Anker SOLIX F3800 Plus
64BatteryRank score · Balanced
$2,499.99as of
Fair price← CompareCheck price on Amazon 
Anker SOLIX F3800 Plus vs EcoFlow DELTA 3 Max
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 3 Max
66BatteryRank score · Balanced
No street price observed yet.
What changes the decision
- Home backup: Anker SOLIX F3800 Plus — more AC-delivered capacity and higher AC output
- Camping & RV: EcoFlow DELTA 3 Max — lighter and easier to carry
01 · Score evidence
Score breakdown
64
Anker SOLIX F3800 Plus
Overall
66
EcoFlow DELTA 3 Max
76
POWER
Anker SOLIX F3800 Plus +9
67
Battery-side usable capacity and how much you can run at once.
62
TRUST
EcoFlow DELTA 3 Max +6
68
Owner reputation, safety record, warranty, and build durability.
57
CHARGING
Anker SOLIX F3800 Plus +5
52
Wall and solar recharge speed.
27
LIVABILITY
EcoFlow DELTA 3 Max +47
74
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 F3800 Plus
Rated (on the box)
3,840 Wh. Show source
claimed sourceankersolix.com ↗2026-07-04The marketing number — total cell capacity.
AC delivered (est.)
3,264 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 3 Max
Rated (on the box)
2,048 Wh. Show source
claimed sourceus.ecoflow.com ↗2026-07-04The marketing number — total cell capacity.
AC delivered (est.)
1,741 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 F3800 Plus | EcoFlow DELTA 3 Max | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 45.3 nights | about 24.2 nights | 9 W · |
| CPAP (heated humidifier on) | about 7.3 nights | about 3.9 nights | 56 W · |
| Refrigerator (full-size) | about 52 hours | about 28 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 181 hours | about 97 hours | 18 W · |
| Laptop (65W charger) | about 100 hours | about 54 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 163 full charges | about 87 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 F3800 Plus | EcoFlow DELTA 3 Max |
|---|---|---|
| AC-delivered capacity | 3,264 Whest.. Show sourceestimated sourceankersolix.com ↗2026-07-04 | 1,741 Whest.. Show sourceestimated sourceus.ecoflow.com ↗2026-07-04 |
| Continuous power output | 6,000 W. Show sourceclaimed sourceankersolix.com ↗ | 2,400 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Surge power output | 9,000 W. Show sourceclaimed sourceankersolix.com ↗ | 4,800 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Max solar input | 3,200 W. Show sourceclaimed sourceankersolix.com ↗ | 500 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| AC charge time (0–100%) | — | 68 min. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Weight | 62 kg. Show sourceclaimed sourceankersolix.com ↗ | 20.3 kg. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Rated cycle life | 3,000 cycles. Show sourceclaimed sourceankersolix.com ↗ | 4,000 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.
05 · Tracked street price
Price & fair-price verdict
EcoFlow DELTA 3 Max
No street price observed yet · $1,499 MSRP.
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
- Anker SOLIX F3800 Plus #4 of 10 in Best Home-Office Backup Power Stations · #5 of 10 in Best Power Stations for Starlink
- EcoFlow DELTA 3 Max #4 of 10 in Best 2,000 Wh Stations · #6 of 10 in Best for RV & Van Life
Quick answers
- Is the Anker SOLIX F3800 Plus better than the EcoFlow DELTA 3 Max?
- 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 F3800 Plus or EcoFlow DELTA 3 Max?
- 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 F3800 Plus or EcoFlow DELTA 3 Max?
- 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 F3800 Plus or EcoFlow DELTA 3 Max?
- 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 F3800 Plus or EcoFlow DELTA 3 Max?
- 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 F3800 Plus and EcoFlow DELTA 3 Max?
- 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 F3800 Plus →
- Full scorecard, specs & price for EcoFlow DELTA 3 Max →
- See more alternatives to Anker SOLIX F3800 Plus →
- See more alternatives to EcoFlow DELTA 3 Max →
- 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 →