A not-very-expensive battery tester that’s easy to use right in the boat with results comparable to a load tester! [More] Testing Batteries
Batteries & Charging Them
Having enough power on a boat is a combination of battery choice, monitoring, maintenance and charging.
Learn how not to have any amp-ogres aboard!
Our four-step approach to power on our boat means that we have electricity for everything we want. [More] No Amp Ogres!
Your refrigerator is running all the time but nothing is really cold. Is it time to call in the refrigerator repairman? Or is it something else? [More] Refrigeration Problem? Or Bad Batteries?
Basic concepts about inverters if you’re thinking of putting one on your boat — types, sizes, loads, pure sine wave vs. modified and more. I’ve tried to keep it a non-techie starting point! [More] Inverters 101
Does a large array of solar panels make sense for your boat? Here’s how we decided — and the answer was a resounding YES! [More] The Dollars & Sense of Solar Panels