I finally spent the money on an odyssey extreme on my 7.3 along with an aftermarket starter and battery cables. Absolute game changer in the wintertime. I could leave it out in the cold for a week and it would start faster than the old battery setup would in the summer.
I’ve ran odyssey in my RZRs and they always held up through abuse and neglect.
Buy an odyssey. It will pay itself off in the long run nor let you down. I just ordered one for my Rubicon.
I'm running a 320 amp alternator with AGM odyssey battery so far no issues
Commenting here for others to find. 5TA915105B has dimensions that align with Group 48/H6 specs. I bought an Odyssey 48-720 and it was a perfect fit. Bonus tip - FCP Euro has it for $250 and it includes their lifetime warranty.
I’ve had a group 34 Odyssey in my ‘04 TJ for 4.5 years, no problems at all.
Being designed for industry they have a reputation for much longer life (up to 10 years) and better performance at cold temperatures.
I've had decent luck with Odyssey batteries
I installed the old battery after recharging it and it has been working great until now. The new battery was faulty and I ended up returning it for a refund.
I've had a few of the Odyssey batteries... Never lasted more than about 14-18 months before dead. Take a look at these: https://shop.antigravitybatteries.com/products/starter-batteries/automotive/ag-h6-rs/
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