← Comparevs
Anker SOLIX
F3800 Plus
EcoFlow
DELTA Pro 3
BatteryRank scores the EcoFlow DELTA Pro 3 higher overall — 74 vs 64.
- Best for Home backup: EcoFlow DELTA Pro 3
- Best for Camping & RV: EcoFlow DELTA Pro 3
How they score
64
Anker SOLIX F3800 Plus
Score
74
EcoFlow DELTA Pro 3
76
POWER62
TRUST57
CHARGINGN/A
27
LIVABILITYComputed 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.
Anker SOLIX F3800 Plus
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 Pro 3
Rated (on the box)4,096 Wh
The marketing number — total cell capacity.
Usable (at the outlet)measured3,790 Wh
3790Wh usable at >93% efficiency (OutdoorGearLab) vs 4096 rated · 7% below the label
Key specs, side by side
| Spec | Anker SOLIX F3800 Plus | EcoFlow DELTA Pro 3 |
|---|---|---|
| Usable capacity | 3,840 Wh | 4,096 Wh |
| Continuous power output | 6,000 W | 4,000 W |
| Surge power output | 9,000 W | 8,000 W |
| Max solar input | 3,200 W | 2,600 W |
| Weight | 62 kg | 51.5 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.
Price & fair-price verdict
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
- EcoFlow DELTA Pro 3 #2 XL / home backup in Best Portable Power Stations · #3 of 8 in Best for Home Backup