Re: QUESTIONS ANSWERED
From: Tim Auton (tim.auton_at_uton.[groupSexWithoutTheY)
Date: 07/04/04
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Date: Sun, 04 Jul 2004 17:53:41 +0100
Bill Jeffrey <wjeffrey@TAKE-THIS-OUTalum.mit.edu> wrote:
>Tim Auton wrote:
>> hhc314@yahoo.com (Harry Conover) wrote:
>> [snip]
>>
>>>My point was that a PC power suppy is designed to supply only minimal
>>>currents at 12-volts, certainly much less than you want want for a
>>>battery charger for 12-volt lead-acid batteries.
>>
>> Mine provides 26A. Hardly what I'd call minimal.
>
>26 amps at 12 volts? That is not your common garden variety PC power
>supply.
It's a decent quality one, but not very exceptional and not even the
biggest in the range. It's an Enermax EG365:
http://www.enermax.com.tw/products_page.php?Tid=1&gon=231&Gid=18&Gid2=22
Enermax do provide more current on the +12V line than many PSUs, but
you'd be hard pressed to find one that'll provide less than 10A, most
providing 15A+. The 350W no-name PSU in my other PC provides 16A.
A recent P4 burns the best part of 100W and gets that from the 12V
line (via a regulator of course) - that's 8A before you've even
installed a drive, and they are another 1-3A (spin-up) each.
>Not that it matters - this is still not a good way to charge batteries.
No, I can't argue with that :)
Tim
-- My last .sig was rubbish too.
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