Anker SOLIX C1000
59BatteryRank score · Balanced
$429.98as of
Good price← CompareCheck price on Amazon 
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Anker SOLIX C1000 vs EcoFlow DELTA 2
Decision readout
Better station
Too close to call overall — choose by how and where you use it.
Better buy today
No price tie-breaker today — choose based on fit and the sourced details.
EcoFlow DELTA 2
57BatteryRank score · Balanced
$429as of
Fair priceWhat changes the decision
- 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
01 · Score evidence
Score breakdown
59
Anker SOLIX C1000
Overall
57
EcoFlow DELTA 2
57
POWER
Anker SOLIX C1000 +5
52
Battery-side usable capacity and how much you can run at once.
70
TRUST
Anker SOLIX C1000 +2
68
Owner reputation, safety record, warranty, and build durability.
58
CHARGING
Anker SOLIX C1000 +26
32
Wall and solar recharge speed.
41
LIVABILITY
EcoFlow DELTA 2 +38
79
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 2
Rated (on the box)
1,024 Wh. Show source
claimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.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 | 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 →
04 · Sourced hardware
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 sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ |
| Surge power output | 2,400 W. Show sourceclaimed sourceankersolix.com ↗ | 2,700 W. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ |
| Max solar input | 600 W. Show sourceclaimed sourceankersolix.com ↗ | 500 W. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ |
| AC charge time (0–100%) | 58 min. Show sourceclaimed sourceankersolix.com ↗ | 72 min. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ |
| Weight | 12.9 kg. Show sourceclaimed sourceankersolix.com ↗ | 12 kg. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ |
| Rated cycle life | 3,000 cycles. Show sourceclaimed sourceankersolix.com ↗ | 3,000 cycles. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.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.
05 · Tracked street price
Price & fair-price verdict
EcoFlow DELTA 2
$429as of Fair price
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
- Anker SOLIX C1000 #8 of 10 in Best Power Stations Under $500
- EcoFlow DELTA 2 #8 of 8 in Quietest Power Stations
Quick answers
- Is the Anker SOLIX C1000 better than the EcoFlow DELTA 2?
- Too close to call overall — choose by how and where you use it. No price tie-breaker today — choose based on fit and the sourced details.
- How are these two power stations compared?
- Both are scored by the BatteryRank formula across four pillars — power, trust, charging, and livability — over sourced specs, owner reputation, and durability. Capacity scoring uses battery-side usable watt-hours; this page separately shows estimated or measured AC-delivered capacity. Price is shown against each model's own history, and the score is price-independent.
- Which has more usable capacity, the Anker SOLIX C1000 or EcoFlow DELTA 2?
- Use the capacity-truth section for the model-specific comparison. It separates rated battery energy from estimated or independently measured AC-delivered energy, so nameplate watt-hours are not mistaken for outlet runtime.
- Which has more AC output, the Anker SOLIX C1000 or EcoFlow DELTA 2?
- The key-differences table compares continuous inverter output and surge output when both sourced readings exist. A missing input stays N/A and never creates a winner.
- Which is lighter, the Anker SOLIX C1000 or EcoFlow DELTA 2?
- The key-differences table marks the lighter station only when both manufacturer-sourced weight readings are present. Open each model dossier for dimensions and the full portability context.
- Which is the better price today, the Anker SOLIX C1000 or EcoFlow DELTA 2?
- The decision dashboard evaluates each timestamped street price against that model's own tracked history. Price is separate from the quality score, and no deal claim appears without sufficient history.
- How does runtime compare between the Anker SOLIX C1000 and EcoFlow DELTA 2?
- The runtime table uses the same sourced device loads and each model's AC-delivered capacity. Results are planning estimates, not hands-on tests, and appear only when both models have enough data.
- Which model should I buy for my use case?
- Use the persona-fit section as a starting point, then confirm required output, runtime, charging, portability, and today's price. BatteryRank declares a use-case winner only when both sides have the needed inputs.
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 →
- Capacity vs output explained →
- Battery cycle-life thresholds →
- UPS behavior explained →