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

[Drake Chamberlin]

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Allan,

The bubbles are very useful yes, but while there are bubbles in the 
electrolyte, the weight of the fluid is less due, to the gas in the 
water.  I wait until batteries have gassed out before taking SG measurements.

It might be hard to use specific gravity to regulate the state of 
charge, since bubbles would be present during the reading.  Maybe a 
correction factor could be applied, but the amount of gas in the 
liquid would vary depending on the rate of the charge.

Drake

At 09:46 AM 2/15/2008, you wrote:

>Drake,
>I have long understood that the bubbles created by the gassing action during
>charging stirs up and destratifies the electrolyte. Is that what you're
>referring to?
>Allan at PosE
>
>----- Original Message -----
>From: "Drake Chamberlin" <Drake.Chamberlin at redwoodalliance.org>
> >
> > It seems that the specific gravity is affected by bubbles in the
> > electrolyte during charge.  I've heard this from others, and it
> > appears to be true from my observation.   Does anyone have any data
> > on this effect?
> >
>
>
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