Head to head
Anker SOLIX F3800 vs EcoFlow DELTA Pro 3
Anker SOLIX · Power Station
Anker SOLIX F3800
~$2,199
6,000 W / 9,000 W surge · up to furnace blower, sump pump or a window AC
EcoFlow · Power Station
EcoFlow DELTA Pro 3
~$2,399
4,000 W / 8,000 W surge · up to furnace blower, sump pump or a window AC
Quick takeThe Anker SOLIX F3800 lists about $200 lower; the Anker SOLIX F3800 puts out more sustained power (6,000 W).
| Spec | Anker SOLIX F3800 | EcoFlow DELTA Pro 3 |
|---|---|---|
| Approx. price | ~$2,199 | ~$2,399 |
| Type | Power Station | Power Station |
| Fuel | Battery (LiFePO4) | Battery (LiFePO4) |
| Running / output watts | 6,000 W | 4,000 W |
| Starting / surge watts | 9,000 W | 8,000 W |
| Battery capacity | 3,840 Wh | 4,096 Wh |
| Expandable to | 26,880 Wh | 48,000 Wh |
| Noise | — | 30 dB |
| Runtime | Fridge (~150W): ~21 hrs on base unit; ~7 days with all six expansion batteries | Fridge (~150W): ~23 hrs on base unit |
| Outlets | 6x 120V 20A (NEMA 5-20R), 1x 120/240V 30A (L14-30R), 1x 120/240V 50A (14-50R), 3x 100W USB-C, 2x 12W USB-A | 7x AC incl. 120/240V 30A L14-30 & 30A TT-30, 2x 140W USB-C, 2x USB-A |
| Fuel tank | — | — |
| Weight | 132.3 lbs | 113.5 lbs |
| Transfer-switch ready | Yes | Yes |
| Warranty | 5-year | 5-year |
Highlighted cell is the better figure for that row.
Owner pros and cons
Anker SOLIX F3800
- +6,000W continuous at 120V and 240V, with L14-30 and 14-50 outlets
- +9,000W surge starts central AC or a well pump
- +Scales to about 27kWh on one unit; 12kW and 53.8kWh across two
- +Supports AC coupling with an existing solar system
- +3,840Wh LFP rated 3,000+ cycles
- −132 lbs even on wheels; a two-person lift on stairs
- −Expansion batteries cost nearly as much as another station per kWh
- −No published noise figure, fans are audible under heavy load
- −Solar input tops out at 2,400W across two 1,200W inputs, below what the Plus model accepts
- −240V output is unavailable while the unit is charging from 120V AC
EcoFlow DELTA Pro 3
- +True 4000W / 8000W surge with 240V L14-30 - runs well pumps and dryers solo
- +Much quieter than the original DELTA Pro, according to an owner who upgraded
- +Expandable to 12kWh per unit, 48kWh system - grow as budget allows
- +10ms UPS keeps servers and fish tanks alive through switchover
- +2600W solar input recharges it in a real morning of sun
- +Massive 2026 price drops - routinely ~$2,000-2,400 vs $3,699 launch
- −113.5 lbs; wheels help but two people needed for stairs or truck beds
- −Fan noise ramps sharply during 1800W+ fast charging
- −Warranty has been refused on units bought from EcoFlow's own Amazon storefront
- −Firmware has been rocky: a 2026 build was withdrawn after release