5–3 on 10 shared metrics

Anker SOLIX C1000 vs EcoFlow DELTA 3

On 10 shared published metrics the SOLIX C1000 leads 5–3. Capacity is nearly matched (1.06 kWh vs 1.02 kWh), so the decision turns on the rows below — not size. Choose SOLIX C1000 when list-price efficiency matters — ahead on list price and cost per watt-hour.

Anker SOLIX C1000 portable power station
SOLIX C10001.06 kWh · $599.99 list · as of 2026-10-20
EcoFlow DELTA 3 portable power station
DELTA 31.02 kWh · $699 list · as of 2026-10-27
  • Carry / campingSplit
  • Longer runtimeSplit
  • Value per WhSOLIX C1000
  • Solar rechargeSOLIX C1000

Who wins which job

Pick SOLIX C1000 when

Anker SOLIX C1000

  • Capacity: 1,056 Wh vs 1,024 Wh
  • List price: $599.99 vs $699
  • Cost per watt-hour: $0.57 vs $0.68
  • Watt-hours per pound: 37.2 Wh/lb vs 37.1 Wh/lb

Buyers who want a well-made, well-supported unit and will use the app.

Pick DELTA 3 when

EcoFlow DELTA 3

  • Weight: 27.6 lb vs 28.4 lb
  • Rated cycles: 4,000 cycles vs 3,000 cycles
  • Max expandable capacity: 5,000 Wh vs 2,112 Wh

Buyers who want one system to grow from camping into home backup.

Spec by spec

A green mark is the better published figure on that row. Blank cells mean the vendor did not publish the number — we do not estimate.

MetricSOLIX C1000DELTA 3What it means
Capacity1,056 Wh1,024 WhHow much energy the unit stores. Sets how long everything else can run.
Continuous AC output1,800 W1,800 WThe largest load the inverter will run continuously, not counting surge.
Weight lower is better28.4 lb27.6 lbThe spec buyers most often regret ignoring.
List price lower is better$599.99$699Hub catalogue list price (same figure as product pages). Historical lows stay off this column.
Cost per watt-hour lower is better$0.57$0.68Price divided by capacity. The fairest single value metric.
Watt-hours per pound37.2 Wh/lb37.1 Wh/lbCapacity you get per pound carried.
Max solar input600 W500 WCaps how large an array is useful, and therefore off-grid recharge speed.
AC recharge time lower is better—56 minVendor-stated time to full from a wall outlet.
Rated cycles3,000 cycles4,000 cyclesVendor claim for charge cycles before capacity degrades to 80%.
UPS switchover lower is better—10 msHow long the unit takes to switch to battery. Under 20 ms keeps a desktop alive.
Max expandable capacity2,112 Wh5,000 WhHow far the system can grow with add-on batteries.
Warranty60 months60 monthsStated warranty length from the vendor listing.

How each one ranks overall

Anker SOLIX C1000

  • #20 of 51 for Best value (cost per watt-hour) ($0.57)
  • #24 of 50 for Most portable (Wh per pound) (37.2 Wh/lb)
  • #16 of 51 for Most inverter headroom (170 W/100Wh)
  • #24 of 40 for Highest solar input (600 W)
  • #16 of 18 for Most expandable (2.11 kWh)
  • #28 of 42 for Longest service life (3168 kWh)
  • #11 of 51 for Most output per dollar (3.00 W/$)
  • #37 of 51 for Longest warranty (60 mo)

EcoFlow DELTA 3

  • #28 of 51 for Best value (cost per watt-hour) ($0.68)
  • #25 of 50 for Most portable (Wh per pound) (37.1 Wh/lb)
  • #9 of 51 for Most inverter headroom (176 W/100Wh)
  • #10 of 25 for Fastest AC recharge (1.1 kW)
  • #25 of 40 for Highest solar input (500 W)
  • #11 of 18 for Most expandable (5 kWh)
  • #19 of 42 for Longest service life (4096 kWh)
  • #18 of 51 for Most output per dollar (2.58 W/$)
  • #10 of 25 for Best for home backup (73/100)
  • #2 of 51 for Longest warranty (60 mo)
  • #7 of 22 for Quietest under load (30 dB)

The brands behind them

Anker SOLIX

The existing Anker customer upgrading from power banks and chargers

Best for: Buyers who want a well-made, well-supported unit and will use the app.

Not for: Off-gridders who need the widest accessory ecosystem or the lowest cost per Wh.

All Anker SOLIX models →

EcoFlow

The tech-forward buyer who reads the spec sheet and wants room to grow

Best for: Buyers who want one system to grow from camping into home backup.

Not for: Buyers who want the lowest cost per watt-hour and will never use an app.

All EcoFlow models →

Looking past the SOLIX C1000 vs DELTA 3 head-to-head? Our Anker SOLIX vs EcoFlow brand comparison covers both line-ups.

Where these numbers come from. WattPicks does not test power stations — this is a spec profile, not a review. Every figure on this page is taken from Anker SOLIX’s own product listing and is stored with the vendor’s exact wording, reproduced below. We do not estimate missing specs — a field the vendor does not publish is shown as “—” and excluded from rankings. Source: ankersolix.com.

Vendor wording for each figure (7)
  • capacityWh: “1,056Wh and up to 600W solar input.”
  • acOutputW: “1800W Anker SOLIX C1000 Portable Power”
  • weight: “28.44 lb / 12.9 kg”
  • solarInputW: “600W Max, 11-60V MPPT”
  • cycleLife: “3,000 (80% Capacity)”
  • maxExpandableWh: “Up to Max. 2112Wh Capacity with Expansion Battery (Coming soon.)”
  • warrantyMonths: “5-Year Warranty”

Where these numbers come from. WattPicks does not test power stations — this is a spec profile, not a review. Every figure on this page is taken from EcoFlow’s own product listing and is stored with the vendor’s exact wording, reproduced below. We do not estimate missing specs — a field the vendor does not publish is shown as “—” and excluded from rankings. Source: us.ecoflow.com.

Vendor wording for each figure (9)
  • capacityWh: “1024 Wh”
  • acOutputW: “6 outlets, 1800W total (Surge 3600W)”
  • weight: “(27.6 lbs)”
  • solarInputW: “DC Charge Input, 11V-60V 500W Max”
  • rechargeAcMinutes: “Full Charge in 56 Minutes”
  • cycleLife: “4000 cycles to 80+% capacity”
  • upsSwitchoverMs: “10 ms UPS”
  • maxExpandableWh: “(Up to 5kWh)”
  • warrantyMonths: “5 years”

Frequently asked

Which is better for most buyers, the Anker SOLIX C1000 or the EcoFlow DELTA 3?

The SOLIX C1000 leads 5–3 on shared published metrics. That edge matters when capacity, list price, cost per watt-hour match what you need; otherwise take the DELTA 3.

I care most about carry / camping — which should I buy?

Carry / camping is split on the published rows — weigh the table, not the brand story.

Method and sources

Every row on this page is a published manufacturer figure from the WattPicks catalog at build time. WattPicks does not run laboratory tests on these units, and blank cells mean the vendor did not publish that metric — not that we estimated it.

Read our methodology for how the catalog is normalized, and about WattPicks for who publishes it.

You might also compare — SOLIX C1000

You might also compare — DELTA 3

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