On this page
The power cut out during dinner and the fridge, the router and two phones all needed power at once, which is why the best portable power station for home backup is the one that covers the essential loads for the length of your outages. We compared five LiFePO4 stations the listings describe for home backup, from 1024Wh to 2048Wh, and scored them on stated capacity, build, value, safety and warranty terms. The 2kWh pair leads on runtime, while output watts, UPS speed and charge time decide the rest.
SolarKitHQ earns a commission when you buy through links on this page, at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.
Quick picks
Best Overall EF ECOFLOW Delta 3: 1800W with 56-minute full charge and IP65 battery pack Check price on Amazon
Longest Stated Lifespan Anker SOLIX S2000: 10,000-cycle LFP battery with 15-year lifespan stated Check price on Amazon
Best Peak Output BLUETTI AC180: 2700W peak with 20 ms UPS switchover stated Check price on Amazon
Best UPS Speed EF ECOFLOW Delta 3 Classic: under-10 ms UPS switchover with smart BMS stated Check price on Amazon
Highest Capacity Anker SOLIX C2000 Gen 2: 2048Wh with 2400W output and 58-minute full charge Check price on Amazon
The picks
| # | Product | Solar Score | Buy |
|---|---|---|---|
| 1 | EF ECOFLOW Delta 3 | 9.7/10 | Buy on Amazon |
| 2 | Anker SOLIX S2000 | 9.7/10 | Buy on Amazon |
| 3 | BLUETTI AC180 | 9.7/10 | Buy on Amazon |
| 4 | EF ECOFLOW Delta 3 Classic | 9.7/10 | Buy on Amazon |
| 5 | Anker SOLIX C2000 Gen 2 | 9.6/10 | Buy on Amazon |

EF ECOFLOW Delta 3
A 1024Wh LiFePO4 station with 1800W output, a 56-minute full charge and an IP65 battery pack.
Pros
- 56-minute full charge, the quickest here
- IP65 battery pack stated
- 13 outlets including 100W USB-C
- Expansion to 5kWh stated
Cons
- X-Boost figures conflict between bullets and spec table; trust the bullets
- 1024Wh is the smallest capacity here
- No UPS switchover time stated
- 12.5 kg with no pound figure stated
Detailed Review
The listing states a 1024Wh LiFePO4 station with 1800W output, a 56-minute full charge from 500W solar plus 1500W AC input, 80% in 30 minutes, 4000 cycles to 80% and expansion to 5kWh with extra batteries. It lists an IP65 battery pack with splash, dust and oil protection, 13 outlets, 100W USB-C output and a 5-year warranty. The bullets state X-Boost support over 2600W continuously while the spec table gives 2200W with X-Boost and 3600W surge, so trust the bullets.
Who it's for: homeowners who want the quickest stated full charge here and an IP65 battery pack. Who should skip it: anyone who needs more than 1024Wh without buying expansion batteries.
Its Solar Score of 9.7/10 comes from performance 32/35, build 20/25, value 21/25, safety 7/10 and warranty 4/5: 84 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 1024Wh, LiFePO4 |
|---|---|
| Output | 1800W, X-Boost over 2600W |
| Charge | 56 min full, 30 min to 80% |
| Outlets | 13, incl. 100W USB-C |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. IP65 battery pack with splash, dust and oil protection stated, so safety scores 7 of 10. 5 Year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Power station limits. Stay within the stated continuous output and solar input limits, keep the unit ventilated and dry, charge within the stated temperature range, and never connect it to home wiring except through equipment a licensed electrician installs.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

Anker SOLIX S2000
A 2010Wh LiFePO4 station with a 10,000-cycle battery, under-10 ms UPS and 8 outlets.
Pros
- 10,000-cycle, 15-year lifespan stated
- 35-hour fridge backup stated
- Under-10 ms UPS switchover
- 8 outlets front and rear
Cons
- No 12V DC port
- 1500W continuous is lower than the 1800W+ picks
- 400W max solar input, lower than the 500W picks
- No charge time stated
Detailed Review
The listing states a 2010Wh LiFePO4 station with 1500W continuous and 3000W peak output, a 10,000-cycle LFP battery with a 15-year lifespan, 6W idle draw and up to 35 hours of fridge backup. It lists 8 outlets front and rear, no 12V DC port, up to 400W solar input, under-10 ms UPS switchover, 35.7 pounds, 8.19 by 11.1 by 12.7 inches and a 5-year warranty. The maker claims 30% smaller and 25% lighter than the industry average.
