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My adventures
#1
Hello all


This evening I finished my charging and discharching board for 18650 cells.

I can now charge 16 cells at once and discharge 4 cells at once. Tomorrow I'll post a picture of the setup I made.

I used tp4056 circuits and cell holders for the charging bit.

The discharger is a chinese opus knock off, but it's doing it's job.

As a power supply I'm using a recycled pc power supply I recycled from an old PC I had lying around and didn't throw away (you never know you can use it I always say to the misses) To convert it I used the good old youtube to learn it Smile

As my first adventure I'm going to build a portable power pack to charge my drone lipo's on the field. All accessories for the build have been ordered in china and are starting to come in. 

The final goal is to get my house off grid. It'll be a very very long road, but I'll try and keep you posted.

Regards,

Ivo
wim likes this post
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#2
Nice, it really doesn't matter what discharger you use just as long as it's consistent. have fun processing
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#3
Are you from Belgium... the name sounds like you are...
I'm from Ghent.
Ivo Staelens likes this post
I'm in the process of building 14 packs of 80 cells for my future Powerwall. 
In the meantime, I make some videos about the build and the devices I use.

If you want to see them on YouTube, click on Sailing And Electronics
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#4
(09-21-2017, 06:29 PM)Abarth595 Wrote: Are you from Belgium... the name sounds like you are...
I'm from Ghent.

Yes I am, I'm from Izegem. Good to know there's another enthousiast "close" by

Regards,

Ivo
Abarth595 likes this post
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#5
Always good to start with something rather simple on a long journey. A pack for your lipos will do the job!

Chinese knockoff off an Opus sounds dubious though given the "quality" of the original Smile
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#6
As promised a picture of my cell processor.

It isn't a work of art, but it does the job.
Korishan, rodagaster, shonalex like this post
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#7
looks great. Does not have to be fancy. Mine is just 12awg wire through holes in a piece of wood for cell holders
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#8
Only 1 problem I see with that picture. There are no cells in those thar holders! Tongue

Looks pretty clean. At first I didn't notice the redone wires coming out of the psu. Then noticed there were only 2 colors. And then was like, NICE! But a little heavy for each TP, eh? Wink Afterall, each one will only pull 1A max. So you could of doubled or trippled the wire count by going with 18 awg and you'd have more chargers available to you. But, that's just my view point. I'm sure you had a reasoning for yours Smile

Nice progress, though. I gotta get my capacity testers done so I can start getting some mAH ratings for mine.
shonalex likes this post
Proceed with caution. Knowledge is Power! Literally! Cool 
Knowledge is Power; Absolute Knowledge is Absolutely Shocking!
Dollar Shave Club. Best Razor I've ever used
Certified 18650 Cell Reclamation Technician
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#9
It think it's completely fine Smile

Just a hint, not only for you but for everybody doing this:
You have to watch out when using ATX PSUs to power TP4056s. If it is a modern one it won't have much power on its 5V rail. If it is an older one it will, but probably won't like asynchronous loads. Some might even not work at all without some load on other rails. And if it is a shitty one it doesn't matter how old it is, watch out Smile
shonalex likes this post
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#10
True. So far I haven't had an issue with 12V loads on modern psu's. The 5V rail I use on my other psu seems to be just fine as well, although, it is about 10yrs old. The former is about 1yr old and works fine. Though, I do use a psu tester to turn it on, so that might account for the load req'd to keep it running. Hrmm, I might wanna check that out as some point *ponders*
rodagaster likes this post
Proceed with caution. Knowledge is Power! Literally! Cool 
Knowledge is Power; Absolute Knowledge is Absolutely Shocking!
Dollar Shave Club. Best Razor I've ever used
Certified 18650 Cell Reclamation Technician
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