Re: O.T.-----battery voltage control

Posted by RAB on July 11, 2007 at 06:40:08 from (195.93.21.42):

In Reply to: Re: O.T.-----battery voltage control posted by HENRY E NC on July 11, 2007 at 05:44:53:

Henri,
Just not true - unless you mean when the battery is dead, that's the end of it's life!
You can, of course, buy the normal flooded plate battery or the absorbed gel mat electrolyte type or the gel electrolyte type. They are all available. Add to that the choice of automotive, leisure, traction, stand-by and deep discharge (in marine and normal format) and you have a wide range of choice. If cost matters the cost efficient ones for that duty are purchased or often the cheapest.
If cranking amps are most important you have the choices of a small(?) lead (plus other metals) sponge plate battery or a very much larger battery if it is a deep discharge type with solid pure lead plates, and others in between those extremes.

The newer technology is certainly there. It just doesn't necessarily fit with practicality. Like charging rates are restricted, discharge rates are more tightly controlled for long life. Cycle efficiency (how much energy you have to put in for a given amount taken out) may be different.
Perhaps everyone should be buying the Optima batteries but I doubt they will - just because of the price (they do automotive and deep discharge varieties) and life expectancy is not for the purchaser's lifetime. I, for one, look at the specifications and I have yet to see an ideal battery for any high power situation. 'Ideal' meaning it will fit all the required citeria and last indefinitely. It is all a compromise.

AND it doesn't make one jot of difference to the poster's question. The cell voltage is determined by the chemical reactions in the cell.
BTW, I don't think Bob is missing the boat either.
RAB

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