Re: [ihc] Hofs and his charging

[John Hofstetter <hofs@xxxxxxxxxxxx>]

On Jul 21, 2004, at 1:11 PM, Joel M Brodsky wrote:

> Hofs,
>       It was my impression that Optima, Odyssey and other AGM (Absorbed
> Glass Mat batteries) as well as true gel-cell batteries are not 
> supposed to
> be 'overcharged' or charged to a point where the might boil so that 
> they do
> not damage the internals.  A wet cell lead acid battery can usually 
> accept
> an overcharging because the water/acid mix serves to act as a heat 
> sink on
> so much of the surface, but the AGM and Gel batteries can't move the 
> fluid
> fast enough to cool the spot internally where they start to boil.  So, 
> lead
> acids, overcharging is okay, but AGM and Gel, not okay?
>
> JoelB
Joel,

I guess you got a charge out of this discussion.

I'm nearly positive that you are correct, and I asked the Odyssey 
question facetiously. Odyssey calls their battery a "Dry Cell". Is it 
an AGM battery,  and I don't ask this question facetiously?

Maybe I better go look.


John Hofstetter
Ol' Saline
www.goldrush.com/~hofs