Brand | BigBlue |
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Manufacturer | BigBlue |
Place of Business | support@ibigblue.com |
Model | B401E |
Part Number | 1 |
Compatible Devices | Cellular Phones, Tablets, Power Bank |
Special features | Lightweight,Waterproof |
Mounting Hardware | User Manual |
Number of Items | 1 |
Internet browser included | No |
Color Screen | No |
Voltage | 5 Volts |
Wattage | 28 watts |
Power source type | Solar Powered |
Batteries included | No |
Batteries Required | No |
Battery Cell Composition | Alkaline |
Number of Ports | 2 |
Total USB Ports | 2 |
Connector Type | USB |
Material Type | Monocrystalline Silicon |
Mounting type | Wall Mount |
Does it contain liquid? | No |
Includes rechargable battery | No |
Includes Remote | No |
Manufacturer | BigBlue |
Item model number | B401E |
Product Dimensions | 28.45 x 16 x 1.8 cm; 595 g |
ASIN | B071G4CQSR |
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Ships from: 鶹 Sold by: BigBlue-CA
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Ships from: 鶹 Sold by: Warehouse Deals
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BigBlue 28W Solar Panels Charger with Digital Ammeter, Portable Folding Camping Solar Panel, Dual USB, Waterproof Solar Phone Charger Compatible with iPhone 13/11/Xs/X/8/7, iPad, Samsung Galaxy
Purchase options and add-ons
Brand | BigBlue |
Connectivity technology | USB |
Connector type | USB, Micro USB |
Compatible devices | Cellular Phones, Tablets, Power Bank |
Compatible phone models | Google Pixel, Apple iPhone XS |
Included components | User Manual |
Special feature | Lightweight,Waterproof |
Colour | Solar Charger-28w |
Input voltage | 5 Volts |
Mounting type | Wall Mount |
About this item
- High-performance Solar Cell: BigBlue used upgraded solar cells whose conversion efficiency can reach 25.4%. Without metal lines on the front, the solar cells capture more sunlight, increasing electricity generation while providing a sleek design. Fewer front-side components also help these cells stay cooler, enabling solar panels to improve light absorption and extend their lifespan
- Built-in Digital Ammeter: BigBlue 28w solar panel charger can measure current real-time value, which is convenient for your use. Note that the value of actual outputs depends on the sunlight intensity, placed angle, temperature, connected devices etc. The foldable design and 4 carabiners are easy to carry for any outdoor activities such as camping trips, climbing, hiking, fishing etc.
- Exclusive Smart IC Technology: With the built-in intelligent chip, our solar phone charger detects your device and then delivers its fastest possible charging speed (Single maximum output up to 5V/2.4A, dual maximum outputs up to 5V/4A). If clouds block the sun, this portable solar charger can intelligently detect the sunlight and restart to charge your electronics when there is enough sunlight.
- Special PET Polymer Surface: Industrial-strength PET polymer fabric and IPX4 waterproof panels protect your backpacking solar panel from occasional rain or wet fog (USB ports and ammeter are not water-resistant). The zipped pocket keeps your devices safe and clean while camping. Please don't place your cellphones inside the pocket while charging for fear of overheating
- Easy to Use & Friendly Customer Support: Please unfold four portable solar panels in direct sunlight in the open air (No cloud and no shadow), then connect your device to the USB-A port with your certificated cable. This folding solar charger can't store electricity. You'll Get: 1x 28W Solar Charger, 1x USB-A to USB-C cable, 4x Carabiners and our friendly customer service
Frequently bought together

