How to find free LiPo batteries from the street and use them in projects
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- เผยแพร่เมื่อ 3 ส.ค. 2022
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Making projects requires having a lot of parts on hand and batteries are always high on the list of things to have for a maker.
There are many types of batteries, but recently lithium-based batteries are all the hype because of their energy density because they are relatively easy to charge and use and offer a good range of voltage for most electronics projects.
One great source of free batteries is these "smoke machines" that are unfortunately becoming quite popular. They are really bad for your health so please, do not use them but if you happen to find one thrown in the street or if you know someone that uses them, please collect them and salvage the batteries from inside.
A typical battery inside will have a capacity of around 400 to 500mAh which is great for small sensor-based applications.
Check out the video to learn how to open these devices and also how to add a charging and protection circuit to them so you can safely use them.
If you prefer reading you can find all the details for the project on its Instructable page:
www.instructables.com/How-to-...
Tools and materials used in the video:
3.7V 400mAh battery - s.click.aliexpress.com/e/_DFd...
TP4056 protection module - s.click.aliexpress.com/e/_DBn...
Soldering Rework Station - s.click.aliexpress.com/e/_onZ...
Assorted resistors - s.click.aliexpress.com/e/_Dkk...
SMD Resistors - s.click.aliexpress.com/e/_DBp...
Pliers - s.click.aliexpress.com/e/_DeC...
Tweezers - s.click.aliexpress.com/e/_DDg...
Wire snips - s.click.aliexpress.com/e/_DCf...
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How to find free LiPo batteries from the street and use them in projects
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Been collecting for ages now. I always keep them on a silicone mat in a metal tray for some weeks to make sure they are happy 'batteries' never want to meet an unhappy lithium ion battery 😅
I like the term "unhappy" :D I never had an issue with one so far. If any has any sort of damage I just discard it immediately.
Interestingly they are at least a bit stable...used one that was driven over...still good...after i left it alone and charged in an ceramic dish...yeah...rather test them or regnet it when your project gives of magic smoke...
I'm doing same thing with these sticks.. Great source for batteries.
For these modules, overdischarge protection is set to 2,5V.. 😉
Have you found a goto use for them? I got a few already but I haven't found a use that is exciting.
@@TasteTheCode Yeah, I find few useful ways to use them. By now, I'm replacing sanitizer vehicle remote NiMH 3S1P battery pack content with 1S3P LiION cells and including charging and protection module, because, these cells are for free.. 😂 Only I needed to charge and sort them by internal resistance and capacity to get close enough for using them as battery pack.
Great video man!
Thanks!
Very interesting, thanks for sharing.
You are welcome!
Nice, I've been on the lookout for these things and pick up any that I see on the streets.
If they are damaged, I recycle them responsibly.
If they are intact, I salvage the Li-Ion cell from them, and responsibly recycle the rest of the interior.
👍👍👍
I dont know where all of the makers of this content live, but i haven't seen a single vape pen in the "street" as literally every single video ive seen claims to happen. SO, ive had to take up vaping in order to acquire these batteries😅
Hahhaha well I guess it depends on the culture.
Yes for the resistor tip is safe to charge with lower current
But why you didn't keep the original built in charge module?
Thanks
These are disposable. They don't come with a charging module and yet they have a rechargeable battery.
@@TasteTheCode I salvage some disposable with usb c port are they rechargeable?
Thanks
@lenslens7379 yes, the usb port is for charging.
Nice project ;)
Thanks!
Yes, and the great added benefit is the USB charging circuit!
True that! 👍👍👍
Hej I live in sweden and would like to try this project out. Do you have a link to where they sell these little circuit boards that you show in this video please. How much are they also as i am on a tight budget. Thank you.
Yes, you can find the link in the video description.
God Bless the Swedes. Snus is love. ❤️
Data sheets are pretty much impossible to find for these cells. I even emailed Eve about some 16350’s I had with their name on it and they didn’t email me back.
My guess would be that these cells are NOT chemically designed for cycle life and their discharge rate probably isn’t any more than 3C at most.
I tested some 1450mAh cells (largest I found from these two flavour vapes) and past 3A I started to see signs that are classic indicators of a cell being pushed past its limits.
