Head to head
EcoFlow DELTA 3 Max vs EcoFlow DELTA 2 Max
EcoFlow · Power Station
EcoFlow DELTA 3 Max
~$1,199
2,400 W / 4,800 W surge · up to fridge, freezer and the essentials
EcoFlow · Power Station
EcoFlow DELTA 2 Max
~$1,299
2,400 W / 4,800 W surge · up to fridge, freezer and the essentials
Quick takeThe EcoFlow DELTA 3 Max lists about $100 lower.
| Spec | EcoFlow DELTA 3 Max | EcoFlow DELTA 2 Max |
|---|---|---|
| Approx. price | ~$1,199 | ~$1,299 |
| Type | Power Station | Power Station |
| Fuel | Battery (LiFePO4) | Battery (LiFePO4) |
| Running / output watts | 2,400 W | 2,400 W |
| Starting / surge watts | 4,800 W | 4,800 W |
| Battery capacity | 2,048 Wh | 2,048 Wh |
| Expandable to | — | 6,144 Wh |
| Noise | 25 dB | — |
| Runtime | Fridge (~150W): ~11 hrs on base unit (noise figure is at 600W load) | Fridge (~150W): ~11 hrs on base unit; ~33 hrs with two extra batteries |
| Outlets | 4x 120V 20A AC, 1x 100W USB-C, 2x 30W USB-C, 1x 18W USB-A | 6x 120V AC, 2x 100W USB-C, 2x 12W USB-A, 2x 18W USB-A fast charge, 12V car, 2x DC5521 |
| Fuel tank | — | — |
| Weight | 44.8 lbs | 50 lbs |
| Transfer-switch ready | No | No |
| Warranty | 3-year standard, 5-year with app registration | 5-year with app registration |
Highlighted cell is the better figure for that row.
Owner pros and cons
EcoFlow DELTA 3 Max
- +2,400W continuous with 4,800W surge starts most single-motor appliances
- +Four 20A outlets, so no power strip for the core loads
- +Roughly 45 lbs, light for 2kWh of LiFePO4
- +10ms switchover works as a UPS for network gear
- −No L14-30 or other 30A outlet, so it cannot feed a transfer switch directly
- −Continuous output trails the Max Plus by 600W and surge by 1,200W
- −AC charge is slower than the Plus at 68 minutes to 80%
- −Not expandable; EcoFlow gives only the Plus an extra-battery path
- −App and cloud account are needed for full control
EcoFlow DELTA 2 Max
- +2,400W continuous with 4,800W surge, X-Boost to 3,400W
- +Six AC outlets plus dual 100W USB-C
- +1,800W AC input recharges quickly for the class
- −50 lbs is heavier than the newer DELTA 3 Max
- −No published noise figure
- −No 30A or 240V outlet
- −Charges slower than DELTA 3-generation units at similar money