Inverter, Battery and PV Calculator

Inverter, Battery & PV Calculator

Add your loads and pick the application. We size an all-in-one inverter, battery bank and solar array, and check it the way the Sunbloc design app does.

Load Setup

Systems

1 · Application

2 · Your site

Region

Sun Hours (Worst Month)?Peak sun hours in the darkest month, for panels tilted at your latitude. Off-grid systems are sized for the worst month, not the yearly average. Filled in from your region; change it if you know your site's figure.

Coldest Temperature (°C)?The coldest it gets. Panel voltage rises in the cold, so strings are kept short enough to stay under the inverter's solar input limit.

Days of Autonomy?Days the battery bank runs your loads with no sun. Homes often use 2 to 3. Vehicles and boats can charge from shore power or the engine, so 1 is common.

3 · Your loads

Add your own appliance

Appliance Name

AC or DC

Voltage

Running Watts

Surge Watts

Hours Per Day

Quantity

Checking every inverter, battery and panel combination...

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What Your Loads Need

Daily Energy

Continuous AC

Surge AC

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