Marine Electronics
How to Choose a Fish Finder
A dockside walkthrough on how to choose a fish finder, from frequency and screen size to transducer mounting and clean 12V wiring.
Inverters and Charging
How to Size a Marine Inverter
A practical, step-by-step guide to sizing a marine inverter to your real loads, battery bank, and cable, with a worked example and…
12V Wiring Systems
How to Choose Marine Wire Gauge
A dockside walkthrough for sizing marine wire gauge on 12V boats, with real amp charts, a windlass example, and voltage drop rules.
12V Wiring Systems
Reading a Boat Wiring Diagram
Learn to read a boat wiring diagram the easy way: know the symbols, follow the current from positive to ground, and trace…
Marine Solar Power
How to Size a Boat Solar Array
Size a boat solar array to your real daily draw, not your boat length. A step-by-step audit, wattage math, and a full…
Marine Battery Banks
AGM vs Flooded vs Gel Batteries
A fair head-to-head on AGM, flooded, and gel marine batteries, with real prices, charging quirks, and a clear pick for how you…
Lithium Battery Upgrades
Are Drop-In LiFePO4 Batteries Worth It?
A straight answer on whether drop-in LiFePO4 batteries pay off on a boat, plus the charging and cold-weather catches nobody prints on…
Marine Electronics
Marine Electronics Setup Guide
Get power, grounding, and your data network right first, then a plotter, VHF, and transducer just work. A beginner primer to a…
Inverters and Charging
Boat Inverter and Charger Guide
An inverter makes household AC power at anchor and a charger refills your bank at the dock. Here is how to size,…
Marine Solar Power
Adding Solar Without Upsetting Your Charger
How to add a solar panel to a boat that already has a shore charger, so both charge your battery bank safely…
12V Wiring Systems
12V Boat Wiring Guide for Beginners
The fundamentals of 12v boat wiring: circuits, wire gauge, fuses, voltage drop, and grounding, explained by a marine electrician who has rewired…
Marine Solar Power
Marine Solar Power Setup Guide
The four parts of a boat solar system, how to size your array to real usage, and the wiring mistakes that cause…