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.
SonarWise: trolling motors, fish finders and boat batteries, matched as one system.
Featured guide
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.
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Batteries
How much thrust and battery does your boat need?
Boat weight, water and hours in. Thrust, voltage, battery bank, runtime, wire gauge and breaker out, from published specs and real formulas.
Plan your trolling motor setup Boat weight, water and hours in. Thrust, voltage, battery bank, runtime, wire gauge and breaker out, from published specs and real formulas.