Messages in this thread | | | Date | Mon, 22 May 2006 18:15:24 +0200 | From | Matthias Schniedermeyer <> | Subject | Re: [IDEA] Poor man's UPS |
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Christian Trefzer wrote: > On Mon, May 22, 2006 at 04:40:58PM +0100, Alan Cox wrote: > >>Lead acid batteries should be kept well charged to avoid sulphation and >>always full charged when recharging, preferably using a charger that >>will do proper three step charging. "Cycling" a lead acid battery is a >>great way to destroy it. >> > > > So it is better to use only one battery (or an array thereof) which is > sort of charged and discharged at the same time, or is this idea just as > screwed..? I don't have a degree in electronics, mind you : ) > > Might be easier to build something that keeps a battery well maintained > and switches in case of power outage. With large enough condensors to > bridge the gap, which would also iron out any peaks and stuff, this > should work pretty well.
You just described the working-principle of a "line-interarctive" UPS. AFAICT this is the most used UPS-type, at least for every "small" UPSes i've seen in the last few years.
Bis denn
-- Real Programmers consider "what you see is what you get" to be just as bad a concept in Text Editors as it is in women. No, the Real Programmer wants a "you asked for it, you got it" text editor -- complicated, cryptic, powerful, unforgiving, dangerous.
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