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Posts: 770
| Hey everyone, I am looking at picking up a new trolling motor. Right now I have a 80# Terrova and 4 batteries in the boat, one cranking, one for electronics, and two trolling. I'm running a 1750 fishhawk. As I'm shopping around for a new trolling motor I'm noticing that I can get.into a used 80# and 101# for about the same price, so I'm considering wiring my electronics to my cranking battery and adding going to 36v. Make sense, only downside is I do not have a 3 bank onboard charger Soni would have to hook the 3rd up to a charger or upgrade my onboard charger.
A few questions:
Do all of my batteries need to be the same? My electronics battery is newer than. The others and may not be the same size, if I go to 36v does that matter?
And one have a 36v unit.on a 17.5' boat?
Anything else I ned to consider?
Thanks for your time,
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