Terms of use

Outage Hours is for information only. The hours are calculations from measured or rated battery capacity and the device maker's published draw. Your real runtime also depends on your device settings, the unit's age, the room temperature and how full the battery is.

Nothing here is medical advice. If you rely on a CPAP machine or an oxygen concentrator, check your backup plan with your equipment supplier.

Prices, stock and specs change. Check the store before you buy.

You can reuse the data table (CSV) with credit to Outage Hours; the calculated columns are under CC BY 4.0. The photos are public domain or CC0 and are credited under each one.

Links to other sites are for convenience. We don't control those sites and aren't responsible for them.

Questions: hello@outagehours.com.