What is the best deep cycle battery?

I am looking to replace the heater battery in my wheel house and would like recommendations or reviews of some deep cycle batteries that you guys have used. The one I have is a 3 year old Energizer deep cycle and isn’t holding the charge as good as it once did. Any thoughts?

Northern gets my vote.

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Northern gets my vote.

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You can’t go wrong with Northern!

I have had good luck with Interstate but pricey. If u treat the battery good it will treat u good. Buy the way welcome 2 IDO

I’ve had good luck with Optima!

The only batteries that have lasted 3 years in my boat.

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I’ve had good luck with Optima!

The only batteries that have lasted 3 years in my boat.

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yes

Make sure to get a 27 sizeor bigger for the run time.

Thanks for all the replies, I think I’ll check on Northern. I always get at least a size 27, was almost thinking about a size 31, but it may be cost prohibitive.

Been a lurker for a long time, just finally joined up.

Welcome aboard!

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Thanks for all the replies, I think I’ll check on Northern. I always get at least a size 27, was almost thinking about a size 31, but it may be cost prohibitive.

Been a lurker for a long time, just finally joined up.

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I also belive in northern and get about 5 to 6 years out of them, havent had a problem yet plus the guys here in LaCrosse (Battery mart) are good to work with. (honest people)

I’m running Cabelas AGM Group 31…an 84# monster, but WOW….it has capacity like no other battery I have ever owned. The downside of it is the price, about $225, but it sure puts out the power. If you get the Cabelas coupons the price gets much more tolerable.