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Head-to-head comparison · Portable Power Stations

EcoFlow DELTA 2 vs Anker SOLIX C1000

Two of the most compared 1 kWh stations: same 1,800 W of output and LFP cells rated for 3,000 cycles. They differ in charging, solar and how far each can expand.

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This page was drafted with AI assistance from manufacturers' specs and manuals, and is checked by our editor.

Our pick: Anker SOLIX C1000 Portable Power Station

Why the Anker SOLIX C1000 Portable Power Station wins

The SOLIX C1000 edges it: faster to recharge, 100 W more solar input and a published UPS switchover under 20 ms. The DELTA 2 wins only if you want to expand to about 3 kWh.

Prices change often. Check the current price and availability on Amazon.

Check Latest Price on Amazon (paid link)
Image: EcoFlowEcoFlow DELTA 2 Portable Power Station
Editorial score:8.0/10

EcoFlow DELTA 2 Portable Power Station

A 1,024 Wh LiFePO4 power station with 1,800 W of AC output that can grow to about 3 kWh with an extra battery.

Image: AnkerAnker SOLIX C1000 Portable Power Station
Editorial score:8.4/10Our pick

Anker SOLIX C1000 Portable Power Station

A 1,056 Wh LiFePO4 station with six AC outlets, 1,800 W of output and a full recharge in under an hour.

Side-by-side

Specs compared

SpecificationEcoFlow DELTA 2 Portable Power StationAnker SOLIX C1000 Portable Power StationOur pick
Editorial scoreEditorial score:8.0/10Editorial score:8.4/10
Best for——
Capacity1,024 Wh1,056 Wh
Battery chemistryLiFePO4 (LFP)LiFePO4 (LFP)
Rated cycle life3,000+ cycles to 80% capacity3,000 cycles to 80% capacity
AC output1,800 W1,800 W
Peak output2,700 W surge2,400 W surge
Wall recharge0-80% in 50 minutes, full in 80 minutes (EcoFlow lab figures)80% in 43 minutes, full in under an hour (1,300 W input)
Max solar input500 W600 W
Expandable toAbout 3 kWh with a DELTA 2 or DELTA 2 Max extra battery2,112 Wh with one expansion battery
Weight27 lb (12 kg)28.4 lb (12.9 kg)
Dimensions15.7 x 8.3 x 11 in14.8 x 8.1 x 10.5 in
Warranty5 years5 years
AC outlets—6
USB-C output—1 x 100 W, 1 x 30 W
Backup switchover—Under 20 ms
Where to buyCheck Latest Price on Amazon (paid link)Check Latest Price on Amazon (paid link)

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At a glance

Key differences

  1. 1Wall recharge: the Anker reaches 80% in 43 minutes, the EcoFlow in 50 minutes.
  2. 2Solar input: 600 W for the Anker, 500 W for the EcoFlow.
  3. 3Expansion: about 3 kWh for the EcoFlow, 2,112 Wh for the Anker.
  4. 4Backup switchover: under 20 ms for the Anker; EcoFlow publishes no figure.
  5. 5Weight: 27 lb for the EcoFlow, 28.4 lb for the Anker.

Product by product

Pros and cons

Model DELTA 2

EcoFlow DELTA 2 Portable Power Station

The DELTA 2 is still a capable 1 kWh station, and the option to add a battery later is its best feature. Buy it for that; if you want the longest-lasting cells in this size, look at newer models first.

Pros

  • Charges from a wall outlet to 80% in 50 minutes, by EcoFlow's figures
  • Capacity can roughly triple with one extra battery
  • LiFePO4 cells rated for 3,000+ cycles, backed by a 5-year warranty
  • X-Boost mode lets it run some appliances rated up to 2,200 W at reduced power

Cons

  • An older design: EcoFlow now sells the DELTA 3, which it rates for 4,000 cycles and a faster recharge
  • Solar input tops out at 500 W, below the 600 W the Anker SOLIX C1000 accepts
  • EcoFlow describes the backup switchover only as "almost instant" and gives no figure in milliseconds
Check Latest Price on Amazon (paid link)Full review
Model SOLIX C1000 (A1761)

Anker SOLIX C1000 Portable Power Station

The most complete specification sheet in the 1 kWh class: fast charging, the most solar input and a stated switchover time. Make sure the listing you buy is the generation you want.

Pros

  • Full wall recharge in under an hour, by Anker's figures
  • 600 W of solar input, the highest of the 1 kWh models we cover
  • Six AC outlets and a published switchover time of under 20 ms
  • 5-year warranty and cells rated for 3,000 cycles

Cons

  • This is the first-generation C1000: Anker now also sells a C1000 Gen 2 with different specifications
  • Only one of the two USB-C ports delivers 100 W; the other is limited to 30 W
  • Expansion stops at 2,112 Wh, less headroom than the EcoFlow DELTA 2
Check Latest Price on Amazon (paid link)Full review

Choose the Anker SOLIX C1000 if

  • You want it as backup for computers or network gear: Anker states a switchover time.
  • You want the faster refill from the wall or from panels.

Choose the EcoFlow DELTA 2 if

  • You want room to grow to about 3 kWh.
  • You already own EcoFlow solar gear or extra batteries.

Newer models

Both have successors: the EcoFlow DELTA 3 Plus and the Anker SOLIX C1000 Gen 2. If the price gap is small, the newer models are better rated on cycles and charging.

Frequently asked questions

Which is better, the EcoFlow DELTA 2 or the Anker SOLIX C1000?
For most buyers the Anker: it recharges faster, takes more solar and has a published UPS switchover. The DELTA 2 is the choice if you want to expand to about 3 kWh.
Do they have the same output?
Yes, both are rated for 1,800 W of continuous AC output.
Which is lighter?
The DELTA 2, at 27 lb against 28.4 lb.

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