Software & SaaS ToolsWeb application / online tool

rewlogan/power

Free portable power station calculator. Set appliance wattage and runtime, estimate battery capacity, compare station models or check how long your own station will last. No signup.

rewlogan.com

Website overview

About rewlogan/power

rewlogan/power is a free calculator for planning backup power with a portable power station. Select your appliances, set their wattage and operating time, and estimate the battery capacity and output requirements. Compare station models or check how long a station you already own can power your selected devices. You can adjust the reserve and losses, save appliance sets in your browser, and share calculations with a link. The interface is available in English, Ukrainian and German and supports mobile devices and dark mode. No account is needed.

At a glance

Key features

  • Estimate battery capacity from appliance wattage and runtime
  • Compare portable power station models
  • Check the runtime of a station you already own
  • Save appliance sets locally and share calculations by link

Practical details

What can you use this website for?

Choose a refrigerator, Wi-Fi router and laptop, set how long each should run during an outage, then estimate the required station capacity and compare models.

Who is it for?

Households, remote workers and people planning backup power for appliances during power outages.

What to know

What makes it different?

Combines appliance-based sizing, a station catalogue and runtime estimates for an existing station, with shareable calculations and no signup.

About this listing

Information about features, pricing and suitability is supplied by the submitter, not independently verified by Zearches. Websites are screened against submission and safety rules, but inclusion is not an endorsement.

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