Anker SOLIX C1000
60BatteryRank score · Balanced
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Anker SOLIX C1000 vs EcoFlow DELTA 3 Plus
Decision readout
Better station
EcoFlow DELTA 3 Plus leads by 12 points overall.
EcoFlow DELTA 3 Plus
72BatteryRank score · Excellent
What changes the decision
- Home backup: EcoFlow DELTA 3 Plus — more AC-delivered capacity
- CPAP & bedroom: EcoFlow DELTA 3 Plus — quieter under load
- Camping & RV: EcoFlow DELTA 3 Plus — lighter and easier to carry
By the BatteryRank Engineering Team
01 · Score evidence
Score breakdown
60
Anker SOLIX C1000
Overall
72
EcoFlow DELTA 3 Plus
60
POWER
EcoFlow DELTA 3 Plus +10
70
Battery-side usable capacity and how much you can run at once.
69
TRUST
EcoFlow DELTA 3 Plus +8
77
Owner reputation, safety record, warranty, and build durability.
58
CHARGING
EcoFlow DELTA 3 Plus +21
79
Wall and solar recharge speed.
37
LIVABILITY
EcoFlow DELTA 3 Plus +20
57
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 source
claimed sourceankersolix.com ↗2026-07-04The marketing number — total cell capacity.
AC deliveredmeasured
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
EcoFlow DELTA 3 Plus
Rated (on the box)
1,024 Wh. Show source
claimed sourceus.ecoflow.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.
03 · Same assumptions
Same-device runtime
| Device | Anker SOLIX C1000 | EcoFlow DELTA 3 Plus | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 11.9 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 26 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 | EcoFlow DELTA 3 Plus |
|---|---|---|
| AC-delivered capacity | 860 Whverified. Show sourceverified source~860 Wh usable (~81% of 1,056 Wh rated) (OutdoorGearLab)2026-07-04 | 870 Whest.. Show sourceestimated sourceus.ecoflow.com ↗2026-07-04 |
| Continuous power output | 1,800 W. Show sourceclaimed sourceankersolix.com ↗2026-07-04 | 1,800 W. Show sourceclaimed sourceus.ecoflow.com ↗2026-07-04 |
| Surge power output | 2,400 W. Show sourceclaimed sourceankersolix.com ↗2026-07-04 | 3,600 W. Show sourceclaimed sourceus.ecoflow.com ↗2026-07-04 |
| Max solar input | 600 W. Show sourceclaimed sourceankersolix.com ↗2026-07-04 | 1,000 W. Show sourceclaimed sourceus.ecoflow.com ↗2026-07-04 |
| AC charge time (0–100%) | 58 min. Show sourceclaimed sourceankersolix.com ↗2026-07-04 | 56 min. Show sourceclaimed sourceus.ecoflow.com ↗2026-07-04 |
| Weight | 12.9 kg. Show sourceclaimed sourceankersolix.com ↗2026-07-04 | 12.5 kg. Show sourceclaimed sourceus.ecoflow.com ↗2026-07-04 |
| Rated cycle life | 3,000 cycles. Show sourceclaimed sourcecdn.solarpowersupply.eu ↗2026-07-04 | 4,000 cycles. Show sourceclaimed sourceus.ecoflow.com ↗2026-07-04 |
Only show differences
- AC-delivered capacity860 Wh870 Wh
- Surge power output2,400 W3,600 W
- Max solar input600 W1,000 W
- AC charge time (0–100%)58 min56 min
- Weight12.9 kg12.5 kg
- Rated cycle life3,000 cycles4,000 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 #10 of 10 in Best 1,000 Wh Stations
- EcoFlow DELTA 3 Plus #1 Midsize (1 kWh class) in Best Portable Power Stations · #1 of 10 in Lightest Power Stations
Where to buy
Affiliate links: we may earn a commission if you buy, at no extra cost to you. Commission never affects our rankings.
Anker SOLIX C1000
EcoFlow DELTA 3 Plus
Quick answers
- Is the Anker SOLIX C1000 better than the EcoFlow DELTA 3 Plus?
- EcoFlow DELTA 3 Plus leads by 12 points overall.
- Which has more usable capacity, the Anker SOLIX C1000 or EcoFlow DELTA 3 Plus?
- Neither, in any way you would notice: 860 Wh against 870 Wh is a 1.2% 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 or EcoFlow DELTA 3 Plus?
- 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 3,600 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 3 Plus?
- They run within 1.2% 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 3 Plus?
- They are effectively the same to carry — 12.9 kg against 12.5 kg. Neither is meaningfully easier to move, so portability should not decide this one.
- Which model should I buy for my use case?
- On the sub-scores that describe each use case: the EcoFlow DELTA 3 Plus for home backup, cpap & bedroom, 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 →
- Full scorecard, specs & price for EcoFlow DELTA 3 Plus →
- See more alternatives to Anker SOLIX C1000 →
- See more alternatives to EcoFlow DELTA 3 Plus →
- 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 →