The source of DC power is usually one or more marine-grade batteries, normally 12 volts each. They are similar to automobile batteries, except sturdier—and of course more expensive.

The search, discovery, refinement and resource control of fuel has a rich and very sordid history. But just like…

Dressing appropriately for weather conditions is an important but often overlooked topic. Weather in the marina may be considerably different from weather beyond the marina and conditions can drastically change during your venture.

To be prepared and understand electrical power usage on a modern vessel, it is important to learn a few basic terms and concepts.