BigBlue 28W Solar Panel Charger with Dual USB-C and USB-A, Portable Solar Phone Charger for Camping, Hiking, Backpacking, Emergency Solar Charger for iPhone, iPad, Samsung Galaxy, Power Bank, GPS etc

When I first purchased this portable solar panel, I was skeptical about its capabilities. To be honest, I didn’t anticipate its impressive performance. Let’s begin with the build quality. The manufacturer has done an excellent job with the design and construction. The foldable design makes it incredibly portable, and the panels themselves feel sturdy and well-made, not cheap at all. I appreciate that it comes with carabiners, which makes attaching it to a backpack or hanging it easy and convenient. Since I’m always on the go and carry a lot of tech, I’m constantly in need of extra power for my gadgets. I paired this solar panel with a NESTOUT 15000N portable outdoor battery, and they work seamlessly together for my needs. The solar panels keep my battery charged, and I use the power from the battery to quickly charge my devices. The USB-C ports and USB-A port works great without any problems and allows me to connect to my devices quickly without any delay. Now, don’t expect these small panels to charge devices rapidly. They do the job, and so far, with the sunlight I’ve been exposed to daily, they’ve worked flawlessly. I highly recommend this product. Considering its limitations and my use case, I believe it was a wise investment. I’ve also recommended it to several friends who work outdoors, and they’re equally impressed with its performance.

A lot of people complain about the charge times or it not working. First it's a solar panel, it's not going to charge as fast as it would plugged into your car or wall. Second it works best when it is outside in direct sunlight, not behind glass, not in the shade, not in cloudy weather, IN DIRECT SUNLIGHT. It will charge if it's not in direct sunlight, but much slower. Also it's going to take longer to charge if you're using your phone while charging. The more you plug into it, the longer it will take to charge everything. It also doesn't help if you're using a 12ft long cable. So keep in mind when buying this, direct sunlight, turn off the device you're charging, charge 1 device at a time when possible, and use the shortest cable possible. It's very useful to have. Good for camping, hiking, hunting, survival, emergency preparedness, or just being environmentally conscious. If there's a reason why you can't charge your phone from an outlet, this is perfect. The size is about that of two tablets/iPads stacked on top of each other or a small laptop when folded up. And about 3 or 4 tablets/iPads side by side when opened up. It came with some carabiners so you can attach it to your backpack, tent, a chain link fence or just about anything that would help face it in direct sunlight. It also has a little indicator light where you plug your USB cable into that lets you know if you are getting power, the brighter the light, the more power you're getting. As long as you keep those few things in mind this solar panel is effective and super simple to use.

