Some of this is fresh on mind since there's a battery issue I'm trying do deal with right now.
I've got a small diesel 4WD motorhome. Two FLA 12 volt starting batteries (in parallel), and two FLA 6 volt deep-cycle batteries (in series). All get charged by the single engine-driven Delco 12SI alternator. My problem is - Delco alternator does not charge at a high-enough voltage so the two deep-cycle batteries ever get past 90% full. And, if I stick in a higher voltage regulator, it will be a bit too much for standard starting batteries. Standard Delco USA reg is set at 13.8 volts. European is higher. The deep cycle batteries need a 14.2 volt regulator to get fully charged. Thus the problem.
Big boats typically have the same problem and they use a "battery to battery" charger. It allows one alternator to charge two separate sets of batteries at two different voltages. Just what I need, but way too expensive. Good example of where just a few tenths of a volt makes a difference.
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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