I haven’t tested many of the 650mAh cells I’ve pulled from Elf Bars but I would expect they are similar and wouldn’t pull any more than 1 or 2 amps. Testing the coil on the vape for its resistance would tell you exactly what the vape is pulling but keep in mind that’s typically a burst of less than 30 seconds.
Based on their small tab design I can’t imagine a simple way to series and parallel these for any significant load.
So for powerbanks doing 5V 2A….possibly safe. Powerbanks that so 20W or 22.5W of fast charging protocols are really pushing it even with several cells in parallel. Absolutely do not use these for 60W or 100W PD powerbanks. I tested my 1450mAh cells with a 65W PD board but it really sketched me out. My pack was 7S2P so essentially 7 2900mAh cells in series for 25.4V nominal. So right around 75wh
Here is a great pdf for the pressure sensor of the e-cig
belchip.by/sitedocs/44943.pdf
Wow, nice thanks for the info!
Do you think it'd be safe to put together multiple of these cells in parallel and then put the entire thing behind one of those charging boards?
That should be fine as long as it is the same battery with the same capacity. Also, the max output current should not be above 1A. Don't ask me how I know 😅😅
Dün bu bataryalar ile powerbank yapmak istemiwtim, bugun bu videoyu gordum, tp4056 r3 ditencine 10k potansiyometre kullandim, tesekkur ederim,
You are welcome!
Good to be able to charge a 3.7v 500mah polymer battery, and seeing that the tp4056 R3 has to be modified for a 4k R so that it drops from 1A to 300mah, is that true? Or would it not be necessary to make that modification? If I didn't make that modification, what could happen to the battery, thank you
By default, these modules will charge at 1A. For a 500mah battery that is too much and it might damage the battery or even set it on fire. The general rule is that the lower the charging current is, the safer you are.
thanks@@TasteTheCode
Hi, what resistor fuse size did you use to replace on the board, a 5k?
Yes, 5k, quater watt resistor.
@@TasteTheCode Thank you
is there enough power to cause fire? i dint think so. i have a huge scar from 12v battery on my hand, but i don't think this would do it.
If pierced than yes. This is a standard lithium ion battery and it is very capable of creating fires. That is why we need to limit the charging current. I'm wondering how you got the scar from 12v? That is low enough that you can touch it without feeling it unless you touch something hot from all the current of it.
3:15 Pretty sure that's air flow sensor, not the pressure one,
correct me if i'm wrong.
I'm not exactly sure how it works but I think it detects the air flow bu detecting a pressure difference where the air flows from area of higher pressure to an area of lower pressure. You need to have this difference to have air moving so in a nutshell it's the same thing. It doesn't measure pressure as such but pressure difference.
Maybe different vapes use different ones, atm i'm studying mechatronics, so i got into quite an argument with my teacher about these sensors :D.
Yeah it could be. In any case, arguments are good as long as you are both open to listen to the other person 😉
The second battery is prone to swelling, why? I have lots that i keep, but over the years the packaging expands and blows up like a balloon looks like it wants to explode...
A lithium battery will swell if it is damaged in some way so there is a gas expansion inside. I'm guessing this might happen either from overcharging or from discharging below a certain level if they are kept in storage for a long time. Check the voltage on the ones that have swollen, they are probably discharged down to 0 and not usable anymore.
how these vapes work there isnt a pressure sensor all it is ,is a tiny electret mic element and it picks the air sound and trips the atomiser element
It is actually a pressure switch that looks like a electret mic.
circuits are the same but we have better battery where i live. product seems to be identical from outside.
Yes, it makes sense to have different build quality in different countries where the legislation is different. Companies tend to do as little as possible to stay compliant with local laws so if they can cut corners somewhere, they will usually do so.
👏👏👏👏👏
the orange vape was an alt vape
No idea... I've never used one...
When I get 10k mAh worth of the same size/shape batteries I 3d print a case and make USB power banks out of these "disposable" vape batteries
Nice! I never get to gather that much capacity. I always end up using them in smaller batches.
I've never seen these things on the street or anywhere else, i guess people here don't throw them away or throw them away in the actual garbage bins, with the vapers being more environmentally conscious 😅
Well that is definately a nice problem to have as people are definitely not that conscious here :(