Anker SOLIX C1000 Gen 2
68BatteryRank score · Balanced
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Anker SOLIX C1000 Gen 2 vs EcoFlow DELTA 2
Decision readout
Better station
Anker SOLIX C1000 Gen 2 leads by 11 points overall.
EcoFlow DELTA 2
57BatteryRank score · Balanced
What changes the decision
- Home backup: EcoFlow DELTA 2 — more AC-delivered capacity
- Camping & RV: Anker SOLIX C1000 Gen 2 — lighter and easier to carry
01 · Score evidence
Score breakdown
68
Anker SOLIX C1000 Gen 2
Overall
57
EcoFlow DELTA 2
49
POWER
EcoFlow DELTA 2 +4
53
Battery-side usable capacity and how much you can run at once.
79
TRUST
Anker SOLIX C1000 Gen 2 +12
67
Owner reputation, safety record, warranty, and build durability.
84
CHARGING
Anker SOLIX C1000 Gen 2 +53
31
Wall and solar recharge speed.
84
LIVABILITY
Anker SOLIX C1000 Gen 2 +8
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 Gen 2
Rated (on the box)
1,024 Wh. Show source
claimed sourceankersolix.com ↗2026-07-04The 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 2
Rated (on the box)
1,024 Wh. Show source
claimed sourceus.ecoflow.com ↗2026-07-10The marketing number — total cell capacity.
AC deliveredmeasured
890–900 Wh. Show source
verified 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
| Device | Anker SOLIX C1000 Gen 2 | EcoFlow DELTA 2 | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 12.1 nights | about 12.4 nights | 9 W · |
| CPAP (heated humidifier on) | about 1.9 nights | about 2.0 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 50 hours | 18 W · |
| Laptop (65W charger) | about 27 hours | about 28 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 43 full charges | about 44 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 2 |
|---|---|---|
| AC-delivered capacity | 870 Whest.. Show sourceestimated sourceankersolix.com ↗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 | 2,000 W. Show sourceclaimed sourceankersolix.com ↗ | 1,800 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Surge power output | 3,000 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%) | 49 min. Show sourceclaimed sourceankersolix.com ↗ | 72 min. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Weight | 11.3 kg. Show sourceclaimed sourceankersolix.com ↗ | 12 kg. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourceankersolix.com ↗ | 3,000 cycles. Show sourceclaimed sourceus.ecoflow.com ↗ |
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 2 #6 of 10 in Best Verified Inverter Efficiency · #7 of 8 in Quietest Power Stations
Quick answers
- Is the Anker SOLIX C1000 Gen 2 better than the EcoFlow DELTA 2?
- Anker SOLIX C1000 Gen 2 leads by 11 points overall.
- Which has more usable capacity, the Anker SOLIX C1000 Gen 2 or EcoFlow DELTA 2?
- Neither, in any way you would notice: 870 Wh against 895 Wh is a 2.9% 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 2?
- 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 2,700 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 2?
- They run within 2.9% 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 2?
- The Anker SOLIX C1000 Gen 2, by 0.7 kg (11.3 kg versus 12 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 Gen 2 or EcoFlow DELTA 2?
- The Anker SOLIX C1000 Gen 2: 49 minutes from empty to full against 72 minutes, a difference of 23 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 EcoFlow DELTA 2 for home backup; the Anker SOLIX C1000 Gen 2 for camping & rv. They split, so the honest answer depends on which of those you are actually buying for.
Keep deciding
- Full scorecard, specs & price for Anker SOLIX C1000 Gen 2 →
- Full scorecard, specs & price for EcoFlow DELTA 2 →
- See more alternatives to Anker SOLIX C1000 Gen 2 →
- See more alternatives to EcoFlow DELTA 2 →
- 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 →