
Anker SOLIX C1000 Gen 2 vs EcoFlow DELTA 3 Classic (1024Wh)

Anker SOLIX C1000 Gen 2 leads by 18 points overall.

EcoFlow DELTA 3 Classic (1024Wh)
- Home backup: Anker SOLIX C1000 Gen 2 — higher AC output
- Camping & RV: Anker SOLIX C1000 Gen 2 — lighter and easier to carry
Score breakdown
Battery-side usable capacity and how much you can run at once.
Owner reputation, safety record, warranty, and build durability.
Wall and solar recharge speed.
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.
Capacity truth
The watt-hours on the box aren't what reaches your devices. Same scale, both units.
1,024 Wh. Show source
claimed sourceankersolix.com ↗2026-07-04The marketing number — total cell capacity.
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.
1,024 Wh. Show source
claimed sourcemanuals.ecoflow.com ↗2026-07-27The marketing number — total cell capacity.
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.
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 →
Key specs, side by side
| Spec | Anker SOLIX C1000 Gen 2 | EcoFlow DELTA 3 Classic (1024Wh) |
|---|---|---|
| AC-delivered capacity | 870 Whest.. Show sourceestimated sourceankersolix.com ↗2026-07-04 | 870 Whest.. Show sourceestimated sourcemanuals.ecoflow.com ↗2026-07-27 |
| Continuous power output | 2,000 W. Show sourceclaimed sourceankersolix.com ↗ | 1,800 W. Show sourceclaimed sourcemanuals.ecoflow.com ↗ |
| Surge power output | 3,000 W. Show sourceclaimed sourceankersolix.com ↗ | 3,600 W. Show sourceclaimed sourcemanuals.ecoflow.com ↗ |
| Max solar input | 600 W. Show sourceclaimed sourceankersolix.com ↗ | 500 W. Show sourceclaimed sourcemanuals.ecoflow.com ↗ |
| AC charge time (0–100%) | 49 min. Show sourceclaimed sourceankersolix.com ↗ | — |
| Weight | 11.3 kg. Show sourceclaimed sourceankersolix.com ↗ | 12.1 kg. Show sourceclaimed sourcemanuals.ecoflow.com ↗ |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourceankersolix.com ↗ | — |
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 →