Product information
Technical Details
Additional Information
Date First Available | July 10 2017 |
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Customer Reviews |
4.2 out of 5 stars |
鶹 Rank |
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Is discontinued by manufacturer | No |
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in this set of products- 60W Foldable Solar Panel, Portable Solar Charger with USB-C PD3.0 / USB-A QC3.0 / DC 20-28V Port, IP67 Waterproof Solar Panel Kit for RV Camping Backpacking Compatible with Phone Tablet Power StationFREE Shipping by 鶹Get it by Tuesday, Jul 29Only 7 left in stock.
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This Item ![]() BigBlue 28W Solar Panels Charger with Digital Ammeter, Portable Folding Camping Solar Panel, Dual USB, Waterproof Solar Phone Charger Compatible with iPhone 13/11/Xs/X/8/7, iPad, Samsung Galaxy | Recommendations | |||
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $114.96$114.96 | $79.99$79.99 | $93.00$93.00 | $129.99$129.99 |
Delivery | Get it by Tuesday, Jul 29 | Get it by Tuesday, Jul 29 | Get it Aug 18 - Sep 9 | Get it by Tuesday, Jul 29 |
Customer ratings | ||||
Sold by | BigBlue-CA | ELECAENTA CA | Pandaskila | BigBlue-CA |
connector type | Micro USB, USB | usb | USB Type A, USB Type C,Micro USB | USB |
number of USB ports | 2 | 3 | 2 | 2 |
compatible devices | Cellular Phones, Tablets, Power Bank | All 5V USB Devices such as Smartphones iPhone,Airpods,Android,Tablets,Cameras,Power banks,Smartwatches,Switch,Headphones,Speakers,GPS and moreConnector Type | Cellular Phones, Smartwatches, Tablets, Laptops, Headphones | HTC/Google/Honor/Apple iPhone/Huawei/LG/Motorola/Nokia/Samsung/Sony cellphones, Battery Bank |
input voltage | 5 volts | 5.0 volts, 9.0 volts | 5 volts | 5 volts |
connector gender | Male-to-Male | USB-A,USB-A QC 3.0,Type C | — | Male-to-Male |
power source | Solar Powered | Solar Powered | Solar Powered | Solar Powered |
specification met | — | ETL | FCC, CE, RoHS | FCC, CE, RoHS |
output voltage | 5 volts | — | 5 volts | 5 volts of direct current |
cable length | 60 centimeters centimeters | — | — | 50 centimeters centimeters |
frequency range | 60 hertz | — | — | 60 Hertz |
current rating | 4 amps | 3 amps | 3 amps | 2.4 amps |
From the brand

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About Us
BigBlue was founded in 2007. Since we were founded, we have been committed to developing energy storage products with better performance, newer design and higher safety factor.
BigBlue is aimed to "Clean Safe Fast Energy" for people, making green and clean energy available everywhere. In this way, we hope to provide enough electricity to households in power-poor areas and promote development.
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28W Solar Panel Charger
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How we get our start?
We discovered that many families still suffer from energy problems. People have to choose the bulky and environmentally unfriendly generator.
What makes our products unique?
In 2020, the first portable LifePO4 power station Cellpowa 500 developed by our company was finally came out. After three years of continuous improvement and repeated testing, Cellpowa 500 is not only able to meet the energy needs of daily life, in addition it has passed the PSE and FCC technical certification and several safety performance tests.
Are our products high quality?
Looking for a way to store enough green and clean energy in a portable generator that customer can take anywhere.
Product Description

This portable solar panel can't store electricity, it must be placed in full sun outside, then connected to your electronics to start charging
The Max. output of each port is 5V/2.4A, the real output power will decrease if the solar radiation intensity reduces or the product temperature is too high
BigBlue 28W SUNPOWER Solar Charger with Digital Ammeter
- Portable and folding solar charger, designed specifically for those people with passion for trekking, camping, hiking, picnics, fishing, boat, etc.;
- Built-in Ammeter and zipped pocket, this 28w folding solar charger keeps your devices safe and convenient to your use;
- This solar charger with 2 USB-A outputs, compatible with most of 5V USB rechargeable devices, include the Apple and android cellphones, tablets, power bank, LED flashlight etc..
Model | B401E |
Folding Size | 11.1x 6.3x 1.3in |
Unfolded Size | 33.1x 11.1x 0.2in |
Net Weight | 1.5LBS |
Solar Panel | SunPower |
Operating Temperature | 14 ℉-158℉ |
USB-A Output | 2* 5V/2.4A Max, 5V/4.0A Max in Total |
Package Included | 1x 28W Solar Charger with Digital Ammeter, 1x USB-A to USB-C Cable, 4x Carabiners |

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If cloud or shade passes, does solar charger automatically recover or does it stop charging?
This 28w solar panel charger can automatically recover to charge your phone
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What does the red LED light mean?
The red LED light will go on when the solar panels works normally; It will flicker when there are over-current or short circuit.
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This solar charger can charge Androids and Apple cellphones and power station?
BigBlue 28w solar panel charger can charge most Androids and Apple cellphones, but our solar phone charger doesn't include the lightning cable for iPhone or iPad. This product comes with 2 5V USB-A output, so it can't charge power station.
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Why the real output is different from the power claimed?
This product has 4 piece panel, each is 7w, so the power is 4*7w=28W; Theoretical output is 5V/2.4A Max for each port, 5V/4.0A Max in total, the total theoretical power is 5V*4.A=20W Max. But there are loss in the solar energy conversion process.