Power Station Chart

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Portable power stations with UPS switchover under 20 ms

30 stations, ordered by one rule: Maker lists a switchover of 20 ms or less, fastest first. First is the EcoFlow DELTA Pro Ultra X.

By the Power Station Chart team, ranked from the makers' manuals, not physically tested. Last reviewed October 31, 2026.

How to choose among these

Ten milliseconds is the switchover time every station at the top of this list gives, from the 12,288 Wh EcoFlow DELTA Pro Ultra X down to the 1,024 Wh Jackery HomePower 1000 v2. The cutoff is 20 ms, which lets in 30 stations. These are the makers' own figures, and a station that lists a slower switchover stays out. The range is wide, from 128 Wh and 200 W up to 12,288 Wh and 12,000 W, with a median of 1,024 Wh and 1,800 W. The lightest 10 ms model shown is the Jackery HomePower 1000 v2 at 23.4 lb.

The 30 stations, in order

By the numbers

Median capacity1,024 Wh
Spread128 to 12,288 Wh
Most common batteryLFP, on 27 of 30
Makers4
Listed on Amazon27 of 30

Standouts by the makers' figures

FAQ

Which stations list a 10 ms switchover?

Many do. The EcoFlow DELTA Pro Ultra X, DELTA Pro 3, DELTA 3 Ultra and DELTA 3 Max all list 10 ms, as do the Jackery HomePower 3600 models, the BLUETTI Elite 300 and the Anker SOLIX S2000.

What is the cutoff for this list?

A listed switchover of 20 ms or less. Stations that list a slower switchover are left out.

Which fast-switching station is the lightest with over 1,000 Wh?

The Jackery HomePower 1000 v2 at 23.4 lb, with 1,024 Wh and 1,500 W of AC. The Jackery HomePower 1000 Plus v2 is 23.8 lb and lists 1,800 W.

Do any of them expand?

Yes. The EcoFlow DELTA Pro Ultra X lists 61,440 Wh and the Jackery HomePower 1000 Plus v2 lists 11,264 Wh. The BLUETTI Elite 300 and Anker SOLIX S2000 are listed as not expandable.

Other ways to sort

Where these figures come from

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