
Anker SOLIX C1000 vs 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.
- powerAnker SOLIX C1000+7
- chargingAnker SOLIX C1000+2758 min vs 72 min to full · 600 W vs 500 W solar input
- livabilityEcoFlow DELTA 2+3912.0 kg vs 12.9 kg

EcoFlow DELTA 2
- Home backup: Anker SOLIX C1000 — stronger combined capacity and AC-output score
- CPAP & bedroom: EcoFlow DELTA 2 — quieter under load
- Camping & RV: EcoFlow DELTA 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.
1,056 Wh. Show source
claimed sourceankersolix.com ↗2026-07-04The marketing number — total cell capacity.
860 Wh. Show source
verified 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
1,024 Wh. Show source
claimed sourceus.ecoflow.com ↗2026-07-10The marketing number — total cell capacity.
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
Same-device runtime
| Device | Anker SOLIX C1000 | EcoFlow DELTA 2 | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 11.9 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 26 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 →
Key specs, side by side
| Spec | Anker SOLIX C1000 | EcoFlow 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
- Anker SOLIX C1000 #10 of 10 in Best 1,000 Wh 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 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
- Full scorecard, specs & price for Anker SOLIX C1000 →
- Full scorecard, specs & price for EcoFlow DELTA 2 →
- See more alternatives to Anker SOLIX C1000 →
- 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 →