Thread: Battery charge
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Old 12-21-2009, 07:56 PM   #12
Mike_Yi
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Join Date: Mar 2008
Location: near Chicago
Posts: 523
BTW, if you have a BatteriesPlus in your area, they have a deal right now on batteries for a 986 for 69.99 ($10 off and $10 mail rebate).

They told me they'd load check it, but they did the same check that Autozone did except in the car. They told me that the batt was only about 35% charged. I charged it on Friday, drove it to work on Saturday, and back home today, and it's down that far. He tested the Alternator and the voltage regulator is good, but the alternator is only producing 30amps. I don't know how much it is supposed to put out, but most alternators put out 45 or 60amps in my experience.

However, I just checked the Bentley manual and it looks like there are a couple of tests I can do to check the battery myself (specific gravity).

I also discovered that my car is missing the battery hold-down(s).
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