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BigBlue Portable Solar Charger 28W with Digital Ammeter,25.4% High-Efficiency, USB-A/USB-C Ports, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank

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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon

Arrives May 16 – May 20
Order within 14 hours and 54 minutes
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Color: Black


Features

  • Superior Sunlight Harvesting: BigBlue portable solar panel boasts premium, high-efficiency solar cells achieving an impressive 25.4% sunlight-to-power conversion. Featuring a sleek, unobstructed design free from front-facing metal lines, it maximizes light capture for significantly increased power output and enhance heat dissipation, and extending the panel's operational longevity.
  • Intelligent Fast Charging Ports: Equipped with dual high-speed ports featuring an intelligent chip for device identification, our solar phone charger dynamically delivers optimal power to your gear: USB-A (max. 5V/2.4A) and USB-C (max. 3A), with a combined output up to 5V/4A. Perfect for fast-charging smartphones, power banks, GPS units, tablets, and more.
  • Real-Time Power Monitoring & Ultimate Portability: Conveniently track energy generation with the integrated digital ammeter displaying real-time current output. Real power output depends on sunlight intensity, device placement, temperature, and device compatibility. Designed for adventure, this 1.47lbs foldable solar panel ensures effortless transport and secure attachment during camping, hiking, fishing, or any outdoor explorations.
  • Rugged & Weather-Resistant: Engineered with robust, industrial-grade PET polymer fabric and certified IP44 water resistance, this durable solar panel charger withstands occasional rain and damp conditions (Keep USB ports and ammeter dry). The integrated, secured zippered compartment safely stores devices while camping. (Avoid placing phones inside while charging to prevent overheating).
  • Effortless Operation: Achieve peak performance by unfolding all four panels under full direct sunlight. Connect your compatible device to the USB ports using the provided cables (Note: This solar charger does not store energy; it charges connected devices directly in direct sun). Complete kit includes: 1xBigBlue 28W Solar Charger, 1xUSB-C to USB-C Cable, 4xDurable Carabiners, plus our responsive and friendly customer service.
  • Note: This 28W portable solar charger is designed for direct charging and does not have an internal battery to store electricity. Optimal charging speed requires direct sunlight, as insufficient sunlight will result in unstable or reduced power output. Its power output is not sufficient for charging laptops or large power stations

Features

  • Built-in Digital AmmeterBigBlue 28w solar panel charger can measure the current real-time value, convenient to your use. Note that the value of actual outputs depends on your connected devices, sunlight intensity and the used cable. If your device has an limited input current of 1A (such as the iPhone), the amount of ammeter will show between 0.8A and 1A in theory.
  • Higher Solar Conversion EfficiencySunPower Solar Panels is the most durable panels at present, whose conversion efficiency can reach 24%. If clouds blocking the sun, this portable solar charger can detect intelligently the sunlight and restart to charge your electronic in 30s when there are enough sunlight. Foldable design and 4 carabiners is easy to carry for any outdoor activities such as camping trip, climbing, fishing etc..
  • Exclusive Smart IC TechnologyWith the built-in intelligent chip, our solar phone charger detects your device then deliver its fastest possible charging speed( Single maximum output up to 5V/2.4A, dual maximum outputs is up to 5V/4A). Dual-port applys to all the 5V Android devices and 5V powered apple devices. Note: We don't provide the lightning cable for Apple devices.
  • Special PET Polymer SurfaceIndustrial-strength PET polymer fabric and IPX4 waterproof panels protect your solar phone charger from occasional rain or wet fog, but the 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 and damage.
  • Easy to Use & Friendly Customer SupportPlease unfold four 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. What You Get: 1x 28W Solar Charger, 1x USB-A to USB-C cable, 4x Carabiners and our friendly customer service.

Brand: BigBlue


Connectivity Technology: USB


Connector Type: USB Type A


Compatible Devices: Cellular Phones, Tablets, Power Bank


Compatible Phone Models: IPhone 13, 11, Xs, X, 8, 7 iPad, Samsung Galaxy, Google Pixel


Included Components: 4x Carabiners, 1X 28W Solar Sharger, 1x USB-A to USB-C cable


Special Feature: Charging Indicator, Travel, Waterproof, Short Circuit Protection


Color: Black


Input Voltage: 5 Volts


Mounting Type: Unfold all the solar panels and connect to your devices in direct sunlight


Product Dimensions: 11.23 x 6.3 x 0.71 inches


Item Weight: 1.31 pounds


Item model number: B401E-US


Is Discontinued By Manufacturer: No


Connectivity technologies: USB


Special features: Charging Indicator, Travel, Waterproof, Short Circuit Protection


Other display features: Wireless


Color: Black


Whats in the box: 4x Carabiners, 1X 28W Solar Sharger, 1x USB-A to USB-C cable


Manufacturer: BigBlue


Country of Origin: China


Date First Available: June 6, 2017


Brand: BigBlue


Material: Monocrystalline Silicon


Product Dimensions: 11.2"L x 6.3"W x 0.2"H


Item Weight: 595 Grams


Efficiency: High Efficiency


Efficiency: High Efficiency


Amperage Capacity: 1 Amps


Maximum Voltage: 5 Volts


Maximum Power: 28 Watts


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


Output Voltage: 5 Volts


Connector Type: USB Type A


Item Dimensions L x W x H: 11.2"L x 6.3"W x 0.2"H


Item Weight: 595 Grams


Folded Size: 40.6 x 11 x 0.2 inch


Material Type: Monocrystalline Silicon


Brand Name: BigBlue


Included Components: 1X 28W Solar Sharger, 1x USB-C to USB-C cable, 4x Carabiners


