Duane Brantley said:

> This 'boiling', is it good, bad, or indifferent?  What does it mean?

Boiling is a good thing. You don't need to do it all the time. It does use
up water, so you should pay attention to the level. Don't add water to a
discharged battery, otherwise you will probably add too much(water level
changes with state of charge).

If you don't like boiling, you can stop charging at 14.4 volts and start
again when it falls below 13.9, and repeat until the duty cycle gets
minimal.

Cheers,

Bob

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