bad optima battery...any other negative experiences?

[Chris Thorp]

Mark R wrote:

>I also notice several charger manufactures and battery testers now
>have an AGM setting on thier units.  I've not done any research or
>have any experience with them.  I don't have time today to research,
>but I have been curious as to what the "AGM" settings accomplish.
>  
>
The AGM setting should alter the final float voltage and possibly the 
charging rate profile.

-Chris