HIGH EFFICIENCY NEKTECK’S PORTABLE SOLAR CHARGER. Are you an outdoor enthusiasts and planning to travel? Our USB solar panel is your perfect outdoor companion! made with Maxeon cells that are proven to be superior to monocrystalline cells these 4 solar panels are efficient enough to provide 28W of power with 24% efficiency, comes with IC Chip technology that can detect battery requirements and safely charge your device.
CHARGES 2 DEVICES AT A TIME, VAST COMPATIBLITY- this foldable solar panel has max (5V) 2.4A output per port, total charging power max (5V) 4.0A for 2 ports, suitable for iPhone series/iPad/ Compatible with Kindle Fire/Galaxy tablets. /Galaxy S, GPS, cameras, tablets and other USB devices(USB-A to Lightning Cable is NOT included)
PORTABLE SOLAR PANELS FOR CAMPING- The solar charging panel has the perfect features for your travel needs. IPX4 technology makes it waterproof, dustproof, shockproof and heat resistant, and comes with 2 carabiner clips, 5 eyelets, durable Velcro, and a zippered pouch to store your phone, batteries, and more. Easily attaches to your backpack or travel bag, hence a perfect backpacking solar panel.
FOLDABLE AND LIGHTWEIGHT: Our solar usb charger is easy to carry and you can take it anywhere! Compact folded size is about 16x 28.194x 2.794 cm, open is 82x 28.19x 1.778 cm, weight 650g, can adopt notebook size for your comfort
WORDS FROM NEKTECK: Our solar portable charger comes with 1x Micro USB cable, 1x user manual and 1x metal hooks along with 2 years warranty and lifetime customer service. If you have any questions regarding the product feel free to contact us.
Additional information
Product Dimensions
6.3 x 11.1 x 1.1 inches
Item Weight
1.44 pounds
Item model number
SM-B4112
Date First Available
June 3, 2020
Manufacturer
Nekteck
10 reviews for Nekteck 28W Portable Solar Panel Charger, 2 USB-A Ports, (5V/4.0A Max) 24% Efficient Maxeon Cells Solar Charger, IPX4 Waterproof, Compatible with…
Rated 4 out of 5
Alice aasbury –
I bought this solar charger out of curiosity – do a few small solar panels really produce enough electricity to charge a phone? After buying and trying this item out, I can confidently say that they do!
The solar charger is made well, with a nice sturdy and rigid feel. It folds up nicely to tuck away into a bag or in a car, and without many cables in the pouch, it’s surprisingly thin. Keep in mind if you put a bunch of cables in the pouch, it will add to the thickness, but it’s still not thick enough to be a burden.
I should add that the charger comes with a micro USB cable, which I wish was USB C at this price point but I have plenty of USB C cables lying around. You also get two carabiners which could come in handy to attach it to a backpack or other surface using the attached mounting holes.
As I said before, the solar charger comes with an attached zip pouch that you can put your phone in while it’s charging, as well as store cables and other necessary items when the charger is not in use. The pouch comes in handy for protecting your phone from the heat of the sun while you charge it, so that’s a big plus. Inside the pouch is a plastic brick with two USB ports, so you can charge two items at the same time. I wouldn’t recommend charging two at the same time, but I’ll get to that later.
One interesting quirk of this particular solar charging device is that it does not come with a battery or any way to hold a charge. Basically, if you want to charge your phone, you will have to connect the phone to the solar charger while it’s in the sun or, alternatively, you could use the solar charger to charge a portable battery pack if you’d rather charge your phone at a later time. I wouldn’t call this a flaw, but it’s something to keep in mind if you’re looking for a solar charger like this.
Next up, I’ll give some information about how well the charger works. As I said, I was curious, if not a bit skeptical before purchasing this product. To test it out with a variety of phones, I plugged in a Samsung Galaxy S10+, an iPhone 11 Pro Max, and an iPhone 7+. While the charger does not support fast charge for Android phones, it gets the job done. When two devices were plugged in at the same time, there was a slow down in charge speeds. The slower charge rate while trying to charge multiple devices was expected, but it’s nice to have the option in case you need to charge two things at once in a pinch and you’re not in a hurry.
I have seen some other reviews saying that the charger slows down when it is partially covered by shade, but this only happened to me when 2 out of the 4 solar panels were covered. When just one panel was covered, I did not see a decrease in charge speeds.
