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21W Solar Panel Charger BigBlue Portable Foldable Solar Phone Charger with Dual USB Port, IP68 Waterproof, High-Efficiency Solar Panels for Phones, Tablets, Power Banks, Camping, Hiking, Backpacking

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Purchase options and add-ons

Brand BigBlue
Connectivity technology USB
Connector type USB-A+USB-C
Compatible devices Tablets
Compatible phone models iPhone 13/11/Xs/X/8/7, iPad, Samsung Galaxy, Google Pixel etc.
Included components 1 USB-C to USB-C cable,, 1PCS 21W Foldable Solar Panel, 2 Carabiners
Special feature Portable and folding, USB-C Output Solar Charger, IP68 Waterproof, Lightweight Solar Panels
Total USB ports 2
Wattage 21 watts
Number of Items 1

About this item

  • 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 trips or emergency preparedness
  • 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
  • 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. Simply unfold, place under sunlight, connect your devices and start charging!
  • 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. Note: The foldable solar panel does not store electricity
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21W Solar Panel Charger BigBlue Portable Foldable Solar Phone Charger with Dual USB Port, IP68 Waterproof, High-Efficiency So
This item: 21W Solar Panel Charger BigBlue Portable Foldable Solar Phone Charger with Dual USB Port, IP68 Waterproof, High-Efficiency Solar Panels for Phones, Tablets, Power Banks, Camping, Hiking, Backpacking
$79.96
Get it by Tuesday, Jul 1
In Stock
Sold by BigBlue-CA and ships from 鶹 Fulfillment.
+
[Upgraded]BigBlue 3 USB Ports 28W Solar Charger(5V/4.8A Max), Foldable Portable Solar Phone Charger with SunPower Solar Panel
$129.99
Get it by Wednesday, Jul 2
In Stock
Sold by BigBlue-CA and ships from 鶹 Fulfillment.
Total price:$00
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Product information

Technical Details

Brand ‎BigBlue
Manufacturer ‎BigBlue
Compatible Devices ‎Tablets
Special features ‎Portable and folding, USB-C Output Solar Charger, IP68 Waterproof, Lightweight Solar Panels
Mounting Hardware ‎1 USB-C to USB-C cable,, 1PCS 21W Foldable Solar Panel, 2 Carabiners
Number of Items ‎1
Wattage ‎21 watts
Power source type ‎Solar Powered
Batteries included ‎No
Batteries Required ‎No
Number of Ports ‎2
Total USB Ports ‎2
Connector Type ‎USB
Material Type ‎Monocrystalline Silicon Solar Panels
Manufacturer ‎BigBlue
Parcel Dimensions ‎26.19 x 25.91 x 6.5 cm; 598.74 g
ASIN ‎B0DT15YWBB

Additional Information

Date First Available Jan. 17 2025
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21W Solar Panel Charger BigBlue Portable Foldable Solar Phone Charger with Dual USB Port, IP68 Waterproof, High-Efficiency Solar Panels for Phones, Tablets, Power Banks, Camping, Hiking, Backpacking

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Product Description

20W SOLAR PANEL CHARGER

EASY TO USE

First, place the solar panels in direct sunlight (full expansion required). For windows: Hang outdoors (never behind glass – blocks 25% sunlight!).

Then, connect your phone or power bank to the USB port of the solar charger at the same time. Charging starts instantly – no buttons!

portable and lightweight

We have increased the thickness of the baseplate to enhance protection against shocks and falls, thereby extending the solar charger's lifespan

Monocrystalline N-type cells reduce solar panel thickness by 22% (from 35mm to 27mm) while maintaining rigidity.

solar panel charger

Portable Solar Panel Benefits of N-type Solar Cells

Higher Energy Efficiency in Real Conditions

  • N-type cells achieve 24%+ conversion efficiency—superior to conventional PERC cells (20-22%)—generating 18% more power during hiking trips under partial shade or cloudy skies.

Lower Heat Degradation

  • With a -0.29%/°C temperature coefficient (vs. PERC’s -0.35%/°C), these solar panels maintain charging stability at 95°F desert heat, proven in Arizona field tests.

Extended Lifespan for Harsh Environments

  • Anti-LID (Light-Induced Degradation) technology ensures better durability with <5% efficiency drop—BigBlue portable solar panels ideal for coastal areas and mountain expeditions.

Premium Low-Light Performance

  • Delivers 75W/m² output at dawn/dusk (vs. 55W/m² for PERC),

smart charging

Note: the real output current of the solar panels is affected by many factors, such as sunlight intensity & solar irradiance, temperature effects, panel tilt & orientation, shading & obstructions, dirt & maintenance etc.

0ur data is under standard test conditions (1,000 W/m², 25°C, AM1.5 spectrum)

waterproof solar charger

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