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Old 4th February 2004, 03:25 PM   #111
Previously: Kuei Yang Wang
Join Date: Nov 2002

Originally posted by protos
I am currently using 4 batteries per channel and one charger per two batteries in series.This seems to work well if the batteries are always charging and discharging equally.
I had this running with three batteries per string (with power zenner clamp as well) and after about a year and a halve things where sufficiently all over the place to cause the stacks to go flat early. I changed over to seperate chargers per batteries and new bateries, last I heard was still going well strong > 2Years after that.

Originally posted by protos
Your scheme/plan is interesting but of course will need a lot of work , part count etc.
Hence I don't do it myself.

Originally posted by protos
Why can't they make some high voltage batteries for a change ?
For the same reasons it is difficult to make a suitable stack. Each SLA Cell only has 2V. A 100V SLA Battery would have 100 Cells and all in series, with invariably differentail aging.... No doubt the problems can be controlled, but all that costs research and production investment and all that for a few 100 Crazy Audiophiles. Not bloody likely....

Now if one of us could find a military application neccesitating 100V or 50V rechargable batteries with high reliability we might get them as surplus in a few years or tens of years.... ;-)

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