This Calculator is Nifty.

Doing your own homework? Use this calculator to help you decide what size battery and inverter you’re using for your off grid setup. Confused? No problem. Take a look at our tutorial series to learn what this calculator does. Then give it a burn!

Appliance Watts Minutes Used Total Watt Hours
System Voltage
Watt Hours Per day Amp Hours Per day
Estimated Battery Size Estimated Inverter Size
Disclaimer: These calculators are third party, standardized calculators. Usage of these calculators are for educational purposes only. Building electrical systems without the supervision and help of a licensed professional may result in financial loss, physical and mental injury, property damage, and in some cases death. Teragy LLC does not condone, promote, encourage or help its audience in assembling unlicensed solar systems.