Guides

How much power does the refrigerator use? Calculate your battery budget

Calculate the refrigerator's daily consumption in Wh and Ah. See the difference between the compressor's power rating and the actual consumption over a 24-hour period. Read more...

Diesel heater control – panel, Bluetooth, WiFi & GSM

Select a controller for diesel heaters: panel, Bluetooth, WiFi, app, or GSM/LTE. Understand the difference between local operation and true remote control. Read more...

Hot air ducts and outlets – planning diesel heating on board

Plan the air distribution from the diesel heater, ensuring space for ducts, splitters, and vents. See specific requirements for AUTOTERM Air 2D and 4D. Read more...

AIS receiver or transponder – what do you need?

Understand the difference between receiving AIS and also transmitting the boat's own information. Get an overview of plotters, antennas, and installation. Read more...

NMEA 2000 – understanding the backbone, T-connectors, and terminators

Plan the boat's NMEA 2000 network with an overview of the backbone, drop cables, power, and compatible data between instruments. Read more...

Solar panels in series or parallel – choose based on location and controller

See the difference between series and parallel connection with a simple calculation example. Get a handle on voltage, current, shading, and expansion. Read more...

Choose MPPT charge controller – understand volts, amps and panel data

How to read the MPPT controller label and check battery voltage, panel Voc, short-circuit current, and charging power. Read more...

Fuses in 12 V and 24 V systems – what needs to match?

Understand the fuse's amperage, DC voltage and breaking capacity, and why a cable calculation alone does not determine the choice of fuse. Read more...

Choose inverter – watts, VA, inrush current and battery consumption

Check the inverter's continuous power, surge rating, and battery power consumption before choosing 230 V on board. Read more...

SmartShunt and battery monitoring – understand the power on board

Understand the difference between voltage, current, and calculated battery percentage. Read about what a shunt measures and why connection and configuration are critical. Read more...

Choose battery charger for shore power – voltage, amperes and charging profile

Choose a 230 V battery charger that suits your battery bank, power consumption, and time spent in the harbor. Also, see what multiple charging outputs mean. Read more...

DC-DC charger or charging relay – which is right for your boat?

Understand the difference between a DC-DC charger and a charging relay. Get a handle on the alternator, battery type, charging current, and total budget. Read more...