Recent content by OptimaJim
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Optima red top charging
fleebag, I'm sorry to hear about the problems you've been having with your battery. I should start by saying our RedTops are fully-charged at approximately 12.6-12.8 volts. In looking at some of your other posts, it appears as if you've had some past issues with your wiring and/or a parasitic...- OptimaJim
- Post #19
- Forum: General Turbo Buick Tech
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Optima red top charging
Hi Donnie, we frequently recommend a 10-amp charge for up to two hours on batteries that have been deeply-discharged and allowed to sit for extended periods of time. This higher rate will help break up some of the sulfation that has formed and restore some performance. As I mentioned before...- OptimaJim
- Post #16
- Forum: General Turbo Buick Tech
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Optima red top charging
fastdavedk, the issue you are referring to is a charger-related issue and not specific to Optima. In fact, some companies will void the warranty on their battery if it is found to be discharged below 10 volts. The problem is that many chargers will not recognize or charge any battery that has...- OptimaJim
- Post #13
- Forum: General Turbo Buick Tech
