Best 3-4 kWh Dual-Voltage Backup Power Stations for 240V Loads

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The short answer: The Anker SOLIX F3800 is our top pick: its 3,840Wh capacity and 6,000W output with 240V capability handle heavy loads, and at $1,979.99 it sits at its 90-day low. If you want the lowest entry price, the C2000 Gen 2 at $899.99 delivers 2,048Wh and 2,400W; step up to the F3000 at $1,399.99 for 3,072Wh and 3,600W.
- Best overall: Anker SOLIX F3800 Portable Power Station - 3840Wh — 3,840Wh capacity, 6,000W output, 240V support and a 90-day low price of $1,979.99 make it the strongest match for whole-home backup. See price at ankersolix.com
- Best value: Anker SOLIX F3000 Portable Power Station (UL9540 Certificated) — At $1,399.99 it is $580 less than the F3800 while still offering 3,072Wh and 3,600W output for 240V loads. See price at ankersolix.com
- Best compact: Anker SOLIX C2000 Gen 2 Portable Power Station - 2,048Wh — The 2,048Wh unit weighs 41.7 lb and costs $899.99, the lowest current price in the family. See price at ankersolix.com
- Best premium: Anker SOLIX F2600 Portable Power Station - 2560Wh|2400W — 2,560Wh with a 5-year warranty and 3,000 cycles to 80% capacity, priced at $1,999.99. See price at ankersolix.com
What changed: The F3800 dropped to a 90-day low of $1,979.99, while the F2600 and C2000 Gen 2 have risen from earlier lows.
| Product | capacity wh | output w | chemistry | usb a output | usb c output | surge w | Price now | 90-day low | Rating | |
|---|---|---|---|---|---|---|---|---|---|---|
| Anker SOLIX C2000 Gen 2 Portable Power Station - 2,048Wh | 2048 Wh | 2400 W | LFP | 5 V⎓2.4A | — | 4000 W | $899.99 | $899.99 | 4.9 | ankersolix.com |
| Anker SOLIX F2600 Portable Power Station - 2560Wh|2400W | 2560 Wh | 2400 W | LiFePO4 | 2 *12W | 3 ×100W | — | $1999.99 | $1399.99 | 5.0 | ankersolix.com |
| Anker SOLIX F3000 Portable Power Station (UL9540 Certificated) | 3072 Wh | 3600 W | LFP | 5 V⎓2.4A | 5V⎓3A / 9V⎓3A / 15V⎓3A / 20V⎓3A / 20V⎓5A, 100W | 7200 W | $1399.99 | $1399.99 | 4.9 | ankersolix.com |
| Anker SOLIX F3800 Portable Power Station - 3840Wh | 3840 Wh | 6000 W | LFP, 3,000+ cycles | 2× 12W, 24W in total | 3× 100W, 300W in total | — | $1979.99 | $1979.99 | 4.8 | ankersolix.com |
Anker SOLIX C2000 Gen 2 Portable Power Station - 2,048Wh

Pros
- 2,048Wh LFP capacity with 4,000 cycle life
- 2,400W output and 4,000W surge
- Recharges to 100% in 58 minutes via AC or solar
- At its 90-day low of $899.99, rating 4.9
Cons
- 41.7 lb weight
- 2,048Wh is below the 3-4 kWh target
Who it's for: Anyone wanting a compact, fast-recharging 2kWh LFP station at its lowest recent price.
Anker SOLIX F2600 Portable Power Station - 2560Wh|2400W

Pros
- 2560Wh LiFePO4 capacity with 2400W output and 1000W solar input
- UPS switch time under 20ms for backup switching
- Three 100W USB-C ports plus 5-year warranty and 3000 cycles to 80%+ capacity
Cons
- At $1999.99 it is $20 more than the 3840Wh F3800
- Currently at its 90-day high of $1999.99, up from a $1399.99 low
Who it's for: Anyone wanting a mid-size 2400W LiFePO4 station with fast UPS switching and a long warranty.
Anker SOLIX F3000 Portable Power Station (UL9540 Certificated)

Pros
- 3,072Wh LFP capacity with 4,000 cycle life
- 3,600W output and 7,200W surge can drive 240V loads
- UL9540 certificated
- At its 90-day low of $1,399.99, $580 less than the F3800 and $600 less than the F2600
Cons
- 90-day high was $1,699.99, so the current low follows a 13% rise
- No recharge time, weight, warranty or UPS switch time listed
Who it's for: Anyone wanting a UL9540-certified 3kWh LFP station that can run 240V loads for the least money in this lineup.
Anker SOLIX F3800 Portable Power Station - 3840Wh

