At first electrical systems onboard a boat can seem complex and confusing and that's when the boat is new! Add a couple of owners and several years of upgrades into the mix and could end up with a really complicated setup. It doesn't have to be this way, and you don't always need a professional onboard when something is working quite right.
Learn what you have, how it works and pick up some extra skills along the way!
This first video goes into some of the basics and what you might find on board your boat. Just a couple of really important points:
We will have more videos to come in this series.
Allegra has a fairly standard setup, a dedicated engine start battery and two batteries in the house bank to power all systems onboard. Charging is done from the engine alternator via a split charge diode, a Victron MPPT solar controller and a fold-out solar panel when at anchor and mains powered battery charger when at the dock.
Battery charge status comes from a Victron Smart Shunt. The Adverc Battery Manager helps to compensate for the voltage drop across the charge diode by taking a reading at the diode and another at the house battery terminal. It then controls the alternator output to maximise charging.
We recently changed from a PWM to an MPPT Solar controller. What do these terms mean and which is best?