Portable Power Stations With UPS: 8 Models With a Declared Switchover Time
- Data from official spec sheets
- Public scoring formula
- No paid placements
Eight stations in our US catalog declare a UPS switchover time. Five list 10 ms, including the compact Grecell H1200 and the EcoFlow DELTA 3 Max Plus; the Growatt INFINITY 2000 Pro lists 15 ms; both Jackery models list 20 ms. The EcoFlow DELTA 3 and Anker F3000 declare none.
Eight portable power stations in our US catalog declare a UPS switchover time, and five of them list 10 ms. A UPS function lets the station sit between the wall and your devices, taking over when the power drops. That keeps a router, CPAP or computer running through an outage without a reboot.
We only count a station if its Amazon listing states a switchover time. The EcoFlow DELTA 3 and the Anker SOLIX F3000 do not, so they are left out here; check their manuals if you need the function. We have not measured any of these times ourselves.
Which stations declare a UPS?
Switchover times range from 10 ms to 20 ms, across 672 Wh to 4,096 Wh. Empty cells mean the listing does not publish that figure.
| Model | UPS (ms) | Capacity (Wh) | AC output (W) | Surge (W) | Weight (kg) | Warranty (years) | WilderWatt score | Best for | |
|---|---|---|---|---|---|---|---|---|---|
 | 10 | 672 | 1,200 | — | 9.5 | 2 | 8.5 | Home office | |
| 20 | 2,042 | 2,200 | — | 17.9 | 5 | 9 | Light 2 kWh | ||
| 10 | 2,048 | 3,000 | 3,800 | 22.2 | 5 | 9 | 2 kWh, 10 ms | ||
| 15 | 2,048 | 2,400 | — | — | 5 | 8.5 | Expandable 2 kWh | ||
| 10 | 2,304 | 2,400 | 3,600 | 32.7 | 5 | 9.5 | Big solar input | ||
| 20 | 3,072 | 3,600 | 7,200 | 27 | 5 | 9 | 3 kWh, high surge | ||
| 10 | 3,072 | 3,600 | 7,200 | 33.6 | 5 | 9 | 3 kWh, 10 ms | ||
| 10 | 4,096 | 4,000 | 6,000 | 52.2 | 5 | 8 | Largest |
(affiliate link) · Data from the Amazon listing; offers may change.
| Switchover | Stations |
|---|---|
| 10 ms | Grecell H1200, EcoFlow DELTA 3 Max Plus, Bluetti AC200PL, EcoFlow DELTA 3 Ultra Plus, EcoFlow DELTA Pro 3 |
| 15 ms | Growatt INFINITY 2000 Pro (listed as EPS) |
| 20 ms | Jackery Explorer 2000 v2, Jackery HomePower 3000 |
How fast does a UPS need to be?
For most home electronics, 10-20 ms is fast enough; pick 10 ms for sensitive desktop PCs. Routers, modems, laptops on their chargers and most CPAPs ride through a short gap. Some desktop power supplies are less tolerant, and 10 ms gives more margin.
Portable stations generally switch over rather than run an always-online inverter. For servers or lab gear, a dedicated online UPS is the safer tool. For everything else, see our guide on how to choose a portable power station.
Pick by what you need
How long will each keep my devices running?
Hours to days for a router or CPAP, depending on capacity. Runtime is capacity × 0.85 ÷ load, where 0.85 covers inverter losses.
| Station | Router and modem, 15 W | CPAP, 40 W | Desktop PC and monitor, 150 W |
|---|---|---|---|
| Grecell H1200 (672 Wh) | ≈ 38 h | ≈ 14 h | ≈ 3.8 h |
| Jackery Explorer 2000 v2 (2,042 Wh) | ≈ 116 h | ≈ 43 h | ≈ 11.6 h |
| EcoFlow DELTA 3 Max Plus (2,048 Wh) | ≈ 116 h | ≈ 44 h | ≈ 11.6 h |
| Jackery HomePower 3000 (3,072 Wh) | ≈ 174 h | ≈ 65 h | ≈ 17.4 h |
| EcoFlow DELTA Pro 3 (4,096 Wh) | ≈ 232 h | ≈ 87 h | ≈ 23.2 h |
The load figures are typical examples, not measurements. Check your own devices with a plug-in watt meter, or use the solar calculator.
How do I set up a power station as a UPS?
Plug the station into the wall, then plug your devices into the station. The station charges and passes power through while the grid is on, and switches to battery when it drops.
Keep the total load under the station’s continuous AC rating, and test it once by switching off the wall socket. Some makers recommend limiting charge level for units left plugged in long term; check your manual. If the station shuts off when the grid drops, read shuts off under load.
Our picks among UPS power stations
The H1200 is the smallest station here with a 10 ms switchover. Its 672 Wh keeps a 15 W router and modem going for about 38 hours (672 × 0.85 ÷ 15), which covers most outages. The warranty is 2 years, shorter than the others here.