Who it's for: homeowners who want the longest stated cycle life here and a compact 2kWh station. Who should skip it: anyone who needs a 12V DC port or more than 1500W continuous.
Its Solar Score of 9.7/10 comes from performance 30/35, build 21/25, value 21/25, safety 7/10 and warranty 4/5: 83 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 2010Wh, LiFePO4 |
|---|---|
| Output | 1500W, 3000W peak |
| UPS | under 10 ms |
| Size | 8.19 x 11.1 x 12.7 in, 35.7 lb |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. Pure sine wave inverter and under-10 ms UPS switchover stated, so safety scores 7 of 10. 5 year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Power station limits. Stay within the stated continuous output and solar input limits, keep the unit ventilated and dry, charge within the stated temperature range, and never connect it to home wiring except through equipment a licensed electrician installs.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Pros
- 2700W peak output
- 1-hour full charge at 1440W AC
- 20 ms UPS stated
- 5-year warranty with cables included
Cons
- Outlet count conflicts: 8 in bullets vs 11 in spec table
- No expansion batteries stated
- 37.4 pounds, heavier than the Classic and S2000
- No BMS or certification stated
Detailed Review
The listing states a 1152Wh LiFePO4 station with 1800W output and 2700W peak, 0-80% in 45 minutes, a full charge in 1 hour at 1440W AC input and 2.8-3.3 hours on 500W solar. It lists a 20 ms UPS switchover, 8 outlets, 37.4 pounds, 13.39 by 9.72 by 12.48 inches and a 5-year warranty. The spec table gives 11 total power outlets against the 8 in the bullets, so trust the bullets.
Who it's for: homeowners who want 2700W peak output and a 20 ms UPS in a mid-size station. Who should skip it: anyone who wants under-10 ms UPS switchover or expansion batteries.
Its Solar Score of 9.7/10 comes from performance 30/35, build 21/25, value 21/25, safety 6/10 and warranty 4/5: 82 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 1152Wh, LiFePO4 |
|---|---|
| Output | 1800W, 2700W peak |
| Charge | 1 hr AC, 2.8-3.3 hr solar |
| UPS | 20 ms |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. 20 ms UPS switchover stated, so safety scores 6 of 10. 5-Year Warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Power station limits. Stay within the stated continuous output and solar input limits, keep the unit ventilated and dry, charge within the stated temperature range, and never connect it to home wiring except through equipment a licensed electrician installs.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

EF ECOFLOW Delta 3 Classic
A 1024Wh LiFePO4 station with under-10 ms UPS, a smart BMS and 3600W surge.
Pros
- Under-10 ms UPS, the quickest here
- Smart battery management system stated
- 3600W surge output
- 2.5-hour solar recharge at 500W stated
Cons
- Not compatible with DELTA 2 or DELTA 3 extra batteries
- 6 outlets, fewer than the Delta 3's 13
- 1024Wh is the smallest capacity here
- No IP rating stated
Detailed Review
The listing states a 1024Wh LiFePO4 station with 1800W output and 3600W surge, 0-80% in 45 minutes, a 1-hour fast charge and under-10 ms UPS switchover. It lists a smart battery management system, 500W solar input with a 2.5-hour solar recharge, 6 outlets, 100W USB-C, app control, 26.7 pounds, 7.9 by 11.1 by 15.7 inches and a 5-year manufacturer warranty. It is not compatible with DELTA 2 or DELTA 3 series extra batteries.
Who it's for: homeowners who want the quickest stated UPS switchover here for sensitive electronics. Who should skip it: anyone who wants battery expansion or more outlets.
Its Solar Score of 9.7/10 comes from performance 29/35, build 20/25, value 21/25, safety 7/10 and warranty 4/5: 81 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 1024Wh, LiFePO4 |
|---|---|
| Output | 1800W, 3600W surge |
| UPS | under 10 ms |
| Charge | 45 min to 80%, 1 hr full |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. Smart battery management system and under-10 ms UPS switchover stated, so safety scores 7 of 10. 5 Year Manufacturer warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Power station limits. Stay within the stated continuous output and solar input limits, keep the unit ventilated and dry, charge within the stated temperature range, and never connect it to home wiring except through equipment a licensed electrician installs.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

Anker SOLIX C2000 Gen 2
A 2048Wh LiFePO4 station with 2400W output, 4000W peak and a 58-minute full charge.
