I bought a red top and have had no problems!! Can run the radio with the car off. Car can sit for weeks with no problems starting. Worth every penny
I got the yellow top but it was worth every cent fwiw. Swapped to a yellow and feel like I could start first time every time in the tundra.
My yellow top in my mk1 is 8 years old. My yellow ro in my R is 7 months old. They're great.
I installed an Optima Yellowtop D35. The D35 is shorter than the Q85, but the terminal cover provided by Optima doubles as a base to increase the batteries height. Great design Optima! Immediately after installing the battery, the "Battery Management System Malfunction" message still displayed. Finally after leaving the car overnight, the message went away on its own. The i-ELOOP system is now functioning as normal.
My last battery was a Duralast Gold and it lasted 7 years.
Picked up a Duralast Gold from Autozone back in July for my GLI. $155 after returning the OEM battery for the core refund.
I have a red top in my XJ and people say the quality has gone down every time Optima is mentioned but I've had nothing but stellar performance from mine. I was about 7 miles in on a trail 2 weeks ago and my alt died. The battery got me back to the main road before it died enough to not run the engine anymore. A little more than an hour back out and some gnarly rock crawling.
Had an Optima once. It was fine til it died, and it died hard. These days I stick with Interstate blemished units, since you can get them with cosmetic blems for about $35 from your local dealer. Cable wise, I updated them with the ones from a Mk3 VR6. I like the connectors better. Cables seem to be identical otherwise. Thicker alternator wire from Autotech is a must.
Optima batteries are not as good as they first were. Optima batteries have gone down in quality after being bought out, after Johnson Controls bought them and moved production to Mexico.
I had an Optima that behaved like this and took it back to AutoZone, they swapped it out without much hassle.
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