Pros
- 10 ms UPS at 9.5 kg (20.9 lb)
- 672 Wh and 1,200 W
- 78-minute AC recharge
Cons
- 2-year warranty
- Only 2 AC outlets
- Best for
- Router, modem, laptop or CPAP backup
- Skip it if
- Fridges through long outages
Specifications
| Capacity (Wh) | 672 |
|---|---|
| AC output (W) | 1,200 |
| Chemistry | LiFePO4 |
| Cycles | 3,000 |
| Weight (kg) | 9.5 |
| AC outlets | 2 |
| USB-C ports | 2 |
| Max solar input (W) | 400 |
| Full wall charge (min) | 78 |
| UPS (ms) | 10 |
| Warranty (years) | 2 |
The Explorer 2000 v2 gives 2 kWh with a declared 20 ms UPS at the lowest weight in its class, about 114 Wh/kg. That runs a 60 W fridge for about 29 hours. For desktop PCs, a 10 ms model is the safer choice.
Pros
- 20 ms UPS
- 2,042 Wh at 17.9 kg (39.5 lb)
- 5-year warranty
Cons
- 20 ms is the slowest time here
- Solar input and surge are not published
- Best for
- Fridge and electronics backup you can move by hand
- Skip it if
- Sensitive desktop PCs
Specifications
| Capacity (Wh) | 2,042 |
|---|---|
| AC output (W) | 2,200 |
| Chemistry | LiFePO4 |
| Weight (kg) | 17.9 |
| AC outlets | 3 |
| Full wall charge (min) | 102 |
| UPS (ms) | 20 |
| Warranty (years) | 5 |
The Max Plus pairs a 10 ms switchover with 3,000 W of output, so it can protect a workstation and still run a microwave. It expands to 10,000 Wh as your backup needs grow.
Pros
- 10 ms UPS
- 3,000 W continuous, 3,800 W surge
- Expandable to 10,000 Wh
Cons
- 22.2 kg (48.9 lb)
- Solar input not published
- Best for
- Desktop PCs, home offices and high-output backup
- Skip it if
- Anyone who carries it often
Specifications
| Capacity (Wh) | 2,048 |
|---|---|
| AC output (W) | 3,000 |
| Surge (W) | 3,800 |
| Chemistry | LiFePO4 |
| Weight (kg) | 22.2 |
| UPS (ms) | 10 |
| Expandable to (Wh) | 10,000 |
| Warranty (years) | 5 |
The HomePower 3000 combines 3,072 Wh and a 7,200 W surge with a 20 ms UPS. The surge rating helps with fridges and pumps that pull hard at start-up. It is also light for its capacity at 27.0 kg (59.5 lb).
Pros
- 20 ms UPS
- 3,072 Wh, 3,600 W and 7,200 W surge
- 27.0 kg (59.5 lb): about 114 Wh/kg
Cons
- Solar input not published
- No expansion ceiling on the listing
- Best for
- Whole-day home backup with motor loads
- Skip it if
- Sensitive desktop PCs
Specifications
| Capacity (Wh) | 3,072 |
|---|---|
| AC output (W) | 3,600 |
| Surge (W) | 7,200 |
| Chemistry | LiFePO4 |
| Cycles | 4,000 |
| Weight (kg) | 27 |
| Full wall charge (min) | 132 |
| UPS (ms) | 20 |
| Warranty (years) | 5 |
The Ultra Plus is the 3 kWh pick when switchover speed matters most. It matches the HomePower 3000 on capacity, output and surge, with a faster 10 ms time and expansion to 11,000 Wh. Compare both in HomePower 3000 vs F3000.
Pros
- 10 ms UPS
- 3,072 Wh, 3,600 W and 7,200 W surge
- Expandable to 11,000 Wh
Cons
- 33.6 kg (74.1 lb)
- Solar input not published
- Best for
- Home backup where computers or medical devices must not blink
- Skip it if
- Portable use
Specifications
| Capacity (Wh) | 3,072 |
|---|---|
| AC output (W) | 3,600 |
| Surge (W) | 7,200 |
| Chemistry | LiFePO4 |
| Weight (kg) | 33.6 |
| UPS (ms) | 10 |
| Expandable to (Wh) | 11,000 |
| Warranty (years) | 5 |
The Bluetti AC200PL (10 ms, 1,200 W solar input), the Growatt INFINITY 2000 Pro (15 ms) and the EcoFlow DELTA Pro 3 (10 ms, 4,096 Wh) also qualify. For outage planning, see the best power stations for home backup and how long a power station lasts.
Frequently asked questions
What does UPS mean on a portable power station?
It means the station passes wall power through to your devices and switches to its battery when the grid fails. The switchover time, in milliseconds, is how long the output drops during that change.
Is 20 ms fast enough for a computer?
For most laptops, routers and many desktop PCs, 10-20 ms is short enough. Some sensitive desktop power supplies may reboot at longer times, so pick a 10 ms model for critical work.
Can I use a portable power station as a UPS for a CPAP?
Yes, and a declared switchover keeps it running through an outage without waking you. The 672 Wh Grecell H1200 covers about 9.5 hours of a 60 W CPAP (672 × 0.85 ÷ 60).
Is a power station UPS the same as a dedicated UPS?
Not exactly. Most portable stations use a fast transfer switch rather than an always-online inverter. For servers or lab equipment, a dedicated online UPS is safer.
Does the EcoFlow DELTA 3 have a UPS?
Its Amazon listing does not declare a switchover time, so we do not count it here. Check the maker’s manual if you need that function.
Based on official spec sheets, manuals and published owner feedback. We have not physically tested every model. How we review.