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 - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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