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 Bench top power supply
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olddawgsrule
Advanced Member


USA
1434 Posts

Posted - February 01 2012 :  13:32:47  Show Profile  Visit olddawgsrule's Homepage Send olddawgsrule a Private Message  Reply with Quote
I have a converted CPU power supply I use as a 'constant' power source to charge my batteries.

I latest lesson for me, is that I need to increase my voltage if I ever wish to get above (or even near) 12vdc when charging with this.

Seemed simple enough.
Wire up the next size voltage in series and jump up in voltage.
Figured I grab the 5v line, add it, now I'm working with 17v.

Cool!

Open her up and learn I have a common ground... or at least believe I do...

Any of you folks using a converted CPU power supply?
How the heck did you get past this common ground?

Major 'brain fart' happening here.. can't get past the 'smell'.




Old in age, not in mind, so
'Teach me something new'!

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USA
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msmjr
Average Member



USA
444 Posts

Posted - February 01 2012 :  21:58:54  Show Profile Send msmjr a Private Message  Reply with Quote
Hey Olddawgrule
Check out this thread
You must be logged in to see this link.
I followed this but the first 1 didnt work right the wire color code wasnt right.
You must be logged in to see this link.
the second power supply I used worked like a champ on 6v and 12v, the neg's didnt.
Sure -12v and +12v gives you 24v on your meter but it would shut off if you tried to use it that way.



He is wise who gains wisdom from another's mishaps.
—Plutius Syrus
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