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hi


You are replying to:
Shep
Posted 3/28/2012 2:22 PM (#549121 - in reply to #549059)
Subject: RE: Galvanix Batt Cat 3 Onboard Charger?





Posts: 5874


Most accurate way is to measure the specific garvity with a Hydrometer. Fully charged is 1.265. Notice open circuit voltage of a fully charged battery is 12.6

You can measure the open circuit voltagewhen the engine is off and no loads are connected. It can be approximately related to the charge of the battery by:

12.60 V 100% 1.265 g/cm3
12.35 V 75% 1.225 g/cm3
12.10 V 50% 1.190 g/cm3
11.95 V 25% 1.155 g/cm3
11.70 V DEAD

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