Quinte Fishing

Does anyone have any experience with the Garmin Reactor 40 autopilot? I'm thinking about putting one on my 20hp kicker. My 36v ulterra doesn't last long enough and I don't want to listen to main motor idling in higher rpms just to charge the batteries. At this point, it's only really useful to spotlock since the boat is too big for it. People seem to like Garmin's previous autopilot. I like the fact that it will run the throttle on its own to maintain speed and the remote is wireless. Being on the boat on my own most of the time, it would kinda act as a second set of hands.

Any insight would be appreciated.

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Broke on land and water but feel like a million bucks with a fishing rod in hand