Switchflicker, The best way to explain this is that your main starting battery was probably up to a fuller state of charge, so it would read a higher voltage. The auxiliary battery, if in a low state of charge requires more amperage from the alternator to bring it up to full charge. Until it gets to that point, the voltage on it will show slightly lower. As it charges up, they will equalize. Also, charging a battery for say and hour does not mean it is fully charged. The longer a battery stays at a lower state of charge, the longer it will take to bring it up to full state of charge. It will require more amperage from the charging system to bring it to full charge. Don't assume that the auxiliary battery is fully charged after say even a four hour drive after being drawn down. Especially if it is left in a low state of charge for a while, that battery should be put on a charger.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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