My intended use of this product is to maintain complete power independence for months-long, off-grid backpacking (thru-hiking). I've always laughed at the hikers who try to make things work with a single panel on top of their backpack, but the bigblue can work, under the right conditions. My electronics consist of generic bluetooth listening devices, a cell phone, a gps communications and tracking device, a rechargeable tracking watch, a rechargeable air mattress inflator, a rechargeable headlamp, and a 10,000 mAh power bank with dual charge inputs and a maximum recharge rate of 22W. Since the bigblue only delivers a maximum of 5V @ 2.4A to each of its 3 usb, connectors, it means you can only expect a maximum of 12W from each usb connector. Therefore, to obtain the maximum possible powerbank recharge rate from this setup, I needed a powerbank with 2 charge inputs. The only such one I could find in the 10k mAh range was the nitecore nb10000 gen 3. In theory, I could get 24W from 2 of the bigblue usb connectors, and I would be wasting a couple of watts on the nitecore, but in reality so far I have not gotten more than about 16-17W form the bigblue, as measured using an Anker Prime 27,650 power bank. That's in southern US and november sky, but I would not expect more than about 20-21W under perfect conditions, anyway. I have tested and determined that hanging the bigblue from the backpack is pretty much useless and not worth the effort. Also, it only delivers a trivial amount of power under heavy cloud conditions. It does deliver modest amounts of power when the sun is still fairly bright through a fully overcast sky. Under partly cloudy skies, with thicker clouds, the output falls off dramatically when the sun is blocked. The most workable solution that I have found is to pack up the bigblue in the morning, leaving it in the top of my pack. I'll take a 15 minute break mid-morning and quickly pull out the bigblue and connect the nitecore to 2 ports and my cell phone to the third port, providing the right sun conditions exist. The bigblue does not have a kickstand, and the panels flop around, so I find a long, straight stick and prop up the panels using a few bits of gear to prop the stick and panels up straight. The same process is repeated at lunch time for a 1 hour lunch break, and possibly another short break mid-afternoon. Using this approach, under the right conditions, I can fully recharge my phone from about 80% and I can recharge up to 2 bars out of 4 on my power bank. This is generally all I need, but I have not determined how long this setup would last with prolonged days of no adequate sun. I could probably last a week or so with careful use of electronics, but then I would be digging out of a power deficit for several days after. If the cloudy conditions persist, I would be forced off trail to recharge. I have also found that the bigblue can still deliver 3 watts or so folded up, with only one panel exposed to full mid-day sun and laying flat . This might work to charge low-power devices with the bigblue laying flat on top of the backback. It's always going to be important to make sure any means of securing the unit does not cast any shadow anywhere on the panel. My bigblue weighs 24-7/8 ounces. It's an awful lot to lug around. I think a lot of that weight is in the fabric, velcro closures and hanging grommets. I keep looking at the thing and wondering how much I could cut off. The 3 output connectors, with limit to 12 watts on each, is a pain when trying to find a suitable power bank that can recharge at a faster rate than 12 watts. Maybe 2 usb-c's, with no limitations, would work better? The weight and the connectors are my reason for 4 stars. So far, I have not tested for many days on trail, but it's looking possible. The implementation is not ideal, but I'm balancing that against having to go off trail and find an outlet.

The panel charged my 16000 mAh, 59.2 wh battery pack in 4 hours. I can then recharge my phone several times with that pack. worked faster than expected.

太陽に当てても充電が出来ない！と思っていたら、私の勘違いで、蓄電する訳ではなく、太陽に当てながら充電をする物でした。 レビューを入れたところ、親切に対応していただきました。 星1→星5に変更しました。

bought this and a competitor to allow free charging and usb power for phones, radieo, flash lights and walkie talkies both at home and "camping out" in SHTF situations or bugging out, recharge power is vital. so how did they do? I ran 2 mobiles down to 10%, placed this 14 w and the competitor 15 w in the sun and connected the phones, after 4 hrs this had charged to 85% while the other only 40% after 6 hours this reached full as opposed to 70%. next i tried some new rechargable batteries, AA, This took 3hrs while the other took 5 hrs. this is fairly light and easy to clean. at the same time i charged my phone I also charged a power bank, making the phone chargin more impressive. it also has a pocker for the power brick. Only negative being the carabinas, so thin they gave no confidence in hanging the panels and attached power bank, so I use my own heavy duty ones. pay the extra tenner for this, it will pay for itself very quickly.

Contrairement à certains commentaires, je trouve que ces panneaux solaires depliants rechargent très bien, je peux avoir une charge à 100 %/joir sur une batterie de 10000 a ou téléphone. Je suis toujours très etonnée de constater qu'il charge, biensûr moindrement, en temps un peu couvert. C'est le deuxième que je rachète, je profite toujours des promos. Il faut savoir qu'il rechargera moins sur un sac à dos car on est susceptible de changer d'orientation souvent, mais en fixe il est impeccable.

I recieved the ild version of the product, not the same as the picture shown. Though very few changes in the updated one but its not right to cheat. Used very few times till now and satisfied with the quality and charging level. More can be said only after using it properly for a trek

Wat een geweldig product. In de zon krijg je natuurlijk niet de volle 14w, maar dit zonnepaneeltje wekt ook stroom op bij bewolking. Zover heb ik er 8w uitgekregen wat al geweldig is voor mij (ik heb hem maar 1x getest, dit is wel in de zon) wat genoeg is voor mij omdat mijn smartphone laadt rond de 7.5w aangezien ik alleen gebruik maak van normaal, en niet snelladen. Hiermee is mijn smartphone in ongeveer 1.5 uur geladen. Echte aanrader!