All in all, I’d say this is a pretty good charger for what it is. I would like it to be a bit cheaper, but overall I’m satisfied. I’m planning to keep this charger in my car in case of emergencies and I’m sure it’ll come in handy if I ever need to use it.
Rated 5 out of 5
Amazon Customer –
Works great. Charges my battery packs during the day while I explore the mountains!
Rated 4 out of 5
DK –
It’s a great charger and can do my battery bank and phone easily at same time. My only gripe is the USB ports point out of the storage pocket making it difficult to close and not damage your cables. Maybe I can reorient….
Rated 5 out of 5
Karel –
I was looking for a sustainable way to charge my gear when out in the wild. I am an avid photographer and onething about the current generation of mirrorless cameras are it’s low battery life. Despite what they say the battery dosent last for more than a day in my style of shooting. With this in mind I wanted to have a backup plan to keep my camera charged and I started exploring solar chargers as an option. I happened to stumble on this and am glad I purchased it. As you can see it does a great job at charging 2 USB devices simultaneously. I did a test in good sunlight and found that it can supply about 1000mA per USB port. It translated to about 40% of battery charge in an hour on my OnePlus phone and about 50% in my camera. (The reason the phone is less is because the phone has a bigger battery ). Now that’s pretty good. The construction of the panels is good and the canvas feels and looks good. The usb panel inside is well placed but is a little too tight for my liking. There is a small led light inside which indicates power and it lights up even the panels placed under artificial light although that will not really charge anything. The best use of this is in bright sunlight as expected but that it does well. So if you are in a place with abundance of sunlight then this is a great deal.
Rated 5 out of 5
Sriharsha Ganjam –
Been using it fr about 2 years now, and it is a dependable companion for areas with no electricity. It keeps my smartphone, DSLR and torch fully charged. I use a powerbank permanently with it, and all other things are charged nicely. Lovely product.
Rated 4 out of 5
Karel –
Great purchase! Loses a star as only one of the two USBs charges but the one that does does so very well. Surprisingly fast charge too. Light and small for a big day pack.
Rated 5 out of 5
ChristheITguy –
The media could not be loaded.
Depending on how couldy it is of course and how well you’re tracking the sun. Keeping in mind that seasons, time of day and clarity of the sky effects how your solar panel would end up charging your batteries. I advise highly anyone who uses solar not to charge phones but instead use powerbanks and then charge your phone, especially when it’s cloudy out and there’s a little bit of sunlight. During summer you can expect to be able to charge your 30,000 mah. Best to have two separate powerbanks of different brands and variable charging speed. Like 10,000 and 10,000 using fast charging cables of good quality.
Tracking the sun on angles allows you to charge efficiently. Sun moves, if it sees the light doesn’t mean it will charge well. Panels have to face the sun directly.
That being said, this solar set charges well and reliably for its compactness. It’s comparatively priced as a single reliable quality powerbank. It outlived 4 powerbanks and I’m an active outdoorsman throughout my life. DO NOT leave your batteries in direct sunlight especially during summer they’ll overheat, DO NOT put batteries in the pouch although they’re covered by fabric the sun will transfer heat to batteries, they’ll expand and stop charging efficiently or completely. Don’t let your powerbanks to zero out, leave at least 5% charge in them for the next day. It’s a great product I’m considering getting a second set because of how light it is, that doubling them down in my pack doesn’t make it too heavy. So, it’s worth it!
Rated 4 out of 5
ChristheITguy –
Can expect energy about one Ah at hour, so router with 3Ah (3000mAh) battery got charged with about 3 hours in full sunlight. Average 10000mAh battery bank would expect to be charged with 10 hours in ideal conditions, but never had a chance to try it in one go – it needs long day being outside at one place and panel rearrange after every two-three hours. But it is good for over night camping if before going to sleep setting it up in the direction where morning sun is rising, so for the time of wake up it has already made some hours of charging. Charging phone directly is out of question – atleast Samsung phone will think this is dumb charger and will not get from it more than 0,5A at 5V and it would take 8+ hours to get full charge. So it is always good to have two battery banks – one to charge phone at night sleep time and another to get morning sunlight charge while still sleeping (and swapping them for next night). It will give about 1,5A 5V at full sunshine for all battery banks I tested with.
