WattWise — Your Pro Power Runtime Estimator

WattWise — Your Pro Power Runtime Estimator. Shows a house with solar panels, a fuel generator, and a battery station alongside the WattWise app displaying a 4h 30m runtime estimate.
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Fuel Generator

  1. Select your generator size from the preset list.
  2. Enter the fuel remaining in your tank (litres).
  3. Adjust the burn rate if it differs from the preset default.
  4. Your estimated runtime appears instantly at the top.
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Battery Station

  1. Select your power station or enter a custom capacity.
  2. Open the Appliances panel and add what you plan to run.
  3. Use the +/− controls to set quantities per appliance.
  4. Your estimated runtime updates in real time at the top.

Estimated Runtime

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Enter values below to see an estimate

Generator Settings

Rated output: 1.0 kW — full-load consumption always applied

L
L/h

Estimates only. Actual runtime varies with load, temperature, and equipment condition. Settings are saved automatically in your browser.