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Anker SOLIX C1000 vs EcoFlow DELTA 2

Anker SOLIX C1000 — front view

Anker SOLIX C1000

60BatteryRank score · Balanced
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Decision readout
Better station

Anker SOLIX C1000 takes recharge speed, EcoFlow DELTA 2 takes weight and noise — the decision is which of those you need, not overall quality. If neither is your constraint, the composite tiebreak goes to Anker SOLIX C1000 by 3 points — a hair, not a mandate.

  • powerAnker SOLIX C1000+7
  • chargingAnker SOLIX C1000+27
    58 min vs 72 min to full · 600 W vs 500 W solar input
  • livabilityEcoFlow DELTA 2+39
    12.0 kg vs 12.9 kg
EcoFlow DELTA 2 — front view

EcoFlow DELTA 2

57BatteryRank score · Balanced
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What changes the decision
01 · Score evidence

Score breakdown

60
Anker SOLIX C1000
Overall
57
EcoFlow DELTA 2
60
POWER
Anker SOLIX C1000 +7
53

Battery-side usable capacity and how much you can run at once.

69
TRUST
Anker SOLIX C1000 +2
67

Owner reputation, safety record, warranty, and build durability.

58
CHARGING
Anker SOLIX C1000 +27
31

Wall and solar recharge speed.

37
LIVABILITY
EcoFlow DELTA 2 +39
76

Lightweight, portable, and quiet enough to live with.

Computed from sourced data with a published, price-independent formula. Scores are relative to each model's size class.

02 · Usable energy

Capacity truth

The watt-hours on the box aren't what reaches your devices. Same scale, both units.

Anker SOLIX C1000
Rated (on the box)
1,056 Wh. Show sourceclaimed sourceankersolix.com2026-07-04

The marketing number — total cell capacity.

AC deliveredmeasured
860 Wh. Show sourceverified source~860 Wh usable (~81% of 1,056 Wh rated) (OutdoorGearLab)2026-07-04

~860 Wh usable (~81% of 1,056 Wh rated) (OutdoorGearLab) · 19% below the label

EcoFlow DELTA 2
Rated (on the box)
1,024 Wh. Show sourceclaimed sourceus.ecoflow.com2026-07-10

The marketing number — total cell capacity.

AC deliveredmeasured
890–900 Wh. Show sourceverified source~890-900Wh usable AC (~86-90% conversion) vs 1024Wh rated (Portable Power Lab, 6-month test)2026-07-04

~890-900Wh usable AC (~86-90% conversion) vs 1024Wh rated (Portable Power Lab, 6-month test) · 13% below the label

03 · Same assumptions

Same-device runtime

Estimated runtime for the same sourced devices on Anker SOLIX C1000 and EcoFlow DELTA 2
DeviceAnker SOLIX C1000EcoFlow DELTA 2Assumption
CPAP (humidifier off)about 11.9 nightsabout 12.4 nights9 W ·
CPAP (heated humidifier on)about 1.9 nightsabout 2.0 nights56 W ·
Refrigerator (full-size)about 14 hoursabout 14 hours180 W × 35% duty cycle ·
Wi-Fi router + modemabout 48 hoursabout 50 hours18 W ·
Laptop (65W charger)about 26 hoursabout 28 hours65 W × 50% duty cycle ·
Phone (one full charge)about 43 full chargesabout 44 full charges20 W ·

One device at a time; estimates use each station's usable AC energy. Build your own load →

04 · Sourced hardware

Key specs, side by side

Key sourced specifications for Anker SOLIX C1000 and EcoFlow DELTA 2
SpecAnker SOLIX C1000EcoFlow DELTA 2
AC-delivered capacity
860 Whverified. Show sourceverified source~860 Wh usable (~81% of 1,056 Wh rated) (OutdoorGearLab)2026-07-04
895 Whverified. Show sourceverified source~890-900Wh usable AC (~86-90% conversion) vs 1024Wh rated (Portable Power Lab, 6-month test)2026-07-04
Continuous power output
1,800 W. Show sourceclaimed sourceankersolix.com
1,800 W. Show sourceclaimed sourceus.ecoflow.com
Surge power output
2,400 W. Show sourceclaimed sourceankersolix.com
2,700 W. Show sourceclaimed sourceus.ecoflow.com
Max solar input
600 W. Show sourceclaimed sourceankersolix.com
500 W. Show sourceclaimed sourceus.ecoflow.com
AC charge time (0–100%)
58 min. Show sourceclaimed sourceankersolix.com
72 min. Show sourceclaimed sourceus.ecoflow.com
Weight
12.9 kg. Show sourceclaimed sourceankersolix.com
12 kg. Show sourceclaimed sourceus.ecoflow.com
Rated cycle life
3,000 cycles. Show sourceclaimed sourcecdn.solarpowersupply.eu
3,000 cycles. Show sourceclaimed sourceus.ecoflow.com
Only show differences
  • AC-delivered capacity860 Wh895 Wh
  • Surge power output2,400 W2,700 W
  • Max solar input600 W500 W
  • AC charge time (0–100%)58 min72 min
  • Weight12.9 kg12 kg

Manufacturer figures unless marked verified or est. Tap or focus a figure to view its source. The better reading in each row is highlighted — lower wins for weight and recharge time.

Where these rank

Quick answers

Is the Anker SOLIX C1000 better than the EcoFlow DELTA 2?
Anker SOLIX C1000 takes recharge speed, EcoFlow DELTA 2 takes weight and noise — the decision is which of those you need, not overall quality. If neither is your constraint, the composite tiebreak goes to Anker SOLIX C1000 by 3 points — a hair, not a mandate.
Which has more usable capacity, the Anker SOLIX C1000 or EcoFlow DELTA 2?
Neither, in any way you would notice: 860 Wh against 895 Wh is a 4.1% gap, which is smaller than the swing you get from running the same load on a cold morning. Treat them as the same size and decide on output, weight, or today's price instead. Both figures are independently measured AC-delivered energy — the watt-hours that actually reach your devices.
Which has more AC output, the Anker SOLIX C1000 or EcoFlow DELTA 2?
Neither — both are rated 1,800 W continuous, so any load one can run, the other can too. Surge headroom follows the same order: 2,400 W against 2,700 W, and surge is what decides whether a compressor or pump actually starts.
How does runtime compare between the Anker SOLIX C1000 and EcoFlow DELTA 2?
They run within 4.1% of each other on the same load — about 13.7 hours each on a refrigerator (full-size). Runtime will not separate these two; the deciding factor is somewhere else.
Which is lighter, the Anker SOLIX C1000 or EcoFlow DELTA 2?
The EcoFlow DELTA 2, by 0.9 kg (12 kg versus 12.9 kg). Both weights are manufacturer figures for the bare unit; cables and a solar panel add to whatever you actually carry.
Which recharges faster from the wall, the Anker SOLIX C1000 or EcoFlow DELTA 2?
The Anker SOLIX C1000: 58 minutes from empty to full against 72 minutes, a difference of 14 minutes. This matters most between outages and during a short grid window — if you only ever recharge overnight, it does not matter at all.
Which model should I buy for my use case?
On the sub-scores that describe each use case: the Anker SOLIX C1000 for home backup; the EcoFlow DELTA 2 for cpap & bedroom, camping & rv. They split, so the honest answer depends on which of those you are actually buying for.

Keep deciding

Scores computed from sourced data · prices timestamped · tap or focus a figure to view its source

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