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Old 30-08-2010, 11:41   #1
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Join Date: May 2010
Location: Glen Allen, VA
Boat: Ericson 25
Posts: 10
Assessing the Condition of My Batteries
I have two deep cycle 12 volt batteries and I've been taking readings of their voltages with my voltmeter. To determine how well charged they are I heard that I need to determine the "fully charged rest voltage" of my batteries. Does anyone know how I find that out? I assumed it would be 12.00 volts, but since many of my readings are over 12, perhaps it's higher?? Is it the same for all 12 volt batteries? Or does it vary by make/model? I don't see it on the spec sheet for my battery.

Any advice would be appreciated
George
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