Model Number: B401E


UPC: 768390608786


Global Trade Identification Number: 86


Manufacturer Warranty Description: 18-month warranty


Manufacturer Part Number: 1


Manufacturer: BigBlue


Item Type Name: solar panel charger


Unit Count: 1.0 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 16 – May 20

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


  • Very descent for these money
Color: Black
It’s solid. On the bright sunlight it charges two devices with 2.3-2.4 amps. Good enough to recharge two 10000 mah power banks within several hours. We took it to Yosemite and it did the job. I didn’t take it on the hike, not sure it would work well when attached to the backpack - the angle of the sunlight wouldn’t be good. Works perfectly if you leave it in the camp though. While we were hiking it was completely recharging our power banks. The main con is that if one of the panels is in the shade, the charging is closed to zero. The second one is that the pocket for the device is not insulated and, well, it’s black. So if you put your smartphone there, it will be overheated within a few minutes and will stop charging. At first I think it didn’t work properly though, so here a few tips that I’ve figured: 1. All the panels must be exposed to the sunlight. Even a small shade on the panels affects efficacy dramatically. 2. It’s better to use with powerbanks rather than charge your phones/tablets/whatever directly. 3. Whichever device you are charging, keep it off the sun. The pocket on the solar panel itself doesn’t work at all, and if your device has any overheat protection, it will stop charging pretty soon. If it doesn’t have a protection, it can just explode if the sun brights really hot. I was putting the solar panel on a camping chair with insulated pocket for a cold drinks and putting my power banks in the pocket. Works pretty well. 4. If the sunlight is good, there is no need to try to sustain the good angle (the closer sun rays fall to 90 degrees, the more power the panel will generate). But if it’s not very sunny, try to put something under the panel to keep it directed towards the sun. With that, I think it’s a pretty good solar panel, if you know the above and understand how to use it. Be safe outdoors! ... show more
Reviewed in the United States on September 7, 2022 by Mr. D

  • I love this charger (BigBlue 5V 28W with readout) I use ...
Color: Black
I love this charger (BigBlue 5V 28W with readout) I use this to charge multiple battery packs and it is wonderful. I have charged my phone off of this all year so far. I bought a usb multi meter to check voltage. The voltage is regulated well and I have never seen it go above 5.1V. The lowest voltage I have seen on a cloudy day was 4.9, still well within range to charge my battery pack. I live in AZ and get plenty of sun. My battery packs are always charging at max input because this charger has so much power available. I built a stand which I set the solar charger on. The stand can change angles so it can be aimed for the best angle. I have used this to go camping and never needed to plug into the grid to power anything within my camp site. I truly can’t say enough good things about this charger. 1 year update. 12/27/18 Still as strong as the first day I received it. The fabric has faded however, that’s to be expected with as much use as this gets. The Arizona sun is relentless and will fade any fabric. I have used this solar charger to run all of my USB devices and I only need to use it every few days when paired with a proper battery bank. I am now using this charger to charge a ~26,000 ma battery bank (Anker). I charge at 4A and the pack is charged fully within 6-7 hours. This battery lasts my Wife and I 5 full days with both of our phones (3 year old iPhones) from dead to full charge. Even in December, I am able to pull 3.9 A at about 11:00 AM. If you are looking for a great product to help get away from the grid for any reason. This is what you will want. It has plenty of power to charge almost anything USB you can think of, especially when you pair it with a good storage bank. Update: 3/18/2023 Still working great! I have used this hundreds of times by now. Even being over 5 years old, it still puts out 4 amps. My cords are the limiting factor. I still take this with us everywhere. When we’re camping, we never need to worry about our USB powered devices going dead. I always have this charging several battery banks to ensure we are good to go. We truly enjoy this solar panel and have recommended it several times over to friends and family. One thing to note, as with any fabric, the color will fade with the sun. So it does not look “pretty” and new any more, but I think of it as a battle scar and how many good times have been had because it sat out and baked in the sun! ... show more
Reviewed in the United States on April 3, 2018 by Eden

  • Buy it, works great!
Color: Black
Works really well, i am impressed how well it charged battery packs. Very pleased with this for off grid recharging of small electronics.
Reviewed in the United States on April 11, 2026 by KR

  • Seems to work just fine
Color: Black
Have only used this once and it was a partly sunny day (so, plenty of clouds). My iPhone 6S was down to 7% power. I just laid the Big Blue down on a table on the back deck (in full sun). About 15 minutes later, I was up to 22%. Another hour passed and I was up to 44%. Forty minutes after that, 73%. Fifteen minutes passed and I was at 82%. Thirty minutes later, up to 94%. Another fifteen minutes, 97%. When I last checked after another 15 minutes, I was at 100% (a total of just over 3 hours). The reading was typically at .2 and .3. If I held the charger up to angle towards the sun more, I would obviously get a higher reading. I previously used a solar charger with a built-in battery. The battery went bad after a while, so I decided to switch to just a solar charger. I can always get an external battery pack to charge up and then use later to charge a phone or something else when the light is not available. Anyway - this one seems to be nice and compact (as solar chargers go - it folds up easily), has a sturdy fabric cover (haven't tested water-proof qualities yet), and seems to work just fine on a fairly cloudy day. An important note to consider - at first I laid out my iPhone with the charger on the table. When I first checked it, there was a warning on the iPhone that it had gotten too hot and should be cooled down before using (never seen that warning before!). Makes sense, though....a black item sitting in the direct sun. So, I just moved it to some shade while I kept the solar charger in the sun. ... show more
Reviewed in the United States on August 24, 2019 by crteach

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