Last Updated: July 10, 2020 (Refresh Now)
BigBlue 28W Solar Charger with Digital Ammeter 2USB 5V 4A Max Overall Portable Waterproof Solar Panels Phone Charger Compatible with iPhone 11 Xs XR X 8 iPad Samsung Galaxy LG Google Pixel etc
Last Updated: July 10, 2020 (Refresh Now)
7.5
SCORE
/10
Total Reviews
367
Old Reviews
218
Unverified
13
Spam Test
PASS
Yes
USB
8.19 meters
SIZE
Review Analysis - 136 recent, verified reviews
Detailed Mode
Charging
63charged, sun, solar charger, sunlight, solar
+79%
-21%
" ... I have not tried charging two devices at the same time but it works well with my iPad. ... "
" ... Charging my battery pack while off the grid was fast, efficient and reliable. ... "
" ... Fast charge even when dim light, came with 4 carabiners and a usb to mini usb type b cable. ... "
" ... Solar charging systems must be reliable. ... "
" ... This solar charger works very well for me, even on cloudy days. ... I charge a power bank (or two) at a time and then charge other devices using the banks. ... This approach ensures consistent charging power for my devices and reduces the loss in the event the charger stolen. ... In full sun, depleted power banks typically start charging with ~2 amps and fall to ~.4 amps as they become full. ... "
" ... Amazed at how little light it actually needs to stay charging. ... "
" ... This charger requires actual sunlight to operate. ... It has an amp meter that shows the charge rate, which helps you get the most rays. ... Even in very iffy sunlight, it charged at around half an amp. ... I often charge a large kindle fire and a cell phone simultaneously. ... "
" ... This little solar charger is fantastic! ... Charges my 6500 + 2500 mah battery blocks easily as well as any usb device I’ve plugged in (iPhone, iPad, etc). ... "
Battery Life
30charged, hours, battery pack, sunlight, cloudy
+80%
-20%
" ... I can charge my IPhone XS Max in no time. ... "
" ... Even charged in the rain. ... "
" ... It's convenient to be able to charge 2 phones at once. ... "
" ... Used to recharge batteries and phone directly. ... "
" ... I have it packed away along with a few large capacity battery packs. ... This takes a long while to charge the battery packs but it does the job which is nice. ... "
" ... Inside I plugged in my spare battery pack and a small ozone generator. ... "
" ... He was surprised how quickly it charged his phone up. ... "
" ... I zip tie it on the back of my hunting pack and now I don’t have to worry about carrying lots of batteries or leaving my GPS on overnight ... "
For Travel
13camping, took, trips, remote, hiking
+77%
-23%
" ... I purchased this mainly for backpacking trips so that I can keep my Garmin & cell phone charged. ... "
" ... Bought it for camping and home use. ... "
" ... Kept his phone and camera charged through 4 weeks of camping and hiking in the back country without a noticable weight addition. ... "
" ... Took it camping and I was a little skeptical about the charging capabilities of it. ... "
" ... It has been on two, week long backpacking trips plus several kayaking adventures on the river! ... "
" ... Took this on a Grand Canyon trip, used it to top up my phone battery, worked for me. ... "
" ... A lot of the boys are now looking at buying solar chargers for our next trip! ... "
" ... It works great camping. ... "
Product Reliability
9working, using, stopped, months, month
+56%
-44%
" ... I staked a lot on these working for me for a full month in the backcountry and they worked exactly as I had hoped. ... "
" ... I’ve been using it for months now and it’s great. ... "
" ... I've been using this for a few months now and it still works! ... "
" ... It worked flawlessly. ... It worked perfectly fine until it was stolen. ... "
" ... Very reliable company. ... "
Size
9use, like, lightweight, easily, bag
+89%
-11%
" ... If you are searching for a product like this you won’t be disappointed with the big blue. ... "
" ... It was light weight and hardly notice it while it was attached to my backpack. ... "
" ... Got for a bugout bag. ... "
" ... Very versatile for use and size. ... "
" ... I particularly like how well it folds up into a small enough package easily transport. ... "
