Pontoon boat would not use the Ford crate motor from the article, they use 55-110lb thrust electric trolling motors.
Example: Minn Kota Pontoon Freshwater Electric-Steer Bow-Mount Trolling Motor with Digital Maximizer & PowerDrive Foot Control, 48" Shaft
Most folks don't use their boat all day each day so it can sit and charge for days between uses and often on a use you aren't going far, then you anchor and hang out.