Pros
- 2048Wh, the largest capacity here
- 2400W rated, 4000W peak, the highest output here
- 58-minute full charge stated
- 4kWh expansion with extra battery
Cons
- No safety certifications or BMS details stated
- Spec table 2827W conflicts with the 2400W title; trust the title
- 41.7 pounds, the heaviest here
- No outlet count stated in the bullets
Detailed Review
The listing states a 2048Wh LiFePO4 station with 2400W rated and 4000W peak output, a full charge in 58 minutes, 9W standby draw and up to 32 hours running a dual-door fridge. It lists 4kWh expansion with an extra battery, 800W alternator charging for a 3-hour car charge, 41.7 pounds, 18.1 by 9.8 by 10.1 inches and a 5-year warranty. The spec table gives 2827W output wattage against the 2400W in the title and bullets, so trust the title and bullets. No safety certifications or BMS details are stated.
Who it's for: homeowners who want the most watt-hours and the highest stated output here. Who should skip it: anyone who wants stated safety certifications or BMS details on the listing.
Its Solar Score of 9.6/10 comes from performance 33/35, build 21/25, value 21/25, safety 0/10 and warranty 4/5: 79 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 2048Wh, LiFePO4 |
|---|---|
| Output | 2400W, 4000W peak |
| Charge | 58 min full |
| Size | 18.1 x 9.8 x 10.1 in, 41.7 lb |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. No UL, FCC or battery management statement is stated, so safety scores zero. 5 years warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Power station limits. Stay within the stated continuous output and solar input limits, keep the unit ventilated and dry, charge within the stated temperature range, and never connect it to home wiring except through equipment a licensed electrician installs.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
As an Amazon Associate I earn from qualifying purchases.
More picks to compare
EF ECOFLOW DELTA 3 Max Portable PowerCheck on Amazon
GRECELL Portable Power Station 500WCheck on Amazon
LIBRIDS Portable Power Station 640WhCheck on Amazon
Compare the picks
| Station | Solar Score | Capacity | Output | UPS | Warranty | Amazon |
|---|---|---|---|---|---|---|
| EF ECOFLOW Delta 3 | 9.7/10 | 1024Wh | 1800W | Not stated | 5 years | View on Amazon |
| Anker SOLIX S2000 | 9.7/10 | 2010Wh | 1500W, 3000W peak | 10 ms | 5 years | View on Amazon |
| BLUETTI AC180 | 9.7/10 | 1152Wh | 1800W, 2700W peak | 20 ms | 5 years | View on Amazon |
| EF ECOFLOW Delta 3 Classic | 9.7/10 | 1024Wh | 1800W, 3600W surge | 10 ms | 5 years | View on Amazon |
| Anker SOLIX C2000 Gen 2 | 9.6/10 | 2048Wh | 2400W, 4000W peak | Not stated | 5 years | View on Amazon |
Specifications are manufacturer rated as listed, collected 20 October 2026.
How we scored them
The Solar Score weighs performance, build, value, safety and warranty. For a home backup station, safety means the battery management system, UPS switchover and any stated ratings: the Delta 3 states an IP65 battery pack, the Classic and S2000 state under-10 ms UPS, and the C2000 Gen 2 states no safety certifications or BMS details. All five state a 5-year warranty. How we pick explains the weights.
| Product | Solar Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| EF ECOFLOW Delta 3 | 9.7 | 32 | 20 | 21 | 7 | 4 |
| Anker SOLIX S2000 | 9.7 | 30 | 21 | 21 | 7 | 4 |
| BLUETTI AC180 | 9.7 | 30 | 21 | 21 | 6 | 4 |
| EF ECOFLOW Delta 3 Classic | 9.7 | 29 | 20 | 21 | 7 | 4 |
| Anker SOLIX C2000 Gen 2 | 9.6 | 33 | 21 | 21 | 0 | 4 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
How to choose the best portable power station for home backup
Size watt-hours to the outage
Stated capacity here runs from 1024Wh to 2048Wh. The listings translate that into fridge time: up to 32 hours on the C2000 Gen 2 and 35 hours on the S2000. Three picks state expansion batteries: 4kWh on the C2000 Gen 2 and 5kWh on the Delta 3 series. Add up the watt-hours your essentials need for the length of a typical outage before choosing.