" ... Its lite weight and has a pocket to put phone or cords in. ... "
" ... It's lightweight and can be easily carried in a backpack matter of fact I hooked it to my back and charged as I was hiking! ... "
" ... lightweight easy to use ... "
Price
7worth, well, waste, value, price
+57%
-43%
" ... Excellent value at its current price point. ... "
" ... I have not found any drawbacks and outdoorgearlabs rated it either best or best value . ... "
" ... Seemed to work well for the price. ... "
Display Clarity
7solar panel, panel, sunlight, day, solar charger
+57%
-43%
" ... and the display jumped from 1.7 to 3.6. ... "
" ... Wow, I’m very impressed with the quality and performance of this solar panel. ... "
" ... This is the best solar panel I have used to date! ... "
Ports
7port, devices, 1, max, charge
+86%
-14%
" ... It seems that each USB port is effectively it's own circuit. ... Or, in other words, to get the max output you HAVE to have two devices plugged in at once. ... "
" ... I've verified the amp displayed with an external USB analyzer and it's within 0.1 amps. ... "
" ... Everything solar is rated at its best-case scenario so I'm very pleased to get almost 3 Amps on a single USB port. ... "
" ... And I also love USB gadgets, so I really love this item. ... I found it can fully charge my 25,000 mah bank in less then a day with 1 of the USB ports. ... And with the other port I use it to charge my other banks and USB devices. ... "
" ... This unit seems to work great so far and has a three headed adapter for most of the electron devices I use. ... "
" ... 2 port chargers , 2 devices. ... Meter for each port. ... "
Build Quality
7works, use, really, panels, one
+71%
-29%
" ... I really liked the many grommet holes around the edges so that I could use several mini-bungees to tie them together and stake them to the ground, strap them to the side of my tent or strap them to the top of the canoe. ... "
" ... It looks feels and works like a quality product. ... "
" ... I love that it even came with carabiners to make use of the grommets in the corners. ... "
" ... 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. ... "
" ... I have dropped this thing from a good 40-50ft onto concrete and no damage. ... "
Water Resistance
6water resistant, waterproof, several, rain, days
+83%
-17%
" ... I was interested in these particularly for their power capacity, but also for their water resistance. ... These are not made to soak for days in water, so I was pleasantly surprised. ... "
" ... Portable water proof, lightweight, durable ... "
" ... no issue with rain. ... "
" ... It has been on two, week long backpacking trips plus several kayaking adventures on the river! ... "
Device Compatibility
5never, cell, max, devices
+60%
-40%
" ... Or, in other words, to get the max output you HAVE to have two devices plugged in at once. ... "
" ... Though the Zombies are at a distinct advantage, I will have a Cell Phone Nonetheless! ... "
" ... This is a must purchase if you have a smart phone and or tablet. ... "
Ease of Use
3use, lightweight
+100%
" ... Easy to store folded up. ... "
" ... It automatically resets when it gets cloudy, so it is very intuitive and easy to use. ... "
" ... lightweight easy to use ... "
Sound Quality
3amp, 4
+100%
" ... Phones, lanterns, Bose speakers, blender, radio, etc. ... "
" ... So then I purchased this Big Blue because it was rated up to 4 amps output and had the built-in amp meter. ... "
Power Consumption
3power
+100%
" ... This Big Blue solar is especially awesome because of the continuous power output indicator. ... "
" ... Great product, plenty of power. ... "
Delivery
32
+67%
-33%
" ... While testing, i discovered that plugging a second device in did NOT half the current going to one device, it actually delivered the same amount to the other as well . ... "
" ... Quality product and quick delivery. ... "
Weight
3light, backpack
+67%
-33%
" ... It was light weight and hardly notice it while it was attached to my backpack. ... "
" ... Its lite weight and has a pocket to put phone or cords in. ... "
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Specifications
Body
Size: 8.19 meters
Connectivity
USB: Yes