EcoFlow RIVER 2 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
EcoFlow RIVER 2 costs $700 less. Whether that gap is worth closing depends on what you need to run.
- Fossibot F2400 holds 700% more energy (2048Wh vs 256Wh), so it runs the same load proportionally longer.
- Fossibot F2400 has 4200W more surge headroom (4800W vs 600W) — that decides whether a fridge, pump or AC compressor will actually start.
- EcoFlow RIVER 2 is 40.8 lb lighter (7.7 lb vs 48.5 lb).
- Fossibot F2400 is rated for 3,500 cycles vs 3,000 — meaningful if you cycle it daily.
EcoFlow RIVER 2
The cheapest way into LiFePO4. 256Wh is a device charger, but at under $200 with a 60-minute recharge it's hard to argue with.
Best for: Budget campers who just need to keep phones, cameras and a laptop alive.
Where it falls short:
- 300W output runs devices only
- 256Wh is a single evening of real use
Fossibot F2400
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 RIVER 2 | Fossibot F2400 |
|---|---|---|
| Price | $199 | $899 |
| Capacity | 256 Wh | 2048 Wh |
| Continuous output | 300 W | 2200 W |
| Surge output | 600 W | 4800 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,500 |
| Weight (lighter wins) | 7.7 lb | 48.5 lb |
| Max solar | 110 W | 500 W |
| Recharge time (faster wins) | 1h | 1h 30m |
Runtime head-to-head
| Appliance | EcoFlow RIVER 2 | Fossibot F2400 |
|---|---|---|
| Refrigerator | ❌ | 29.0 hrs |
| Mini fridge | 6.9 hrs | 55.3 hrs |
| Chest freezer | ❌ | 21.8 hrs |
| CPAP machine | 5.4 hrs | 43.5 hrs |
| Sump pump | ❌ | 2.2 hrs |