Anker SOLIX F3800
61BatteryRank score
$1,699.99as of 2026-07-11
Great price← CompareCheck price on Amazon 
Check price on Amazon
Anker SOLIX F3800 vs EcoFlow DELTA 3 Ultra
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 Ultra
59BatteryRank score
$1,299as of 2026-07-11
Good priceWhat changes the decision
- Home backup: Anker SOLIX F3800 — more usable capacity and AC output
- Camping & RV: EcoFlow DELTA 3 Ultra — lighter and easier to carry
01 · Score evidence
Score breakdown
61
Anker SOLIX F3800
Overall
59
EcoFlow DELTA 3 Ultra
76
POWER
Anker SOLIX F3800 +21
55
Usable capacity and how much you can run at once.
66
TRUST
Anker SOLIX F3800 +5
61
Owner reputation, safety record, warranty, and build durability.
28
CHARGING
EcoFlow DELTA 3 Ultra +33
61
Wall and solar recharge speed.
36
LIVABILITY
EcoFlow DELTA 3 Ultra +29
65
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
Rated (on the box)3,840 Wh
The marketing number — total cell capacity.
Usable (at the outlet, est.)3,264 Wh
What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
EcoFlow DELTA 3 Ultra
Rated (on the box)3,072 Wh
The marketing number — total cell capacity.
Usable (at the outlet, est.)2,611 Wh
What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
03 · Sourced hardware
Key specs, side by side
| Spec | Anker SOLIX F3800 | EcoFlow DELTA 3 Ultra |
|---|---|---|
| Usable capacity | 3,840 Wh | 3,072 Wh |
| Continuous power output | 6,000 W | 3,600 W |
| Surge power output | 9,000 W | 7,200 W |
| Max solar input | 2,400 W | 800 W |
| AC charge time (0–100%) | 162 min | 89 min |
| Weight | 60 kg | 32.7 kg |
| Rated cycle life | 3,000 cycles | 4,000 cycles |
Manufacturer-claimed unless marked verified (FCC/UL/DOE/lab). Hover any figure for its source. The better reading in each row is highlighted — lower wins for weight and recharge time.
04 · Tracked street price
Price & fair-price verdict
Anker SOLIX F3800
$1,699.99as of 2026-07-11Great price
EcoFlow DELTA 3 Ultra
$1,299as of 2026-07-11Good price
Each verdict compares today's price against that model's own tracked history — never MSRP theater.