Marine Solar Power
6 Marine Solar Install Mistakes
Six marine solar install mistakes that waste power on boats, from thin wire and shading to bad fusing, with a clear fix…
Lithium Battery Upgrades
Do You Need a DC-DC Charger for Lithium?
A DC-DC charger caps alternator current so lithium cannot cook it. Here is when you need one, what size to buy, and…
Marine Electronics
NMEA 2000 Networking for Beginners
How NMEA 2000 networking connects your GPS, sounder, and engine on one cable, plus the termination and power rules that keep it…
Inverters and Charging
Marine Alternator Upgrade Basics
A beginner-friendly primer on upgrading your boat's alternator, from sizing to smart regulators, so you fill a big house bank fast.
12V Wiring Systems
8 Boat Wiring Mistakes That Cause Fires
Eight common boat wiring mistakes that lead to onboard fires, and the simple marine-grade fixes that keep your 12V system safe and…
Lithium Battery Upgrades
5 Lithium Battery Mistakes That Kill Banks
The five lithium battery mistakes that kill marine banks early, and the simple fixes a working boat electrician uses to make them…
Marine Electronics
Installing a Marine VHF Radio
A dockside walkthrough to install a marine VHF radio, from antenna height and coax to clean 12V power, DSC, and MMSI registration.
Marine Electronics
Chartplotter vs Fish Finder Combos
One screen for navigation and sonar, or two dedicated units? Here is how a chartplotter fish finder combo really compares for weekend…
Marine Electronics
Wiring a Chartplotter Cleanly
A dockside walkthrough for wiring a chartplotter cleanly, from picking the right gauge to fusing, crimping, and testing before you close the…
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
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…