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My DIY powerwall
#1
Before building a big PW, I wanted to have a POC (proof of concept) and something I could finish in a timely manner.
It's a 3s60p config with my B-cells (1700-1900)
Goal is to power my xdsl box and mobile devices. The xDSL modem uses 12wh.
The case is an old ATX modding case I used long time ago when I and LAN parties where hot  Tongue
 
Case is charged with a 100w panel, if it drops to 10.5V I can add a power supply too.
Three buttonsin front. Red, general pwr on/off, orange to activate USB chargers, green to activate green charging.

There's over and undervoltage protection. cutoff @ 10V.

Just another 180 cells I can add to the cell counter......

If you have questions, don't hesitate.

DonaldBitterman, jdeadman, Korishan And 1 others like this post
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#2
Man, that looks great! A great way to reuse old worn out parts. Referring to the computer case and what not Tongue

Actually, with a bit more work, you could really make the case a bit more steam punkish, or very futuristic.
Franky Beuselinck likes this post
Proceed with caution. Knowledge is Power! Literally! Cool 
Knowledge is Power; Absolute Knowledge is Absolutely Shocking!
Certified 18650 Cell Reclamation Technician

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#3
(01-28-2018, 08:41 PM)Korishan Wrote: Man, that looks great!  A great way to reuse old worn out parts. Referring to the computer case and what not  Tongue

Actually, with a bit more work, you could really make the case a bit more steam punkish, or very futuristic.

Thanks for the flowers Korishan.

The case is re-use, cells from so called death battery packs.
All other electronics components come from aliexpress.


Frank
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