What needs to stay on during an outage?

Select everything that applies. Your estimate updates as you go.

ZIP code (for your records — not required for the estimate)

Appliances to back up

Refrigerator & freezer Central air conditioning Well pump Wi-Fi & essential outlets Electric water heater EV charger

How long should backup last?

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YOUR ESTIMATE · UPDATES LIVE

Estimated battery energy required

0 kWh

for 24 hours of selected loads

Recommended setup—

Estimated runtime—

Average load (duty-cycle estimate)—

All selected loads running—

Estimated startup event—

Illustrative estimate using typical assumptions, not product-specific specifications. Actual loads, duty cycles, inverter limits, surge duration, wiring, and battery compatibility vary. Not an electrical design; have a qualified installer verify sizing before purchase or installation.

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