Batteries
Trolling Motor Battery: What Size, How Many, How Long
What size trolling motor battery you need, how many for 12, 24 or 36 volts, and how long it lasts, worked out from Minn Kota's published amp draw figures.
All guides & answers
3 published guides on trolling motors, fish finders, batteries and wiring for small boats and kayaks, every one built on published specs.
Batteries
Fish Finders
Fish Finders
Fish Finder for a Small Boat: How to Choose One in 2026
How to choose a fish finder for a jon boat or small boat: screen size, sonar type, GPS and maps, aluminum-hull transducer mounting, and October 2026 prices.
About
About
About SonarWise: Who We Are and How We Work
What SonarWise is, how we research trolling motors, fish finders, marine batteries and wiring, and how the site makes money without selling recommendations.