Rated 3 out of 5
Alice aasbury –
Edit: Well, we’ve used it a few times and it delivers on some promises – it’s a 28W solar charger, but it won’t negotiate any rapid charging / quick charging standard to allow it to deliver more than 5W per port (5V @ 1A). So, with two devices connected, it only delivers 5W per port, 10W max. Every device treats it like an unknown / trickle charge source. Not necessarily a deal breaker, but if it allegedly delivers 28W, there’s not much point to it if won’t negotiate any charging protocol above 5W. Verified this with a USB charger diagnostic tool that shows voltage, current and cumulative watt hour / mAh.
Fantastic solar charger! We bought it for when we go back country hiking and camping to keep our Garmin Inreach Explorer satellite communicator, rechargeable flashlights and phones charged. Even when partly overcast, the charger still delivers enough power to be useful. When folded up, it’s small and light enough to stow in your pack while hiking. It does have lanyard rings to sling it from a backpack and hang it while you hike but we haven’t used that function. We plan on using it kayaking soon (it’s not waterproof however, so be sure to store it in a waterproof bag / container when on the water just to be safe).
Rated 4 out of 5
Harvey R Grimes –
It charged my Samsung S21 Ultra as fast as my Anker charger did under a semi-cloudy sky
Alice aasbury –
I bought this solar charger out of curiosity – do a few small solar panels really produce enough electricity to charge a phone? After buying and trying this item out, I can confidently say that they do!
The solar charger is made well, with a nice sturdy and rigid feel. It folds up nicely to tuck away into a bag or in a car, and without many cables in the pouch, it’s surprisingly thin. Keep in mind if you put a bunch of cables in the pouch, it will add to the thickness, but it’s still not thick enough to be a burden.
I should add that the charger comes with a micro USB cable, which I wish was USB C at this price point but I have plenty of USB C cables lying around. You also get two carabiners which could come in handy to attach it to a backpack or other surface using the attached mounting holes.
As I said before, the solar charger comes with an attached zip pouch that you can put your phone in while it’s charging, as well as store cables and other necessary items when the charger is not in use. The pouch comes in handy for protecting your phone from the heat of the sun while you charge it, so that’s a big plus. Inside the pouch is a plastic brick with two USB ports, so you can charge two items at the same time. I wouldn’t recommend charging two at the same time, but I’ll get to that later.
One interesting quirk of this particular solar charging device is that it does not come with a battery or any way to hold a charge. Basically, if you want to charge your phone, you will have to connect the phone to the solar charger while it’s in the sun or, alternatively, you could use the solar charger to charge a portable battery pack if you’d rather charge your phone at a later time. I wouldn’t call this a flaw, but it’s something to keep in mind if you’re looking for a solar charger like this.
Next up, I’ll give some information about how well the charger works. As I said, I was curious, if not a bit skeptical before purchasing this product. To test it out with a variety of phones, I plugged in a Samsung Galaxy S10+, an iPhone 11 Pro Max, and an iPhone 7+. While the charger does not support fast charge for Android phones, it gets the job done. When two devices were plugged in at the same time, there was a slow down in charge speeds. The slower charge rate while trying to charge multiple devices was expected, but it’s nice to have the option in case you need to charge two things at once in a pinch and you’re not in a hurry.
I have seen some other reviews saying that the charger slows down when it is partially covered by shade, but this only happened to me when 2 out of the 4 solar panels were covered. When just one panel was covered, I did not see a decrease in charge speeds.
All in all, I’d say this is a pretty good charger for what it is. I would like it to be a bit cheaper, but overall I’m satisfied. I’m planning to keep this charger in my car in case of emergencies and I’m sure it’ll come in handy if I ever need to use it.
Amazon Customer –
Works great. Charges my battery packs during the day while I explore the mountains!
DK –
It’s a great charger and can do my battery bank and phone easily at same time. My only gripe is the USB ports point out of the storage pocket making it difficult to close and not damage your cables. Maybe I can reorient….
Karel –
I was looking for a sustainable way to charge my gear when out in the wild. I am an avid photographer and onething about the current generation of mirrorless cameras are it’s low battery life. Despite what they say the battery dosent last for more than a day in my style of shooting. With this in mind I wanted to have a backup plan to keep my camera charged and I started exploring solar chargers as an option. I happened to stumble on this and am glad I purchased it. As you can see it does a great job at charging 2 USB devices simultaneously. I did a test in good sunlight and found that it can supply about 1000mA per USB port. It translated to about 40% of battery charge in an hour on my OnePlus phone and about 50% in my camera. (The reason the phone is less is because the phone has a bigger battery ). Now that’s pretty good.
