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Arduino Nano 4x 18650 Smart Charger / Discharger - Battery Tester
#1
Hey all,

This is the latest version (as of now) of my Open Source Arduino powered 18650 battery tester.

I have written an Instructables on how to build and test it with many youTube videos as well. 

This version is much cheaper and easier to build compaired to my previous 8x Arduino Mega version. It does not have the barcode scanner attached to the hardware this time. Instead you can input them through the Battery Portal.

Let me know what you think?

Cheers,
Brett

Geek, HikingGuy42, Korishan And 4 others like this post
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#2
So much soldering. Have you looked into getting them completely built? What's the total BOM? I didn't see that mentioned on your site or Instructables.
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#3
This is amazing work. You are doing everything I wanted to do, and then way more.

I just wanted a barcode scanner that links to the cell database and keeps track or my discharge values and a few other things. This is so much more than I can wrap my head around that I don't even know if I can handle my simplier project. Ill keep watching your videos for inspiration though. 

Keep it up!
brettwatty likes this post
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#4
Very cool project
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#5
Very detailed & great job there :-)

(04-08-2019, 06:31 PM)friedpenguin Wrote: So much soldering. Have you looked into getting them completely built? What's the total BOM? I didn't see that mentioned on your site or Instructables.

Parts list seems to be there at the bottom of the instructable?
brettwatty likes this post
Running off solar, DIY & electronics fan :-)
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#6
Amazing work!
brettwatty likes this post
Mobilis in Mobili

Cell count as of 7/19/2019
54 Cells >2000mAh, >80% Rem. Cap., 14 day resting voltage >2.12V
100 Cells of Everything Else

Aiming for 2400 tested cells a year with one charger
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