EcoFlow DELTA 2 Max vs. EcoFlow DELTA Pro
Should you get the 2,048Wh DELTA 2 Max or step up to the 3,600Wh DELTA Pro?
The DELTA 2 Max (~50 lbs) covers most homeowners: it runs refrigerators, freezers and sump pumps and can still be carried by hand. Step up to the 99 lb wheeled DELTA Pro if you want 3,600Wh in one box or plan to feed a home transfer switch through its 30A outlet.
EcoFlow DELTA 2 Max
Multi-day fridge + freezer, sump pumps, window AC & power tools
2,048Wh with a 2,400W inverter (4,800W surge) and up to 1,000W of solar input. At about 50 lbs it's the lightest 2kWh unit on our list, and it expands to 6,144Wh.
- 2,400W continuous / 4,800W surge for motor loads like sump pumps
- Up to 1,000W solar input
- Expandable to 6,144Wh with two extra batteries
Paid link. As an Amazon Associate I earn from qualifying purchases.
EcoFlow DELTA Pro (3,600Wh)
Multi-day outages, transfer-switch home backup & off-grid cabins
3,600Wh with a 3,600W inverter (7,200W surge) and up to 1,600W of solar input. Expandable to 10.8kWh, but at 99 lbs it's built to roll, not carry.
- 3,600Wh, the largest capacity on our list
- 3,600W continuous / 7,200W surge
- Up to 1,600W solar input; expandable to 10.8kWh with two extra batteries
Paid link. As an Amazon Associate I earn from qualifying purchases.
Real-World Appliance Runtime Comparison: EcoFlow DELTA 2 Max vs. EcoFlow DELTA Pro
| Household / Off-Grid Appliance | Wattage (Surge) | EcoFlow DELTA 2 Max | EcoFlow DELTA Pro (3,600Wh) |
|---|---|---|---|
| Full-Size Fridge | 160W (650W) | 25.2 hrs (~1.1 days) | 44.3 hrs (~1.8 days) |
| Chest Freezer | 120W (550W) | 37.8 hrs (~1.6 days) | 66.5 hrs (~2.8 days) |
| CPAP Machine | 45W (60W) | 32.8 hrs (~1.4 days) | 57.7 hrs (~2.4 days) |
| Sump Pump (1/3 HP) | 800W (1800W) | 13.6 hrs | 23.9 hrs |
| Pellet Stove | 135W (450W) | 14.2 hrs | 24.9 hrs (~1.0 days) |
| Gas Furnace Blower | 550W (1200W) | 7.6 hrs | 13.4 hrs |
| Starlink Internet | 65W (110W) | 23.8 hrs | 41.9 hrs (~1.7 days) |
| 12V Camping Fridge | 45W (90W) | 72.5 hrs (~3.0 days) | 127.5 hrs (~5.3 days) |
| Wi-Fi Router & Modem | 25W (35W) | 52.8 hrs (~2.2 days) | 92.7 hrs (~3.9 days) |
| Microwave Oven | 1500W (1800W) | 1.2 hrs | 2 hrs |
| Coffee Maker / Keurig | 1200W (1450W) | 1.4 hrs | 2.5 hrs |
| Electric Blanket | 65W (75W) | 32.2 hrs (~1.3 days) | 56.7 hrs (~2.4 days) |
| Well Pump (1/2 HP) | 950W (2200W) | 11.5 hrs | 20.3 hrs |
| Space Heater (Low 750W) | 750W (850W) | 3 hrs | 5.4 hrs |
| Window AC (6,000 BTU) | 550W (1400W) | 5.2 hrs | 9.1 hrs |
| Oxygen Concentrator | 320W (500W) | 5.3 hrs | 9.3 hrs |
| Air Fryer / Toaster Oven | 1500W (1650W) | 1.4 hrs | 2.4 hrs |
| Induction Cooktop | 1300W (1600W) | 1.5 hrs | 2.6 hrs |
| Aquarium Heater & Filter | 180W (250W) | 19.6 hrs | 34.4 hrs (~1.4 days) |
| Garage Door Opener | 550W (1100W) | 3.1 hrs | 5.5 hrs |
| Laptop + Monitor | 85W (120W) | 21.8 hrs | 38.3 hrs (~1.6 days) |
| Lights, Phones & Fan | 75W (110W) | 21 hrs | 36.9 hrs (~1.5 days) |