Optima yellow top battery not charging - Maintenance and Repair Forum

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Optima yellow top battery not charging
Friday, May 18, 2012 7:38 AM
Ok, now i have no clue if this battery has just sat for too long and is dead or if it needs a certain way of being recharged. i have a small battery charger on it, on its highest setting (6V) and it wont go past 25% charge. Its been charging for like 4 to 5 days now.... do i need a bigger charger? ive seen on the optima website they have a 12V charger for like $200.... my problem is i dont have $200 to drop on a charger just to find out that the battery is dead dead, not just in need of a recharge. what do i do???


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Re: Optima yellow top battery not charging
Friday, May 18, 2012 7:45 AM
Not all chargers are capable of charging an AGM battery.

Here is a bit from optima themselves on the subject.
Linky


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Re: Optima yellow top battery not charging
Friday, May 18, 2012 8:09 AM
Thx man, you might have just saved me some cash lol



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Re: Optima yellow top battery not charging
Saturday, May 19, 2012 8:29 AM
Not to mention that a 6 Volt Charger will never charge a 12Volt battery to begin with.




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Re: Optima yellow top battery not charging
Saturday, May 19, 2012 10:06 PM
Or take it to autozone or advance for a free charge there charger maybe able to charge it unlike a say normal charger.I would call them first to verify they can tell you being they both sell the optima stuff.A thought on the subject



Re: Optima yellow top battery not charging
Monday, May 21, 2012 12:17 PM
You should find a good 12v battery and hook it up to the optima in parallel, Positive to Positive, Negative to Negative and then you can hook a smart charger up to the good battery and it should charge the optima back up cause some chargers will not charge a battery below a certain voltage. I have a yellow top in my car too and I love it so far!


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Re: Optima yellow top battery not charging
Monday, May 21, 2012 2:17 PM
Yep I found this out when working at the parts store, you have to use a trickle charger on them or you will overheat the cells



Re: Optima yellow top battery not charging
Tuesday, May 22, 2012 3:46 PM
Roofy wrote:Not to mention that a 6 Volt Charger will never charge a 12Volt battery to begin with.


^^This^^
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