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Dead battery again??

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Old Sep 9, 2008 | 03:39 PM
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Default Dead battery again??

@2 batteries in 3 months while car is in storage with a ctek battery maintainer on it--what could be draining it while in storage?
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Old Sep 9, 2008 | 05:37 PM
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Check this out

http://forums.corvetteforum.com/show....php?t=2124182
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Old Sep 9, 2008 | 11:26 PM
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Default Battery Problems

Hi, what battery are you using?.
It is possible that the maintainer is not working properly,(overcharging, or undercharging), , Read the thread in the post above this and test the maintainer.
It is also possible that you have a big enough draw that it is overcoming the maintainer, Read Bill Curlee's thread on testing the draw. SEE BELOW
http://forums.corvetteforum.com/show...rent+draw+test.
Third possibility is that you are getting bad batterys, but not real likely.
Good Luck
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Old Sep 9, 2008 | 11:58 PM
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Hadn't driven the C5 for about three weeks then took it in and out of the garage 3-times during the weekend. Then planned on driving it to work. Took it out of the garage and parked it on the street; thought the start dragged a little. Got my work stuff and got in the vette and "click...click...click" dead battery. Got AAA to jump it and drove to and back and started o.k. Following weekend took it out of the garage to wash it, washed it then wanted to go for a drive and "click...click...click" agin. Jumped it again. Put it in the garage and put my small 6amp charger on the battery. Took overnight to charge fully but now that sucker starts right up Just driving it around does not fully recharge a "drained" battery.
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Old Sep 10, 2008 | 12:16 AM
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Default Battery Drained

Originally Posted by napacruzerc5
Hadn't driven the C5 for about three weeks then took it in and out of the garage 3-times during the weekend. Then planned on driving it to work. Took it out of the garage and parked it on the street; thought the start dragged a little. Got my work stuff and got in the vette and "click...click...click" dead battery. Got AAA to jump it and drove to and back and started o.k. Following weekend took it out of the garage to wash it, washed it then wanted to go for a drive and "click...click...click" agin. Jumped it again. Put it in the garage and put my small 6amp charger on the battery. Took overnight to charge fully but now that sucker starts right up Just driving it around does not fully recharge a "drained" battery.
Hi, it sounds like you need to check for heavy drain, and also the charger operation as the links suggest.
Driving the car for an hour or so should charge the battery pretty close to full. It is not recommended to charge a dead battery by driving around, because of the strain on the electrical system, but it will eventually charge it full, if it is capable of a full charge.. You may need to test the output of your alternator. Does the dic read at least 13.9 to 14.5 volts while driving, and 13.8 to 14.1 at stop with the engine running?
Good Luck
EDIT- oops, got you mixed up with the op, if you aren't going to drive the vette for more than a few days, it is best to use a maintainer.

Last edited by bestvettever; Sep 10, 2008 at 12:20 AM.
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