I went with a 36v motorguide and have about 6 months of use with it so far.
i did not go with the factory mount. I made a custom mount out of 1/2 inch 5052 aluminum. I also mounted on the starboard side which is different from most installs I see.
i do fish in coastal waters and went with a 60 inch shaft. It does cavitate some in rough weather. I also fish in shallow inshore waters and run the trolling motor up about a foot. The 36v holds in ripping currents, not sure how a 24v would have held up but I can say I'm glad I went with the 36v. It doesn't feel like overkill even when I'm just running it wide open to get to a different spot.
I went with three 12v volt 60ah dakota lithium batteries mounted in the forward section of the console. I went with it mainly because of weight and size.
I dont use an on board charger. I have a connector wired up to the bank and just plug in the dakota lithium 36v charger.
I don't have it connected to any electronics.
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