Hi Bob
I believe you're over thinking the whole project. If I was you, I would purchase 10 Sanyo NIMH batteries and build my own pack from the scratch. 10 cells will give you 12v nominal, about 14v maximum with full charge and you should be good to go without any electronics in between to replace 12v battery. Any good hobby shop should have all the necessary material, like tabs and solder etc. People who build Remote Control electric model airplanes and cars, pull up to 40 amps or more from those packs and they should last at least couple years.
"Robert J. Wilson" <bwilson4web@
--- In Prius_Technical_
<patwong3@..
However, Doug had suggested use of two modules as a 12 VDC battery
replacement with a significant reduction in weight. Now there is a
problem that at peak charge, each module is at ~8.6 VDC. A pair of
them at full charge would be at ~17.2 VDC where as the nominal 12 VDC
supply runs closer to 13.75 VDC. There is a 4.5 VDC difference so it
remains an interesting problem.
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