[Soekris] long-run DC UPS

[David]

Adam,

RS components sell a DC UPS power supply
http://rswww.com/cgi-bin/bv/rswww/searchBrowseAction.do?Nr=AND(avl%
3auk,searchDiscon_uk%3aN)&Ntx=mode%
20matchpartial&N=4294731574&in_dim_search=1&name=SiteStandard&forwardingPage=line&R=0591916&callingPage=/jsp/search/search.jsp&BV_SessionID=@@@@1169608373.1187160873@@@@&BV_EngineID=ccccaddljlhidjmcefeceeldgondhgj.0&cacheID=uknetscape 
 and if you feel really keen you could try basing it on this circuit
http://www.electronics-lab.com/projects/power/002/

David.

On Mon, 2007-08-13 at 19:38 -0400, Adam Jacob Muller wrote:
> Anyone have any experience with any off-the-shelf of home-built long- 
> run DC (I assume we don't want AC->DC->AC->DC here for long-run) UPS  
> system.
> 
> I'm looking for something that can run a simple 5501 (no HD or  
> anything hugely power-consuming -- perhaps an extra ethernet card),  
> but, I am looking for run time in the range of 24-48 hours.
> This is obviously far beyond what any conventional AC ups can  
> provide. Anyone know of such a beast?
> 
> 
> -Adam
> 
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