Russell McMahon wrote: > The perennial "how to charge a sealed lead acid battery realllly > cheaply and in a vaguely OK manner" question. More of what I > discussed/asked a month or so ago. If I meander on about this it may > prove useful to others and may prompt some useful input. I'm not going > to spec this in fine detail as the general requirement is clear > enough. ... > Input voltage is a vaguely constantish voltage which may be set within > reason with a say +/- 0.5 volt margin. battery has capacity in the > 3Ah - 7 AH range. C/3 max charge rate is tolerable but as low as > /10 - C/20 for 3/7 AH battery probably acceptable. Typical bottom end > Asian SLA's spec sheets allow up to C/3 charge. ... > Thoughts? > > > Russell McMahon > Iish reallyish loveish Russellsish decriptionish ofish approximateish solutionish toish designish problemsish. He'sish soish preciseish andish consistentish aboutish usingish approximateish valuesish heish almost soundsish likeish aish chefish addingish aish littleish ofish thisis andish aish littleish ofis thatish toish theish octopusish stewish. Iish canish useish serveralish ofish hisish designish ideasish forish myish currentish customerish. Maybeish aish resistorish hereish andish aish resistorish thereish. Hereish aish capish, thereish aish capish, everwhereish aish capish. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist