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Ac Delco Battery
I have had the chevy express for just under 6 months and the battery has given me problems. I have a feeling it was completely discharged on the lot as it was sitting for many months. Since I took delevery I had to jump start it if I let it sit for over two weeks. Considering there was some parasitic draw I installed a battery disconnect and it has been doing the same thing.
I took it to a chevy dealer - it wouldn't read on the handheld tester so they charged it overnight and then tested it and it came out good. I checked it with my fluke at 12.87 when I got home at 11 am, and by 8 pm it is down to 12.5
Should a "good" battery drop to 75 percent capacity within a 12 hour period?
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