If after you charge a battery and see low voltage, then read on.
Dead cells in batteries cause the voltage to drop by about 1.5 volts for
each dead cell. That's pretty easy to spot with a voltmeter.
And no amount of charging will revive a dead cell since it's shorted
out.
If you were to run a battery down by leaving lights on, etc, it's
voltage can be well below 10. But it's low because of the drain. Try
recharge and then check voltage. A nice hot, charged battery will be
well over 12.0 right off the charger and no load.
Richard
-----Original Message-----
From: mgb-v8-bounces+richard.morris=cox.net@autox.team.net
[mailto:mgb-v8-bounces+richard.morris=cox.net@autox.team.net] On Behalf
Of Ron Shellenberger
Sent: Saturday, September 20, 2008 7:08 AM
To: Mgb-v8@autox.team.net
Subject: [Mgb-v8] Alternator question
Jim,
Are you saying if a battery voltage is below 10 volts, then it is shot
and
trying to charge it will not help. I have several cars that don't get
driven
alot, so I am looking for an easy way to diagnose battery and starting
problems.
Ron Shellenberger
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