Why I abuse batteries was: trojan battery cycle [RE-wrenches]

Jay Peltz, Peltz Power jay at asis.com
Thu Feb 14 13:33:08 PST 2008


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HI Travis,

Years ago ( this will date some folks) there was a company that had a  
unit that replaced a cap in one cell on one battery ( made by  
Photron) that sent its into to a unit called a Battery lite.

This device measured SG, and so yep its already been done, but sure  
would be helpful now.

Problem is you need an integrated system, which for battery based  
isn't done yet.

Think of all the grid tied systems that need some cycling.  This  
needs to be automatically taken care of and will be an important  
selling feature in future


jay

peltz power
On Feb 14, 2008, at 12:45 PM, Travis Creswell wrote:

>
> I assume we would all agree what Specific gravity is about the most  
> accurate
> to way to determine state of charge.
>
> So here is possibly dumb question that I've wondered about for years.
>
> Is there such a thing as digital specific gravity meter?  IE; a probe
> immersed in the electrolyte wired to a display.  There must not be  
> else our
> lives would be so much easier.  Right?  Because the next logical  
> step is
> that it would talk the the charge controller and in theory we  
> wouldn't have
> to bother with setting voltages and bulk charge times and so on.
>
> I can see a lot of technical reasons why such a devise doesn't  
> exist but if
> we send a man to moon surely we could build such a thing....   
> Couldn’t it be
> as easy as installing the float "thingy" that is in a standard  
> hydrometer
> with a sending unit?
>
> Travis Creswell
> Ozark Energy Services
>
>
>


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