Independent research, updated September 6, 2026. Some product links are affiliate. No test lab. How we work

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Decision tree · updated 6 September 2026

Find the backup that matches your loads

Three questions. We route you to a cart-ready EcoFlow, Anker, or Bluetti path we can cite — or an installer quote path when a wall appliance is the honest answer. Tesla stays in the wait-for-installer lane only. EcoFlow prices on the result cards track the 2026 rankings snapshot (Ultra X $7,999 / Ultra X+SHP3 $10,999 / Ultra extra $2,299 add-on / $2,399 alone). The Anker portable is the F3800 Plus — $2,399.99 Halloween sale / $2,999.99 list (checked 26 Oct 2026, sale ends 1 Nov 2026).

Companion kit steps after you pick a portable

1. What must stay on?

2. When do you need hardware?

3. Hardware budget (before labor)

Starting-point estimate only. Not a load calculation and not a guarantee it will start a well pump or medical device. Get a licensed electrician for your actual setup. We do not store street addresses.

Then run the runtime calculator with your actual watts. For a 2–4 day outage fuel-vs-battery framing, see generator vs battery vs hybrid.

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