Simple Lithium for Outboard-Powered Tenders, Daysailers, and Sport Boats

Lithium is cool. Your cell phone uses it. Cameras, laptops, flashlights … everything. But “cool” is not a reason. Fire is not a big...

Ensuring a Safe Space for Batteries

When charging, lead acid batteries generate hydrogen from the electrolysis of water, and some acid gases, the amount of which vary with the battery...

How to Create a Bullet-Proof VHF/SSB Backup

In this short article I want to chat about ideas for making the radio bombproof in an emergency. I haven’t “invented” any of these...
shorepower connection

Ensuring Safe Shorepower

Power pedestals are handy and safe when they match the power requirements of the boat. Thirty amps for a 30-amp boat. Fifty amps for...
A lithium conversion requires a willing owner and a capable craft. Enter the Privilege 435 catamaran Confianza.

Can You Run a Marine Air-Conditioner on Battery Power?

Our 16,000 BTU MarinAire A/C is sufficient to maintain our Privilege 435 catamaran at under 26.5°C (80°F) on days up to around 35°C (95°F)....

Taking Care of Your 12-Volt Lead-Acid Battery Bank

Marine boat batteries can fail due to various reasons, and understanding these potential failure modes is crucial for ensuring their reliability. Here are some...

Check Your Shorepower System for Hidden Dangers

One of the often overlooked maintenance items in the pre-season rush to the water is the AC shorepower system. Over the years of surveying, Ive amassed a small collection of scary photos from past surveys showing the common examples of neglect to this critical system.

DIY survey of boat solar and wind turbine systems

Many used cruising sailboats on the market will have a couple of solar panels, a wind turbine, or possibly both. But are they working?...
A lithium conversion requires a willing owner and a capable craft. Enter the Privilege 435 catamaran Confianza.

What’s Involved in Setting Up a Lithium Battery System?

Our 2004 Privilege 435 Confianza (Connie for short) came equipped with traditional lead-acid batteries—5 100ah for the house bank and 2 starter batteries. We...

Leaping Into Lithium

Your dock neighbor just switched out her old 12-volt lead-acid batteries for lithium-ion batteries. Should you? The lithium solution will be more expensive, but...

How Long Do Sails Last?

How long do sails actually last? Sailmakers often say cruising sails last around 10–15 years, but what happens when you discover a sail that’s...

Latest Sailboat Review

Jeanneau 55 Boat Review

This recent sailboat from Jeanneau may as well be a spaceship. They’ve taken all the time-honored designs of a monohull aft cockpit and turned...