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Type of battery for trolling motor

I sometimes fish for several days where there is no electricity to recharge my TM battery. I need all the amp-hours I can get from a charge. I have room for two TM batteries. Any recommendations on the way to go - conventional deep cycle marine batteries, new technology batteries, 2 golf cart batteries in series, etc? Thanks in advance for any help you can give.
Craig
Nov 25
2004
The biggest batteries you can put in the space. I kill a pair of group 24s in my little boat in a day of hard fishing. My big boat does the same to a pair of group 27s. Of course I fish in a lot of current so I am often on the pedal for hours on end.

My next boat will be running a 36V with three batteries. All the guys I know running that way claim to be able to fish a couple days in a row without recharging if they have to.

Bob
Nov 26
My Motor Guide 109# 36v will knock you off the casting deck after a full day of use.

WW

go-bassn
Nov 26
Without a doubt the best battery I've ever owned were a gel battery built for wheel chairs.

They were made in Germany by Sonnenschein, not cheap by any means, but they have a five year warranty. I ran the same set for five years of brutal use, and never ran them down.

The second best I've found were made in california by a company named Thermo, they were oil filled, and were almost as good.

I've never found a mass market battery to work very well at all.

Pat
Nov 27
Craig, without a doubt the best batteries I ever had in my boat are Optimax. I know they cost a ton (upwards of $160 each ) but for strength and durability they get my vote. This past year some bozo talked me into a name brand that was on sale at Sam's Club. Don't get me wrong they're ok. But I could and have fished three days with a fully loaded 18' 6" Champion with those batteries and they never slowed down till the middle of that third day. When sprring time comes along, I'm replacing the new ones. Joshuall
Nov 27
So what are you running in your boat Pat?

WW

go-bassn
Nov 27
Uh, well....nowadays I grab what's on the lot and go. BUT<<when I rig my own soon, it'll have those german tanks in it, I promise.

There were several times I got trapped at some stink hole without power and ran them hard...really hard for two full days without a loss. They were amazing.

I believe what does most of the cheaper batteries in is a good beating, constant big water hits just do them in, and that's it.

Pat
Nov 28
   

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