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Old 08-28-2012, 12:56 PM
ctuna ctuna is offline
Officially Welcomed to the 'Fest
Location: usa
Join Date: Jan 2010
Posts: 3,765
Mein Auto: 325xi wagon
It tells you right on it.

green good
black inadequate charge or marginal battery
yellow bad
When mine was marginal I would get long cranks . I tried trikkle charging it but it wouldn't
hold a charge very long . Like from 12.4 to 11.8 volts overnight it had the black indicator.

Last edited by ctuna; 08-28-2012 at 01:00 PM.
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