Hey good Neighbor, fun post....... You state as follows....
'So voltage doesn't always tell you to condition of a battery, especially if you just charged it.' YES YOU'RE EXACTLY RIGHT
GOOD QUESTION George, the answer is NOOOOOOOOO (but you already knew that Im sure) FYI A battery experiences voltage RISE under charge but voltage SAG under a load....... Voltage alone can provide a somewhat fairly accurate, albeit not perfect, indication of its State of Charge (SOC) BUT ONLY ONCE ITS AT REST AND STABILIZED. Here's a chart I found but I cant guarantee its accuracy
In my battery testing arsenal I have a Voltmeter,,,,,,,,,,,Hydrometer (for wet FLA),,,,,,,,,,Load Tester. Using the combination OF ALL THREE one can arrive at a decent 'approximation' of the state of a battery.
I agree with you VOLTAGE ALONE DOES NOTTTTTTTTTTTTT tell the whole story but it needs to be AT REST AND STABILIZED for darn sure !!!!
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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