Optima red top: dead or alive - JeepForum.com
 
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post #1 of 5 Old 08-19-2017, 06:37 PM Thread Starter
S8NNG8
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Optima red top: dead or alive

My 6yr old red top had been giving my Jeep some electrical weaknesses lately, mostly noticeable with the ignition. I replaced it with a new red top and all is well in the Jeep.
Upon removal the old red top read 10.96v. Took it to O'Reilly's for a charge/check and was told it was toast. But after returning home I checked it and now reads 11.92v. What say you pros, dead or alive?


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post #2 of 5 Old 08-20-2017, 01:08 PM
un4gvn1
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Quote:
Originally Posted by S8NNG8 View Post
My 6yr old red top had been giving my Jeep some electrical weaknesses lately, mostly noticeable with the ignition. I replaced it with a new red top and all is well in the Jeep.
Upon removal the old red top read 10.96v. Took it to O'Reilly's for a charge/check and was told it was toast. But after returning home I checked it and now reads 11.92v. What say you pros, dead or alive?
At 11.92v I'd agree with O'Reilly's diagnosis. At a full charge it should show at least 12.4 (if memory serves).

Here's a link to some instructions for load testing, which should give a definitive answer.

Battery testing

And another battery test site

Working with cars is a little like a really awesome date: you start out expecting this to be something simple and straightforward; four hours later you're laying under her, panting and cursing, and things are a lot more complicated than you thought.

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post #3 of 5 Old 08-20-2017, 02:39 PM Thread Starter
S8NNG8
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Short on time so ill l read that later, but:
By increasing in voltage means it was taking a charge. Perhaps if they had left it on there longer it would reach 12.4.

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post #4 of 5 Old 08-20-2017, 02:46 PM
chris87xj
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It's not like a worn out battery won't take a charge, they just can't hold one worth a darn.

***Chris***

"You can set my jeep on fire and roll it down a hill,
But I still wouldn't trade it for a Coupe DeVille."


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post #5 of 5 Old 08-20-2017, 06:09 PM Thread Starter
S8NNG8
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I guess I was just being hopeful, but the way it was acting in my Jeep wasn't worth a damn. I'll read up on the link un4gvn1 posted and see if it's got any chance of afterlife.

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