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Homemade Camping Solar Charging for Phone / Tablet

Homemade Camping Solar Charging for Phone / Tablet

With each spring day, the sun rises higher and higher. For me, this means longer trips. After all, when it is warm outside, then you want to spend time in nature more than in winter. Of course, I take my phone with me on a camping trip. So the world legislators of technical progress have taught us that modern man cannot do without his beloved device. And it’s convenient because, for example, useful applications for tourists are installed on my phone. Here you can see the map, and your location, the tracker draws your way, and if you get a little messy, you can always find a way back. There is also a directory of mushrooms, berries, herbs. As you can see, everyone finds something useful for himself on the phone. But the trouble is, the battery in the phone is not eternal and sooner or later it will sit down. Creative Chinese have come up with a number of additional devices to back up the phone on the go. They can safely include all kinds of power banks (power bank :)) and solar charging. I have a small power bank (but it is also not eternal) and I did not have enough solar charge. The thing is good, necessary and useful to a greater extent to travelers and tourists. Scrolling through alishka, I found a good option for a tourist.

Parameters of solar charging.

Check the reality of Chinay goods is not possible. I found only one review where a person wrote the parameters of this solar charge.

They have such a sin, to overestimate the parameters. Especially with lithium-ion batteries.
In principle, this option is normal, but the fucking limit of 22 euros per month introduced in Belarus crosses out the opportunity to buy a thing more expensive. Yes, and petty goods hung on me.

After looking through a bit of alishka, I find ordinary solar panels (link to the panel) at an affordable price.
Here are the parameters of 1pc.

I figured the data and ordered 10pcs.

According to reviews, people are satisfied. One unsubscribed even that the phone charges from one socket. Just did not write how much time :). At the time of purchase, the store had a discount of 1 bucks for a purchase above 10 bucks. I got 10.8 and minus 1, it turned out 9.8. Well, wait.

So, there are sockets, but I need 5 volts to charge. At first I thought in my head thinking to do charging on a DC-DC converter. I remember when I dabbled and made such a converter into a car. But there seemed to be a maximum current of 500 mA. I continue to search and stumble upon such a DC-DC converter.Praise the store, there is EVERYTHING !!!!

The price tag is acceptable, I order !!!
Device Parameters

According to reviews, a good thing and people are happy. Even if the converter gives 1 And then I have enough with my head.
As a result, for all the sunny happiness, I give 12 bucks. It should be borne in mind that I ordered before the law of forced tracking of the parcel was introduced, that is, I did not pay for delivery.

I decided on the excess, it remains to wait for the goods and proceed to manufacture.

List of materials needed in this homemade:
Solar panels
DC-DC stabilized converter (5V output)
Case Material
Transparencies
Glue 88
Ability to cut and sew on a typewriter
Connecting wires
Break button
Heat shrink
Glue snot
Tape for "ears" (mount on a backpack)
Velcro

Here is the socket!

I check the sizes, and suddenly the seller deceived :)


That's right to decency :)

I did not measure the thickness with a barbell, only by eye.

Strange ....... but the panels were a little different, in the sense of the picture.

The panels themselves should be described a little. The solar system is glued to plastic. The “face” of the panel is protected by a film; it can be easily peeled off. On the back of the track and nickel for soldering wires. Ordered 10 pcs. but got 11pcs, from this I was not very upset :)

The reverse side of the solar panel :)

Upon arrival of the solar panels, I checked them for performance. He brought them to the light and tester them :) It was evening, but surprisingly the panels showed 3V. The next day I examined in more detail all the solar panels and discovered a couple of non-essential jambs.

One had an oxidized contact.


And the second was smeared with resin, similar to rosin.

Here, most likely that the seller put 11 solar panels. So that I would look and not start up an argument that nobody needed. The oxidized contact was easily cleaned with alcohol, but I did not even touch the rosin resin, it will work with it :)

Well, with more quality, the panels are pulled to a strong 4.

A couple of days after receiving the solar panels, I pick up another small packet from China at the post office. The contents of the package are joyfully surprising; my converter came. The fact is that the Chinese do not bother to track such a trifle. I was surprised because the converter simultaneously came along with the solar panels. Looks like sellers were familiar :)

Everything is neatly packed.

The converter consists of a plastic case, four screws and the board itself.

The board itself.

A circuit is connected on the opposite side of the yusbi connector.

Plus marked. The site says that any voltage up to 18 volts can be applied to the circuit.