Check the output against your loads
Continuous output runs from 1500W on the S2000 to 2400W on the C2000 Gen 2, with peak or surge figures from 2700W to 4000W. The Delta 3’s X-Boost supports resistive loads over 2600W continuously, per the bullets. List the appliances you must keep running and compare their combined draw against the continuous figure, not the peak.
| Station | Capacity | Output |
|---|---|---|
| EF ECOFLOW Delta 3 | 1024Wh | 1800W |
| Anker SOLIX S2000 | 2010Wh | 1500W, 3000W peak |
| BLUETTI AC180 | 1152Wh | 1800W, 2700W peak |
| EF ECOFLOW Delta 3 Classic | 1024Wh | 1800W, 3600W surge |
| Anker SOLIX C2000 Gen 2 | 2048Wh | 2400W, 4000W peak |
Read the UPS line if you work from home
The Delta 3 Classic and the S2000 state under-10 ms UPS switchover, and the AC180 states 20 ms. The Delta 3 and C2000 Gen 2 listings state no UPS switchover time. If the station will sit between the wall and a PC or a router, the stated switchover time matters more than the peak watts. See our portable power station guides for smaller stations with their own UPS figures.
Count the outlets and the recharge paths
The Delta 3 lists 13 outlets including 100W USB-C, the S2000 lists 8 outlets front and rear with no 12V DC port, the Classic lists 6 and the AC180 lists 8. Solar input runs 400W to 500W stated, AC input up to 1440W on the AC180 and 1500W on the Delta 3, and the C2000 Gen 2 adds 800W alternator charging. The Classic and AC180 list app control. Our best portable power station with solar panels for camping guide covers the solar pairing side.
Sizing Notes
- Match the station’s stated continuous output, 1500W to 2400W here, to the combined loads you plan to run.
- Count stated watt-hours against outage length: 1024Wh to 2048Wh, with 4kWh to 5kWh expansion stated on three picks.
- Check the stated UPS switchover, under 10 ms or 20 ms, against sensitive electronics.
- Confirm the stated solar input, 400W to 500W, against the panels you own.
- Note the stated charge times: 56 to 58 minutes for a full charge on the quickest picks.
Frequently Asked Questions
Which station here has the most capacity?
The Anker SOLIX C2000 Gen 2 at 2048Wh, expandable to 4kWh with an extra battery. The S2000 states 2010Wh, the AC180 1152Wh and both Delta 3 models 1024Wh.
How quickly do these recharge?
The Delta 3 states a 56-minute full charge from 500W solar plus 1500W AC, and the C2000 Gen 2 states 58 minutes. The Classic states 45 minutes to 80% and 1 hour full, and the AC180 states 1 hour at 1440W AC input.
Which ones work as a UPS?
The Delta 3 Classic and S2000 state under-10 ms UPS switchover, and the AC180 states 20 ms. The Delta 3 and C2000 Gen 2 listings state no UPS switchover time.
Which listing states the longest battery life?
The S2000, with a 10,000-cycle LFP battery and a 15-year lifespan stated. The Delta 3 states 4000 cycles to 80% with a 10-year lifespan.
Do any of these have app control?
The Delta 3 Classic lists the EcoFlow app and the AC180 lists the BLUETTI app, both for monitoring usage and charge settings. The other three listings state no app.
Related guides
See every Home Backup Power Stations guide and all Power Stations and Generators guides. Also see our best solar powered generator for power outage. Also see our best portable power station with solar panels for camping. Also see our LiFePO4 vs AGM battery for RV. Also see our best home backup power station under 800. Also see our ecoflow delta 2 vs jackery explorer 1000. Also see our best home backup power station for hurricane. Also see our anker solix c2000 vs ecoflow delta pro. Also see our solar y connector vs combiner box. Also see our bluetti ac200l vs ecoflow delta pro. Also see our jackery explorer 3000 pro vs ecoflow delta pro. Also see our solar generator vs home battery backup.
More picks: EF ECOFLOW Delta 3 Max (B0FQV6LMVX), GRECELL 500W Portable Power Station (B0B9H8W8HP) and LIBRIDS 640Wh Portable Power Station (B0GSDX8LTM).





