Lightweight, Folding Solar Panel from TEMU Tested

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[@jimbert50]

Test it outside in the sun. An LED light is not a good source for this test.

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@artefactskgb]

@@learnelectronics its a solar panel, it needs sunlight not led light. This is totally wrong.

[@tenlittleindians]

I got a couple of the 200 watt folding panels. I tested them with the sunlight coming in my garage windows and couldn't even charge a 12 volt scooter battery. After half a day of charging it still was completely dead. I moved the battery and panel outside and it charged to full in an hour! To really play with your tiny panel try hooking it up to one of those DC to DC boost boards you can get from Chinese sources for less than $2 dollars. Set the boosted voltage to 13.5 volts and see if you can then charge up your power cell that needs a 12 volt input.

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@ah-64apache84]

actual sunlight provides more energy for the same brightness, since it radiates in the uv spectrum too. LED lights are designed to efficiently transform electricity into a lot of visible photons, not highly energetic photons (uv), since that would be far less efficient...

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@Multi-Skill-Bill]

That looks very much like the one Harbor Freight used to sell (that I own) and am VERY happy with. I have used it numerous times for charging batts, lights, phones and other things. I used to keep it in my every day bag back before battery banks became cheap and easy to get. If yours works even close to as good, you will love it. If I remember right, you can daisy chain them too!

[@yanstev]

To test power capacity, you have to put it in direct sunlight. Higher energy UV creates a lot more power per photon. Also, sunlight intensity is around 1 KW per square meter, way more intense than your 5 watt LED lamp.

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@bblod4896]

Those are great for hiking/camping to keep gear charged. You may have to test that outside on a bright sunny day. 65mw at 5 vdc is only 13ma. ☮️ brother.

[@PaulGrayUK]

So just enough to power the charge led on the power bank. 🥳 Yes, real sunshine test is needed.

[@bblod4896]

@@PaulGrayUK ROFLOL BRILLIANT

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@bblod4896]

@@learnelectronics I know you did. It was funny though.

[@eyefishinggunkchannel1011]

No way ime sat yhknking rite sm gonna buy thisile check this review i have solor small stuff and even iff i shine a bright torch on it they dont do much but u put em on a window with no sun it will work but ye 2 reach 20w10w excetra u need sun

[@onixotto]

You really need the Saharan desert for all of this to work properly.

[@leftcoastdrifter]

Thanks for the info. My wife just won this off Temu, and I was wondering if it was any good. Looks like it might be a nice tool to have after all.

[@neoroman0510]

Cool new wooden panel!

[@andrewwilson6240]

I have something like this It doesn't work with USB C PD. You can charge USB 2 power banks. If you do the area x 1kw /M2 x about 0.1 it is fairly ok in good sunlight.

[@shh9559]

I bought one and I have trying to charge my phone. But it doesn’t work

[@blazingtrailsrc396]

i should have paused the video cause i was thinking the whole time i bet it would work great for the outdoor power bank in the previous video lmao

[@muratb7291]

How many percent can it charge the phone in 1 hour?

[@harryshector]

It appeared that you had the white output monitor still connected to the panel when you were testing it with the load. So, the load imposed by the monitor was included in the total load, but the power used by the monitor was not included in the total dissipation. Judging by the size of the panels, I would say that might be useful for charging a phone, if you weren’t in a hurry, but not much more than that.

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@sisimons7998]

mucho junko ,, thanks

[@singlesteve2011]

if you can get some sunlight thouhg a window it might work better

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@jj74qformerlyjailbreak3]

I have one similar to that panual 😂 Mine says its rated 25w. I never got around to checkjng the accuracy, but its always charged anything i plugged into it. I dont use it enough though.

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@jj74qformerlyjailbreak3]

@@learnelectronics You are doing a great job. I'm glad you are showing us some items from TEMU. Seems like a great company

[@SgtGunny-gz5hg]

Ive got the same panel from Temu. I have to say its a waste of money and time. I plugged my s20 ultra into the port, with the panel outside in full sun and pointed directly at the sun. Yes it says the phone is charging, but it wasnt putting enough power into the phone to actually charge the battery. Thw phone continued to discharge. I tried it on an older iPhone. Same thing. Tried charging a torch and it wouldn't even register. For a product that they say is for charging small devices it doesnt even do that. Also my location is Australia so the sun is hot here.

[@RG-om5sn]

bought one, the temu page sais, it has built in 10000 battery. I dont think so...

[@robertwebb5586]

try using the USB-C Decoy Trigger board I sent you. see what you get out of it.

[@learnelectronics]

Its not a boost converter, it just switches voltages in the wall wart.

[@PaulGrayUK]

So with most power banks you could charge with this - how long for 5000ma power bank in real life, is it enough power to charge one and how many hours? Given you say 65mw that would be a solid 81 hours! Probably wrong on that and not even factoring powerbank led charge indicator and that's going to be 8-12mw usage just for that. But to charge a smaller battery to run a few led's later, it may do, but for size and panel space, something must be off. Maybe light spectrum and need real sunshine for this to, erm, shine!

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@ellerycadel]

Nope. Sorry, put it in the category of "you get what you pay for"!

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@brendantoughey3964]

Testing solar power from a light bulb. Ridiculous!!!!

[@codingfun63]

?? are you outside in the sun ? if not , this review is a total waste of time.

[@learnelectronics]

I'm inside. Its February in the great lakes. Noting but gray skies. I did the best I could!

[@damiangreen5940]

Where the sun