How To Create A Battery + Inverter Scenario

Use the Battery + inverter only scenario when you want to estimate backup or off-grid battery performance without solar helping during the modeled period.

When to use this scenario

This scenario is a good fit for outage backup, overnight battery-only planning, RV or boat systems that are not relying on solar in the modeled period, and base-case comparisons against a future solar-hybrid version.

Core fields

Focus first on battery capacity entry mode, battery size, battery voltage, inverter system voltage, battery chemistry, inverter efficiency, charger efficiency, and maximum discharge percent. If you plan to recharge from the utility or shore power later, grid charge hours still matters for the charging result tab.

Loads and usage

Add only the loads the battery-backed inverter is expected to supply. For outage planning that often means essential loads; for RV and boat use it may include fridges, pumps, electronics, lights, and charging loads.

Calculate and review

After calculation, start with the Overview, Battery, Inverter, and Charging tabs. If the scenario is only a first pass, use it as the baseline before creating a solar-hybrid comparison in the same project.