The construction of the panels is good and the canvas feels and looks good. The usb panel inside is well placed but is a little too tight for my liking. There is a small led light inside which indicates power and it lights up even the panels placed under artificial light although that will not really charge anything. The best use of this is in bright sunlight as expected but that it does well. So if you are in a place with abundance of sunlight then this is a great deal.
Sriharsha Ganjam –
Been using it fr about 2 years now, and it is a dependable companion for areas with no electricity.
It keeps my smartphone, DSLR and torch fully charged. I use a powerbank permanently with it, and all other things are charged nicely.
Lovely product.
Karel –
Great purchase! Loses a star as only one of the two USBs charges but the one that does does so very well. Surprisingly fast charge too. Light and small for a big day pack.
ChristheITguy –
The media could not be loaded.
Depending on how couldy it is of course and how well you’re tracking the sun.
Keeping in mind that seasons, time of day and clarity of the sky effects how your solar panel would end up charging your batteries.
I advise highly anyone who uses solar not to charge phones but instead use powerbanks and then charge your phone, especially when it’s cloudy out and there’s a little bit of sunlight.
During summer you can expect to be able to charge your 30,000 mah. Best to have two separate powerbanks of different brands and variable charging speed. Like 10,000 and 10,000 using fast charging cables of good quality.
Tracking the sun on angles allows you to charge efficiently. Sun moves, if it sees the light doesn’t mean it will charge well. Panels have to face the sun directly.
That being said, this solar set charges well and reliably for its compactness. It’s comparatively priced as a single reliable quality powerbank. It outlived 4 powerbanks and I’m an active outdoorsman throughout my life. DO NOT leave your batteries in direct sunlight especially during summer they’ll overheat, DO NOT put batteries in the pouch although they’re covered by fabric the sun will transfer heat to batteries, they’ll expand and stop charging efficiently or completely.
Don’t let your powerbanks to zero out, leave at least 5% charge in them for the next day.
It’s a great product I’m considering getting a second set because of how light it is, that doubling them down in my pack doesn’t make it too heavy.
So, it’s worth it!
ChristheITguy –
Can expect energy about one Ah at hour, so router with 3Ah (3000mAh) battery got charged with about 3 hours in full sunlight. Average 10000mAh battery bank would expect to be charged with 10 hours in ideal conditions, but never had a chance to try it in one go – it needs long day being outside at one place and panel rearrange after every two-three hours. But it is good for over night camping if before going to sleep setting it up in the direction where morning sun is rising, so for the time of wake up it has already made some hours of charging. Charging phone directly is out of question – atleast Samsung phone will think this is dumb charger and will not get from it more than 0,5A at 5V and it would take 8+ hours to get full charge. So it is always good to have two battery banks – one to charge phone at night sleep time and another to get morning sunlight charge while still sleeping (and swapping them for next night). It will give about 1,5A 5V at full sunshine for all battery banks I tested with.
Alice aasbury –
Edit: Well, we’ve used it a few times and it delivers on some promises – it’s a 28W solar charger, but it won’t negotiate any rapid charging / quick charging standard to allow it to deliver more than 5W per port (5V @ 1A). So, with two devices connected, it only delivers 5W per port, 10W max. Every device treats it like an unknown / trickle charge source. Not necessarily a deal breaker, but if it allegedly delivers 28W, there’s not much point to it if won’t negotiate any charging protocol above 5W. Verified this with a USB charger diagnostic tool that shows voltage, current and cumulative watt hour / mAh.
Fantastic solar charger! We bought it for when we go back country hiking and camping to keep our Garmin Inreach Explorer satellite communicator, rechargeable flashlights and phones charged. Even when partly overcast, the charger still delivers enough power to be useful. When folded up, it’s small and light enough to stow in your pack while hiking. It does have lanyard rings to sling it from a backpack and hang it while you hike but we haven’t used that function. We plan on using it kayaking soon (it’s not waterproof however, so be sure to store it in a waterproof bag / container when on the water just to be safe).
Harvey R Grimes –
It charged my Samsung S21 Ultra as fast as my Anker charger did under a semi-cloudy sky