I've worked AZ and O'Reilly - yes, the AZ Optimas sit for a long time, the Wallyworld shoppers there won't spring for $180, it's a $45 market. At O'Reilly we were told to "Never Test Optima's" on the regular computerized hot charger - put them on a 2A trickle for a couple of days, then load check them with the manual load tester. Funny, only one was bad - it was 6 years old.
So stories about running them on a 10A or more charger sounds like somebody shot themselves in the foot. And running a deep cycle battery for a cranking battery doesn't sound too good either. And running an Optima deep cycle battery in a Jeep with no winch - huh?
I see lots of misapplication and a desire to spend bucks for something that's cool - not a properly selected battery choice. Now, if I had an electric winch and planned on being stuck underwater or upside down, an Optima, Odyssey, or other sealed battery would be a good choice. Maybe I could get out of the jam. Looks like lots of folks do well with them - properly selected and used.
But really, 4 pages deep, what we see here is how to abuse an Optima through bad selection and maintenance. A course in Battery 101 is sorely needed.
A dead flat battery with 500 CCA, at 10 amps/hour, takes 50 hours to properly charge. Not overnight. And an Optima, at 2 amps/hour, a lot longer. Hence the battery float chargers success. And sitting unused for months at a time with no charger? And then hot charge it quick for the weekend? :banghead: :confused1 :rattle:
Soembody's setting themselves up for failure.