Now I need to sew some kind of “house” for my solar panels. I will say right away that it was the hardest for me. I bought the material for the "house" in the store, did not give it expensive, I do not remember exactly how much. I bought a thick waterproof raincoat fabric. The fabric looks a bit like a bonfire tent, only denser.

The size of the piece.

53 cm.

150 cm. The fabric is folded in half.
I’ll run ahead and say that this piece is enough, it even remains.

I don’t know how to sew on a typewriter, I just cut and said what and where. Believe me, this is also not just like that, you need to figure out where the pockets are and how best to make charging work smoothly. In order for our panels to catch sunlight, we still need to make transparent pockets. A suitable transparent film can be taken from a package of pastel linen or auto covers, this is such a bag in which, on the one hand, the usual material, and on the other a transparent film, so that people would see the color of bedding / covers for cars when buying. I hope I clearly explained. Unfortunately, I did not take this picture.

We sewed in two stages, first a cover for solar panels, and then pockets for a phone / tablet.

Here is the first part.

I just folded two pieces of fabric and divided the pockets for the solar panels. In the middle I left a gap of material for convenient folding of the solar battery :) I put a transparent film under each side, then I just gently cut out the rectangles for sunlight. In order that the panels would not fall out of the pockets, I used Velcro.

And here is the second sewn part.

On the sides were sewn "ears" for mounting on a backpack. As you can see, I have already cut out one “rectangle of light” for the solar panel.When mounted on a backpack, the pocket is thrown back. A tablet, a phone and my small power bank are boldly included there.

Dimensions of the solar battery. 70cm long


Width 39 cm


Well, here I cut out all the "rectangles of light" for my solar panels.

Since pockets for panels were sewn with a small margin, the material lags behind a transparent film. This is easier to understand in the photo than to explain.

Using 88 glue, I can easily solve this small difficulty.

Good glue, constantly gluing shoes to them, very elastic.
The glued material was dried for a day.

Now I proceed to the most beloved, this is soldering :)

I connect all the panels in parallel. Panel 9 volts.
Since this is a camp charge, for reliability, I pour glue on the snot with all the contacts.


I decided to connect the solar panels through a switch. Such a switch is in flashlights, it is small and convenient.

What would be hermetic, I use heat shrink

I tear the plus and neatly solder everything and "sit down".

Also FOLLOWING POLARITY I solder wires to my converter to the input of the circuit.
To charge modern mobile devices, we need a yusbi cord.

Everything is assembled and it is time to proceed to the tests.

Unfortunately, the first time I didn’t succeed, it was February, and the sky was completely in dark gloomy clouds. At first I was upset, but then sensible logic gave way to disappointment, the panels are solar, why do you want in such a darkness. Taking the tester in my hands, I measured the output from the solar battery ... ... 4.5 volts, what else can I talk about.

After waiting a couple of days, I still caught a little sun. I connect the charging and oplya ....... .. everything works !!!!!!


Got it, ohhhhh, I jump and rejoice like a child around a table with a solar charge.
I'm testing my old lady nokia

And it is charging.
I took a picture of the sky at that moment, so that you could understand under what sky / sun it began to charge.

It became interesting to me, and I measured the output of the solar panel with a tester, it was approximately 7.5 volts. Well, not bad, I think that in sunny weather my solar battery will go out to its charging mode.

If you believe the seller, then on a sunny bright day out of 10 panels I should get 5.5 watts and a current of 600 mA, I hope so.

Conclusion:
In principle, as an alternative to Chinese solar charging (given by me above), my can be considered. In the pluses to mine, you can add a low price tag and manual manufacturing. Well, see for yourself, if you're interested, then do it; if not, buy.

All success in creative work !!!
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20 comments
Author
Quote: Ivan_Pokhmelev
Who would doubt ... In the zone of resettlement of individual spots, also in bulk, especially outside the settlements, which somehow cleaned up and checked.


I completely agree with you, the main thing is not to get into the speck! yes
Quote: alexgameplay
Bell household dosimeter and DP-5V.
DP-5 is heavy and rude, and Bella is just that.
Quote: alexgameplay
The resettlement zone and the exclusion zone are different territories.
Who would doubt ... In the zone of resettlement of individual spots, also in bulk, especially outside the settlements, which somehow cleaned up and checked.
Author
Quote: Ivan_Pokhmelev
Quote: alexgameplay
abandoned objects, resettlement zone,
I hope some, if not a meter, then at least take the radiation indicator with you?


