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Scott Douglas Scott Douglas is offline
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Join Date: Jul 2002
Location: Orange County
Posts: 7,571
Garage
Battery problems from non-use

I haven't been driving my car much for the last 4 months. Got hit with some severe vertigo mid-January and I'm finally getting back into things now.
Started my car up twice during that period of time. First time took it out for a short drive but long enough to warm it up good. It started fine on initial start up and any starts I made during that trip. I think I went to the beach so may have started/stopped a couple of times to take pictures.
A week and a half ago I started it but only moved it out of the garage to let it warm up, then back into the garage.
Yesterday I went to go get some things at Goodwill (I won an auction for a train set ) and it wouldn't do anything except show me a few, not all, of the dash lights. Took the wife's car to get the train and came home to start investigating the problem.
Battery measured 6.6V on my trusty VOM. Not good.
I disconnected the positive cable and hooked up my battery charger. It's an old model that turns on when you plug it in. I switched it to the 2 amp setting before plugging it in.
The meter didn't even move when I plugged it in. Switched it to the 8 amp setting and it started out showing less than 4 amps and slowly over the course of the morning/early afternoon showed 6.5 amps. Left it hooked up all day (9:30-4pm) and disconnected it over night. Battery was showing less than 12v when the charger was plugged in and charging at @11am. It finally showed 12.3v at @2pm.
When I disconnected everything at 4:30pm it showed 12.6v.
This morning after sitting overnite disconnected from everything except the neg terminal it shows 12.3v.
The battery has a 2/21 sticker on it so is not new but not old either IMO.
Think I should just pull it and go to wally world to let them test it?
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Scott
'78 SC mit Sportomatic - Sold
Old 04-06-2022, 08:46 AM
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