Batteries, trolling motors, chargers, wire, power stations, solar and inverters, each with a calculator so you buy the right size.
Every product the calculators recommend, in one place. Not sure what size you need? Use the calculator button on each product first, then shop the size it recommends. Links go to Amazon and are paid links: as an Amazon Associate I earn from qualifying purchases.
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Pick thrust for your loaded boat weight and voltage for how long you need to run. Minn Kota’s rule of thumb is at least 2 lb of thrust per 100 lb of loaded boat.
Calculate the size you need Opens the Trolling Motor Power CalculatorPopular brands (paid links): Minn Kota · MotorGuide · Garmin Force · Newport · Watersnake
Shop all on Amazon (paid link)Screen size sets the power draw. A 4 to 5 inch unit sips under half an amp, while a 12 inch unit with live sonar can pull several amps.
Calculate the size you need Opens the Fish Finder Battery Life CalculatorPopular brands (paid links): Garmin · Humminbird · Lowrance · Deeper
Shop all on Amazon (paid link)Lighter and longer-lasting, and you can use about 80% of the rating. The best choice for trolling motors you run hard.
Calculate the size you need Opens the Trolling Motor Power CalculatorPopular brands (paid links): Battle Born · Dakota Lithium · LiTime · Renogy · Redodo · ECO-WORTHY
Shop all on Amazon (paid link)Sealed and spill-proof, and less expensive than lithium. Plan on using about half the rating to protect battery life.
Calculate the size you need Opens the Whole-Boat Power Budget CalculatorPopular brands (paid links): Optima BlueTop · VMAX · Renogy · Mighty Max · Universal Power Group
Shop all on Amazon (paid link)A small 12 V battery runs a fish finder all day on a kayak or the ice.
Calculate the size you need Opens the Fish Finder Battery Life CalculatorPopular brands (paid links): Dakota Lithium · ExpertPower · LiTime · Mighty Max · Ampere Time
Shop all on Amazon (paid link)A shunt-based monitor counts amp-hours in and out, which is the only accurate fuel gauge for lithium batteries.
Calculate the size you need Opens the Whole-Boat Power Budget CalculatorPopular brands (paid links): Victron Energy · Renogy · Junctek
Shop all on Amazon (paid link)Match the charger to your battery type. A 24 V or 36 V trolling setup needs one output per battery.
Calculate the size you need Opens the Trolling Motor Power CalculatorPopular brands (paid links): NOCO Genius · Minn Kota · ProMariner · Victron Energy · Dual Pro · Battery Tender
Shop all on Amazon (paid link)Marine-grade tinned copper resists corrosion. Size it for the current and the length of the run.
Calculate the size you need Opens the Trolling Motor Power CalculatorPopular brands (paid links): Ancor · TEMCo · WindyNation · EWCS
Shop all on Amazon (paid link)Every trolling motor needs a manual-reset breaker close to the battery, sized to the motor.
Calculate the size you need Opens the Trolling Motor Power CalculatorPopular brands (paid links): Blue Sea Systems · Minn Kota · Bussmann
Shop all on Amazon (paid link)Small inline fuses protect electronics. Inverters need a big ANL or class T fuse right at the battery.
Calculate the size you need Opens the Inverter Run Time CalculatorPopular brands (paid links): Blue Sea Systems · Bussmann · Victron Energy
Shop all on Amazon (paid link)Crimp-on tinned terminals with adhesive heat shrink keep water out of every connection.
Calculate the size you need Opens the Trolling Motor Power CalculatorPopular brands (paid links): Ancor · TEMCo · Wirefy
Shop all on Amazon (paid link)Holds the battery in place and covers the terminals, which is required on most boats.
Calculate the size you need Opens the Whole-Boat Power Budget CalculatorPopular brands (paid links): Attwood · NOCO · Camco
Shop all on Amazon (paid link)A battery, inverter and charger in one box. Size it in watt-hours for your gear and days off-grid.
Calculate the size you need Opens the Power Station & Solar Sizer CalculatorPopular brands (paid links): Jackery · EcoFlow · Bluetti · Anker SOLIX · Goal Zero
Shop all on Amazon (paid link)Expect about three-quarters of the rated watts in real sun. Check your power station’s solar input limits first.
Calculate the size you need Opens the Power Station & Solar Sizer CalculatorPopular brands (paid links): Renogy · Jackery · EcoFlow · Bluetti · BougeRV
Shop all on Amazon (paid link)Turns battery power into wall-outlet power. Pick pure sine wave for CPAPs, laptops and anything with a motor.
Calculate the size you need Opens the Inverter Run Time CalculatorPopular brands (paid links): Victron Energy · Renogy · AIMS Power · Giandel · BESTEK
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