Oh sure! I have an ordinary Bell household dosimeter and DP-5V.
In everything I use my simple and beloved saying "Everything is good in moderation" !!! The resettlement zone and the exclusion zone are different territories. Alienation-in the immediate vicinity of Chernobyl, Resettlement-distant affected areas. It happens in the resettlement zone and people live. A pass is needed there, but they give it without any problems. It seems that the adult is already family, and events of this kind
(wrote above) always attract. Human nature is a strange thing.

If interested in this topic then read:

Not far from me.
http://newsgomel.by/news/vesna-i-radiaciya-reportazh-iz-zony-otseleniya

It will be far away.

http://meridian28.com/report/zona.html

Here the photos are good, a lot, the photographer did a good job, but 100% are photoshopped.
Author
Quote: Valery
Gomel region?


Yes that's right!!!!
Gomel region?
Quote: alexgameplay
abandoned objects, resettlement zone,
I hope some, if not a meter, then at least take the radiation indicator with you?
Author
Quote: To Delusam
yes Looking for a treasure? A familiar topic.


Yes, and who does not want to find him secret MD and pin are expensive, to start repeating the pirate and baby fm2. Schemes found by the way here on the site. For a pirate, I shook a flat basket (sensor), it turned out pretty well, the sensitivity is good. good
Well and the rest, of course, is also interesting: abandoned objects, resettlement zone, hiking, great, stars, photography, homemade !!!! Everything is interesting !!!!! goodgood
yes Looking for a treasure? A familiar topic.
Author
I found a small review on Ali in these panels.

Finally, the cloudy days were over, there was an opportunity to check the panel in the autumn sun. With an illuminance of 90,000 Lux, the panel produces 10.5 volts at 75 mA
Author
Quote: To Delusam
Quote: alexgameplay
Thanks for the idea, we need to urgently finalize !!!

I gave you an idea, cited lamps as an example. Charge the backup battery, I did not write, as if not to scare ...))))
Quote: alexgameplay
If you actively use, then my day will sit down

So you go camping, not at work. Why ring? ...)))


In the campaign I actively use a GPS tracker that draws the distance traveled, the compass is a compass and the tracker will not hurt. GPS eats normally akb, and if you turn on the Internet, then your appetite increases. I use for navigation: Wikimapia-program showing old / abandoned objects and much more that is not on ordinary maps, can set up layers but need internet.
Androzic-program for working on raster maps, to view the modern map and compare with the old one you need the Internet.

As you can see, there is still something to consume energy in the phone. I call very rarely.
Author
Quote: alexgameplay
Thanks for the idea, we need to urgently finalize !!!

I gave you an idea, cited lamps as an example. Charge the backup battery, I did not write, as if not to scare ...))))
Quote: alexgameplay
If you actively use, then my day will sit down

So you go camping, not at work. Why ring? ...)))
Normally done ....
P.S. But there are no links ...
I meant that when the phone is charged, but the sun is shining, so that this time does not disappear in vain - charge the power bank.
Author
Quote: Ivan_Pokhmelev
It would be logical to charge a power bank from this battery, and then feed everything else from it.


Charging is, this is the most important thing.
Do you mean that walking or cycling can damage the phone? Based on this, it’s better to first recharge the power bank, and then in the safe pocket the phone from the power bank? If so, then it is very interesting, I did not think about it.
Author
If anyone is interested, then I will weigh the charger. yes
Author
Quote: To Delusam
That would make sense to take this charge on a hike (as you write), then the hike time exceeds the discharge time of the phone. And for this, most likely you will have other devices, for example a flashlight or a lamp, which can also "sit down".
My suggestion is to fit it all in a kit for this panel. It’s stupid to drag the panel so that it works 2-3 hours every three days.



Each phone differently "eats" the battery. 2-3 hours every 3 days, it is unlikely. If you actively use, then my day will sit down. Is it just that the old Nokia will pull for three days. But flashlights charging is a good idea. I have flashlights where lithium batteries 14500 18650 are used. And there are a couple of chargers on one battery from the network (usually the Chinese send this as a gift when buying a flashlight or battery). It remains to throw out the charge card from 220 to Nafik and attach micro usb, and the charging is ready. Thanks for the idea, we need to urgently finalize !!! good
It would be logical to charge a power bank from this battery, and then feed everything else from it.
That would make sense to take this charge on a hike (as you write), then the hike time exceeds the discharge time of the phone. And for this, most likely you will have other devices, for example a flashlight or a lamp, which can also "sit down".
My suggestion is to fit it all in a kit for this panel. It’s stupid to drag the panel so that it works for 2-3 hours every three days.
Author
I forgot to indicate the dimensions when folded.
It is long 19 cm, width 12 cm, thickness 6 cm.

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