARGING：The built-in smart IC chip in this solar panel ensures smart charging for all your devices, from cell phones and laptops to cameras, speakers, drones, and more. It provides the optimal charging current for each device, eliminating the risk of overcharging or damage. Keep all your devices powered up and charged during your outdoor adventures.
DUAL OUTPUTS - USB A / C:With USB-A and USB-C (5V/2A ) dual outputs, this usb solar charger supports charing 2 devices at the same time. This solar phone charger is compatible with most cell phones, smartwatches and other small electronic devices.
ETFE INTEGRATED LAMINATION & MONOCRYSTALLINE SOLAR CELL:This solar powered charger has combined ETFE film with monocrystalline solar cell through advanced integrated lamination technology, achieving a light transmittance of 95% and a conversion rate of 24%
IP65 WATERPROOF & DUSTPROOF:The backpacking solar panel is IP65 waterproof and dustproof, which is better preparedfor occasional bad weather or unexpected conditions. If stained, just wipe the solar panels gently with a wet cloth and it will get clean as brand new.

Rank No. #8

[Upgraded] BigBlue 3 USB Ports 28W Solar Charger(5V/4.8A Max), Portable Foldable Solar Panel for Camping, IP44 Waterproof, Compatible with iPhone 11/XS/XS Max/XR/X/8/7, iPad, Samsung Galaxy LG etc.

Advanced Performance: BigBlue 28W solar charger provides 20% more power from every ray, thanks to shadow-free surface design (No metal lines on the front panel). Engineered heat resistance and advanced N-type solar cells offer superior Low-Light efficiency and extending operational longevity
Upgraded Triple-Port: Dual USB-C and one USB-A ports deliver a maximum output of 5V/3A each, collectively achieving 5V/4.8A. This portable solar charger empowers simultaneous multi-device charging. Please note that the folding solar panel can't store the electricity and must be used in direct sunlight while connected to your devices
High-Efficiency & IP44 Waterproof: 28W solar panel charger converts 25.4% sunlight into free energy – industry-leading efficiency. Our most durable design with special polymer surface resists rain, fog, and wear better than conventional panels. Note: USB junction box is not waterproof
Ultra-Portable Emergency Solar Charger: Engineered for outdoor camping and emergency power supply, BigBlue USB solar charger folds to just 11x6x1.4 inches and weighs only 1.5 lbs—compact enough for tight backpack. Unfold, Plug, Power, easy to setup, it is critical for hurricane preparedness kits
Universal Power on the Go: Charge your smartphones, power banks, GPS, flashlight and small electronics seamlessly with BigBlue's portable solar charger. Actual output fluctuates with solar irradiance, angular orientation, connected device specifications, ambient temperature etc. Equipped with Intelligent Safety Charging for fast, 100% safe energy in sunlight. (Cable for Apple devices is not included.)

Rank No. #9

Solar Panel, Anker 15W USB Solar Charger with Dual-Port and Foldable Panel, PowerPort Solar Lite for iPhone 11/Xs/XS Max/XR/X/8/7, iPad Pro/Air/Mini, Galaxy S9/S8/S7/S6, and More

The Anker Advantage: Join the 30 million+ powered by our leading technology.
Fast Charging Technology: PowerIQ delivers the fastest possible charge up to 2.1 amps under direct sunlight. 15W SunPower solar array is 21.5-23.5% efficient, providing enough power to charge two devices simultaneously.
Incredibly Durable: Industrial-strength PET polymer faced solar panels sewn into rugged polyester canvas offer weather-resistant outdoor durability.
Highly Portable: Compact size (11 × 6.3 in. folded / 18.1 × 11 in. opened) and elastic loops on each corner allow easy attachment to backpacks, trees or tents. Super lightweight (13.2 oz) and ultra-thin design (0.7 in. folded / 0.2 in. opened) make it ideal for long treks.
What You Get: Anker PowerPort Solar Lite (15W 2-Port USB Solar Charger), 3ft Micro USB cable, welcome guide, our 18-month worry-free warranty and friendly customer service.

Rank No. #10

BALDR 12V Solar Battery Charger, 13W Waterproof Dual Sided Battery Maintainer, IP67 MPPT Trickle Charger for Car, Trailer, Lawn Mower, Boat

【13W HIGH WATTAGE】BALDR’s upgraded third generation solar charger is the highest power solar charger of its size on the market. The high-power design ensures your battery is always ready, no matter winter, harsh weather, or aging batteries.
【MPPT】Built-in Maximum Power Point Tracking and Smart Charge Controller. Real-time wattage is 30% higher than other type 13W panels. BALDR solar panel can also convert lower intensity light, it works two more hours a day, one hour earlier in the morning and one hour longer in the dusk.
【DUAL SIDED EFFICIENCY】Due to the dual-sided tempered glass, our upgraded solar panel generates electricity from both sides. Enhanced Power Generation Efficiency up to 25%.
【STABLE AND DURABLE】High quality solar panels last for 6+ years. IP67 waterproof, 95% transmittance rate tempered glass, -40~185°F operating temperature, anti-fall and anti-scratch. It can be used outdoors year-round anywhere in the United States, whether it's a humid oceanside or inside a car in the summer heat.
【3 INSTALLATION OPTIONS】1. Bracket Fixation：Secure panels at a fixed angle with mounting brackets. 2. Suction Cup Mounting：Attach vertically to glass or metal surfaces using industrial-grade suction cups. 3. Suspended/Screw-Mounted Installation：Hang freely or anchor securely via screw mounts.

Last update on 2025-11-11 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Foxelli Dual Usb Solar Charger 21W?

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The Best Foxelli Dual Usb Solar Charger 21W of 2022 – Reviews & Buying Guide

How Do You Buy The Best Foxelli Dual Usb Solar Charger 21W?

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