Bow Thruster Battery

The anchor windlass batteries are in the engine room about 45 feet away.

Bow thruster battery.

This article was written for a 12 volt winch or bow thruster. During the boating season the batteries are able to supply both small constant loads as well as heavy but short loads for the use of a bow thruster. In september s magazine nigel calder answers a reader s query about installing a bow thruster battery. Refer to the bow thruster current requirements to determine this figure.

The engine is normally running at low revs for perhaps 30 to 40 minutes at. Since then the trollbridge chargers for 24 volt equipment have been introduced that can handle winches and bow thrusters up to 15 horsepower. The bow thruster batteries are up by the bow thruster and i have a 6awg cable running up there from the charger overkill for 24 v. Here is the full text of the question and reply dear ym i wish to fit a bow thruster which is rated at 575ah to my sailing yacht.

We have supplied fitted maintained and repaired thousands of side power thruster systems on virtually every make and model of yacht powerboat and and motor cruiser. If the voltage drops below about 10 5 volts the battery may indeed need replacement. The battery capacity of the auxiliary will be a function of how long you think you will need the bow thruster in one session and how often sessions will occur. Osmotech are the south coast s leading supplier and installer of sleipner side power bow and stern thrusters for yachts and powerboats.

Have someone activate the bow thruster while you measure the voltage across the terminals. Sorry to be late on this thread but the bow thruster must be on the starter battery unless it has its own battery on a separate circuit with a charge splitter. Parts list automotive battery with enough capacity to run the device for the longest job. So no problem on getting the juice to the battery.

A starter battery can take a short heavy load called cca cold cranking amps but a domestic battery is designed to take a long deep discharge at a lower amperage but over several. Vetus offers 2 different types of marine battery series with its own characteristics.