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Cartridge Style Power Wall
#31
(01-29-2019, 11:55 AM)emuland-metroman Wrote: do you solder fuses to small pin? isn't that very hard? i'm trying spotwelding (with pain on settings)

Yes I soldered the fuses to the small pin on the holders then bent the pins straight up to make more room for the fuse legs. Then soldered to the fuses copper pipes. Soldering to the pipes is way more difficult to get enough heat transferred to them.
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#32
Everything is still happily motoring along. I finally got enough cells tested to install my top row in. That should add another 736wh. I may try a total system capacity test from 4.20v down to 3v just to see where its at post inversion. I run it up to 4.15v now and shutdown around 3.30v just to be easier on them now. I plugged in the grid charging cord last night in preparation for the next round of snow\ice, in case the power does go out and I can justify my investment lol! Other than my panels being covered in a foot of snow and more on the way today and tomorrow there is nothing further to report. 



XtronX, metalorn, DCkiwi And 1 others like this post
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#33
Hey, how is the project going, I am building something similar in the beginning it was supposed to be one cell for one place in the holder but you know how the appetite grows and I wonder if I should put 3 or even 6 like you, I only have a fear when it comes to safety what's up will happen, if one cell with others in this small cassette gets a short circuit, the fuse will probably work to cut off the access to the cassette but the remaining 5 cells will still be connected to the faulty one :/

have you had any problems with the system in the last year?

this one is mine Smile
https://secondlifestorage.com/showthread...156&page=2
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