Battery Runtime

How long will your battery last during a brownout?

Ah = amp-hours, found on the battery label.

Add up the wattage of everything you plan to run.

Solar Recharge (optional)

Design Your Own System

Load Calculator

Find out how much power your appliances use.

Solar Panel Sizing

Calculate how many panels you need.

Battery Runtime

See how long your battery lasts.

Wire Size

Find the minimum gauge for your load and length.

Voltage Drop

Check voltage loss across your wire runs.

Breaker / Fuse

Get the right breaker size for any circuit.