Pros
- 3840Wh LFP capacity with 3000+ cycles and expandable to a 12kW max system configuration
- 6000W output drives 240V loads and high-draw appliances, with 2400W solar input and max 1800W AC recharge
- At $1979.99 it is at its 90-day low, down from a $2199.99 high, and costs $580 more than the F3000 while offering more capacity and output
- 5-year warranty and <20ms UPS switch time for backup power
Cons
- 132.3 lb weight makes it hard to move or carry
Who it's for: Anyone needing a heavy-duty, expandable 240V-capable home backup station with large capacity and high output, who can accept its 132.3 lb weight.
How we chose
We started from the need: 3–4 kWh of capacity with dual-voltage output for 240V loads. That ruled out anything under 3,000Wh for the main pick, though we kept a lower-capacity option in view for anyone who mainly wants the lowest entry price.
Capacity and output came first. The F3800 gives 3,840Wh and 6,000W, the F3000 gives 3,072Wh and 3,600W, and the C2000 Gen 2 gives 2,048Wh and 2,400W. The F2600 sits at 2,560Wh and 2,400W. Cycle life and warranty separated them further: 4,000 cycles on the C2000 Gen 2 and F3000, 3,000+ cycles on the F3800, and 3,000 cycles to 80%+ capacity with a 5-year warranty on the F2600.
Price decided the rest. At $1,979.99 the F3800 is at its 90-day low, $580.00 more than the F3000 at $1,399.99, which is also at its 90-day low. The C2000 Gen 2 at $899.99 is at its 90-day low too, and the F3000 costs $500.00 more than it. The F2600 at $1,999.99 is $20.00 more than the F3800.
Who should skip these
If you only need to run small electronics or a few lights, these stations are more than you need. The C2000 Gen 2 at $899.99 is the lowest entry price here, and it still delivers 2,048Wh and 2,400W — enough for a fridge, router, and phones, but not for 240V loads. The F3000 at $1,399.99 and the F3800 at $1,979.99 are built for heavier work: 3,072Wh and 3,840Wh respectively, with the F3800 rated at 6,000W and 240V capability.
The F2600 at $1,999.99 costs $20.00 more than the F3800 while offering 2,560Wh and 2,400W, so if you are weighing those two, the F3800 gives you more capacity and output for less.
Skip all four if your loads are phones, a laptop, and a lamp. A smaller, cheaper station covers that, and the price gaps here — $500.00 from the C2000 Gen 2 to the F3000, $1,080.00 to the F3800 — are money you would not get back in useful runtime.
How to choose the right one
Start with capacity. Add up the watt-hours of what you actually need to run, then pick a station that covers it. The C2000 Gen 2 gives you 2,048Wh, the F2600 gives you 2,560Wh, the F3000 gives you 3,072Wh, and the F3800 gives you 3,840Wh.
Then check output. If you need to drive 240V appliances, the F3800's 6,000W output and 240V capability are built for that. The F3000 offers 3,600W with a 7,200W surge, the F2600 and C2000 Gen 2 both offer 2,400W, with the C2000 Gen 2 surging to 4,000W. Match the surge rating to your motor-driven loads.
For long-term value, look at cycle life and warranty. The C2000 Gen 2 and F3000 are rated for 4,000 cycles, the F2600 for 3,000 cycles to 80%+ capacity, and the F3800 for 3,000+ cycles. The F2600 and F3800 each carry a 5-year warranty.
Questions readers ask
Which of these can run 240V loads?
The F2600, F3000 and F3800 are the dual-voltage candidates in this family, with the F3800 rated up to 6000W output and the F3000 at 3600W.
How much more does the F3800 cost than the F3000?
The F3800 is $580.00 more than the F3000 at current prices.
Is the C2000 Gen 2 enough for a 3-4 kWh backup?
Its capacity is 2048Wh, below the 3-4 kWh range, though it delivers 2400W output with a 4000W surge.
What is the price history of the F3800?
It is at its 90-day low of $1979.99, against a 90-day high of $2199.99, and the trend is flat.
How do the F2600 and F3800 compare on price?
The F2600 costs $20.00 more than the F3800 at current prices.
Update history
- — The F3800 dropped to a 90-day low of $1,979.99, while the F2600 and C2000 Gen 2 have risen from earlier lows.
- — The F3800 rose from $1,999.99 to $2,199.99 and the C2000 Gen 2 rose from $899.99 to $999.99, while the F2600 has held at its 90-day low of $1,399.99.
- — Prices and availability refreshed
- — First published
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