technology

Battery types

Wet cells: The de facto standard for high capacity batteries in boats for many years has been the basic wet cell lead-acid battery. These are somewhat simple in design. Plates are submerged in a liquid acid electrolyte contained in a…

Battery survey

What type of battery setup might make sense for your voyaging needs? We reached out to a selection of active liveaboard voyagers to get a sense of what they are using to power their vessels. Here are their answers to…

Upgrading batteries

For a very long time, high-capacity battery technology remained pretty simple. Wet cell lead-acid batteries were pretty much the only choice boaters had. Over the last 10…

Alarms, getting to know them better

Editor’s note: This piece originally appeared in the Ocean Cruising Club’s monthly bulletin (oceancruisingclub.org). This Maretron screen is from a sophisticated vessel monitoring setup. Green shows normal ranges, yellow indicates borderline and red signals an alarm…

Marine Electronics, September 2020

Receiving weather GRIB files offshore has become much easier through the easy access offered by handheld satellite phones. No longer do you need to install a huge satellite dome on your vessel to receive this critical data while under way.