Anker SOLIX C1000 Gen 2
68BatteryRank score · Balanced
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Anker SOLIX C1000 Gen 2 vs EcoFlow DELTA 3 Classic (1024Wh)
Decision readout
Better station
Anker SOLIX C1000 Gen 2 leads by 18 points overall.
EcoFlow DELTA 3 Classic (1024Wh)
50BatteryRank score · Balanced
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What changes the decision
- Home backup: Anker SOLIX C1000 Gen 2 — higher AC output
- Camping & RV: Anker SOLIX C1000 Gen 2 — lighter and easier to carry
By the BatteryRank Engineering Team
01 · Score evidence
Score breakdown
68
Anker SOLIX C1000 Gen 2
Overall
50
EcoFlow DELTA 3 Classic (1024Wh)
49
POWER
Anker SOLIX C1000 Gen 2 +10
39
Battery-side usable capacity and how much you can run at once.
79
TRUST
Incomplete data
N/A
Owner reputation, safety record, warranty, and build durability.
84
CHARGING
Anker SOLIX C1000 Gen 2 +23
61
Wall and solar recharge speed.
84
LIVABILITY
Anker SOLIX C1000 Gen 2 +16
68
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 Gen 2
Rated (on the box)
1,024 Wh. Show source
claimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/c1000-gen2The marketing number — total cell capacity.
AC delivered (est.)
870 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
EcoFlow DELTA 3 Classic (1024Wh)
Rated (on the box)
1,024 Wh. Show source
claimed sourcemanuals.ecoflow.com2026-07-27https://manuals.ecoflow.com/eu/product/delta-3-classic?lang=en_USThe marketing number — total cell capacity.
AC delivered (est.)
870 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
03 · Same assumptions
Same-device runtime
| Device | Anker SOLIX C1000 Gen 2 | EcoFlow DELTA 3 Classic (1024Wh) | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 12.1 nights | about 12.1 nights | 9 W · |
| CPAP (heated humidifier on) | about 1.9 nights | about 1.9 nights | 56 W · |
| Refrigerator (full-size) | about 14 hours | about 14 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 48 hours | about 48 hours | 18 W · |
| Laptop (65W charger) | about 27 hours | about 27 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 43 full charges | about 43 full charges | 20 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
| Spec | Anker SOLIX C1000 Gen 2 | EcoFlow DELTA 3 Classic (1024Wh) |
|---|---|---|
| AC-delivered capacity | 870 Whest.. Show sourceestimated sourceankersolix.com2026-07-04https://www.ankersolix.com/products/c1000-gen2 | 870 Whest.. Show sourceestimated sourcemanuals.ecoflow.com2026-07-27https://manuals.ecoflow.com/eu/product/delta-3-classic?lang=en_US |
| Continuous power output | 2,000 W. Show sourceclaimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/c1000-gen2 | 1,800 W. Show sourceclaimed sourcemanuals.ecoflow.com2026-07-27https://manuals.ecoflow.com/eu/product/delta-3-classic?lang=en_US |
| Surge power output | 3,000 W. Show sourceclaimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/c1000-gen2 | 3,600 W. Show sourceclaimed sourcemanuals.ecoflow.com2026-07-27https://manuals.ecoflow.com/eu/product/delta-3-classic?lang=en_US |
| Max solar input | 600 W. Show sourceclaimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/c1000-gen2 | 500 W. Show sourceclaimed sourcemanuals.ecoflow.com2026-07-27https://manuals.ecoflow.com/eu/product/delta-3-classic?lang=en_US |
| AC charge time (0–100%) | 49 min. Show sourceclaimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/c1000-gen2 | — |
| Weight | 11.3 kg. Show sourceclaimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/c1000-gen2 | 12.1 kg. Show sourceclaimed sourcemanuals.ecoflow.com2026-07-27https://manuals.ecoflow.com/eu/product/delta-3-classic?lang=en_US |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/c1000-gen2 | — |
Only show differences
- Continuous power output2,000 W1,800 W
- Surge power output3,000 W3,600 W
- Max solar input600 W500 W
- AC charge time (0–100%)49 min—
- Weight11.3 kg12.1 kg
- Rated cycle life4,000 cycles—
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
- Anker SOLIX C1000 Gen 2 #2 of 10 in Most Inverter Output per Pound · #3 Midsize (1 kWh class) in Best Portable Power Stations
- EcoFlow DELTA 3 Classic (1024Wh) #6 of 10 in Fastest AC-Charging Power Stations · #8 of 10 in Most Inverter Output per Pound
Quick answers
- Is the Anker SOLIX C1000 Gen 2 better than the EcoFlow DELTA 3 Classic (1024Wh)?
- Anker SOLIX C1000 Gen 2 leads by 18 points overall.
- Which has more usable capacity, the Anker SOLIX C1000 Gen 2 or EcoFlow DELTA 3 Classic (1024Wh)?
- Neither, in any way you would notice: 870 Wh against 870 Wh is a 0% 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 estimated AC-delivered energy, not the nameplate battery rating — the watt-hours that actually reach your devices.
- Which has more AC output, the Anker SOLIX C1000 Gen 2 or EcoFlow DELTA 3 Classic (1024Wh)?
- The Anker SOLIX C1000 Gen 2: 2,000 W versus 1,800 W continuous. That gap matters only if a load sits between the two numbers — below 1,800 W both run it, above 2,000 W neither does. Surge headroom follows the same order: 3,000 W against 3,600 W, and surge is what decides whether a compressor or pump actually starts.
- How does runtime compare between the Anker SOLIX C1000 Gen 2 and EcoFlow DELTA 3 Classic (1024Wh)?
- They run within 0% of each other on the same load — about 13.8 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 Gen 2 or EcoFlow DELTA 3 Classic (1024Wh)?
- The Anker SOLIX C1000 Gen 2, by 0.8 kg (11.3 kg versus 12.1 kg). Both weights are manufacturer figures for the bare unit; cables and a solar panel add to whatever you actually carry.
- Which model should I buy for my use case?
- On the sub-scores that describe each use case: the Anker SOLIX C1000 Gen 2 for home backup, camping & rv. One model leads every use case we score here, which makes this an unusually clean choice.
Keep deciding
- Full scorecard, specs & price for Anker SOLIX C1000 Gen 2 →
- Full scorecard, specs & price for EcoFlow DELTA 3 Classic (1024Wh) →
- See more alternatives to Anker SOLIX C1000 Gen 2 →
- See more alternatives to EcoFlow DELTA 3 Classic (1024Wh) →
- What size do you need? →
- Browse all rankings →
- Check device runtime evidence →
- Compare outage and trip load plans →
- Browse complete power kits →
- Capacity vs output explained →
- Battery cycle-life thresholds →
- UPS behavior explained →