Battery OPTIMA or OEM KIA

OPTIMA Battery

Yellow Top Optima Battery. Used them since they're a deep cell battery and wont die when they're drained 150%. Something about how the seat belts sucked the life out of it after sitting for two days. Euro belts fixed that issue. They have a two year 100% over the counter replacement warranty at any of their retailers (yellow top). In '95 had a bad alternator overcharge the battery and leaked acid on the intercooler tubes. Since then I've relocated it to the trunk and had an Optima. If there wasn't a sealed battery when the car was rear ended it would of spilled the acid all over the trunk. The impact did kill the Yellow top by separating the conductors internally. Insurance refused to pay for it, but after the receipt was found it had 2 Mo left on the full warranty. So, safety, warranty, performance and longevity for about 30% more than a normal battery.

Pros: safety, warranty, performance
Cons: alternator overcharge, leaked acid
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OPTIMA Battery

Don't assume the Optima is in good condition either. I love them, I have one in each car, but both my brother and I have bought RED and YELLOW tops that were bad from the store.

Pros: I love them
Cons: bad from the store
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OPTIMA Battery

Optima is the most overrated battery brand on the planet (I'm not saying the WORST, but they are way too well-known for being a slightly-below-average product). They used to suck when they were gel cell (gel cells all suck) and their more recent AGM (AGM itself is good) batteries aren't great. Made by Johnson Controls, a not-great company, in Mexico.

Cons: overrated, below-average product, not great, used to suck
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