Power Inverter Sizing Tool

Total load from AC appliances in Watts

Inverter efficiency in %

Maximum current draw per battery as C/x factor

Total cable run between batteries and inverter in meters

Maximum allowed voltage drop from batteries to inverter

Voltage of battery bank 12V 24V

 

 

Total current draw from batteries: Enter data and click Calculate

Minimum cable size to batteries: Enter data and click Calculate

Minimum total battery capacity at selected C/x factor: Enter data and click Calculate

Available capacity with 80% Depth of Discharge: Enter data and click Calculate

Total available run time: Enter data and click Calculate

 

In-depth explanation in this blog post: Power Inverter: How large is large enough?

 

Disclaimer: calculations are provided for information only. We recommend to hire a professional to select and install the most appropriate electrical equipment for your boat.