Is there a way to tell about the auxilliary battery condition in a VW (or any rig, for that matter)? I've been working with all kinds of batteries over the years and I always have been puzzled about how to find out what I might expect from the battery. I have a digital multimeter and I get voltage readings but I'm told that is no real indicator of how good the battery is charged or is capabale of being charged... Is there an instrument that I could wire into my systems (I have a few different vehicles with multiple battery systems) where I might get an actual meaningful readout that would tell me..."Hey, don't expect much more from this battery till you charge it more" or "this battery is shot" or "all your batteries are in fine shape with 100% charge"? I have seen battery condition indicator gauges in yachts..I've seen voltage indicators on some rigs. My travel trailer has an LED readout and for that matter, so does my semi-westie van...but those things seem pretty much a joke... What should I wire into my systems to give me a better handle on how much juice I have in the batteries? Is there anything that works..or do I just have to keep guesstimating as I have been doing all these years? Thanks, Don Hanson |
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