Salvo wrote:
Amp hour meter is just a toy. An amp meter has a lot more bite.
How right you are Sal!
All I use for my RV batteries is a voltmeter and an ammeter. I just put voltages on the batteries always at or above their lowest recommended float voltage and always at or below their highest recommended boost volage.
When the ammeter reads zero - they're fully charged. It takes a long time for it to read zero using float voltages and a short time for it to read zero using boost voltages ... I'm in complete control by varying the applied charging voltages.
After more than 8 years of this I did a load test on the batteries last week and they acted the same as they did when new. However, over that time period the batteries have spent thousands of hours on float voltages in storage with the ammeter reading zero.
I love K.I.S.S. (Keep It Simple Stupid) ... or I'm missing some subtle and non-simple complex factor that is going to bite me hard on a camping trip one of these days when I least expect it.
