EcoFlow DELTA 2 Max vs Fossibot F2400
Side-by-side on the specs that decide it — surge, capacity, runtime and price.
Both models' specs verified against manufacturer listings · Last updated
The short answer
Fossibot F2400 costs $700 less. Whether that gap is worth closing depends on what you need to run.
- Fossibot F2400 is 1.5 lb lighter (48.5 lb vs 50 lb).
- Fossibot F2400 is rated for 3,500 cycles vs 3,000 — meaningful if you cycle it daily.
We'd skip the EcoFlow DELTA 2 Max in this matchup. It costs $700 more than the Fossibot F2400 while matching or trailing it on capacity, surge and cycle life — there's no spec here that justifies the premium.
The surge sleeper. At 4800W it starts loads that stations twice its price can't — and most spec sheets bury that number behind the X-Boost figure.
Best for: Home backup where something with a compressor — fridge, freezer, window AC — has to start reliably.
Where it falls short:
- 50 lb is heavy for its capacity
- Marketing leads with the 3400W X-Boost number, which understates it
A value-brand 2kWh that undercuts the majors sharply while matching them on the specs that matter — 2,400W output and a strong 4,800W surge.
Best for: Bargain hunters who want high surge and 2kWh for the least money.
Where it falls short:
- 500W solar input is low for 2kWh
- Support network trails the majors
| Spec | EcoFlow DELTA 2 Max | Fossibot F2400 |
|---|---|---|
| Price | $1599 | $899 |
| Capacity | 2048 Wh | 2048 Wh |
| Continuous output | 2400 W | 2200 W |
| Surge output | 4800 W | 4800 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,500 |
| Weight (lighter wins) | 50 lb | 48.5 lb |
| Max solar | 1000 W | 500 W |
| Recharge time (faster wins) | 1h 30m | 1h 30m |
Runtime head-to-head
| Appliance | EcoFlow DELTA 2 Max | Fossibot F2400 |
|---|---|---|
| Refrigerator | 29.0 hrs | 29.0 hrs |
| Mini fridge | 55.3 hrs | 55.3 hrs |
| Chest freezer | 21.8 hrs | 21.8 hrs |
| CPAP machine | 43.5 hrs | 43.5 hrs |
| Sump pump | 2.2 hrs | 2.2 hrs |