EcoFlow RIVER 2 Max vs Westinghouse iGen600s
What is the difference?
The EcoFlow RIVER 2 Max has 500 W of power, 1 kW peak, a 512 Wh battery. The Westinghouse iGen600s has 600 W of power, 1.2 kW peak, a 592 Wh battery.
The EcoFlow RIVER 2 Max weighs 13 lb, the Westinghouse iGen600s weighs 11 lb. The Westinghouse iGen600s is easier to carry.
The EcoFlow RIVER 2 Max has a 5-year warranty, the Westinghouse iGen600s has a 2-year warranty.
Both have 120 V AC output.
Specs side by side
| EcoFlow RIVER 2 Max | Westinghouse iGen600s | |
|---|---|---|
| Capacity (Wh) | 512 | 592 |
| Continuous (W) | 500 | 600 |
| Peak (W) | 1000 | 1200 |
| Solar input (W) | 220 | — |
| Chemistry | LiFePO4 | — |
| Cycles | 3000 | — |
| Expandable | — | — |
| Weight (lb) | 13 | 11 |
| Warranty (yr) | 5 | 2 |
| Fridge run time | 9.7 h | 11.2 h |
| CPAP run time | 11.6 h | 13.4 h |
| Wi-Fi router run time | 33.8 h | 39.1 h |
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Specs as read from manufacturer pages on 2026-10-31 / 2026-10-26. Specs one maker does not list are left out of the comparison. Run times are for that appliance alone with a typical duty cycle, after inverter and depth-of-discharge losses. Sponsored links; we may earn a commission.
Common questions
Which has more capacity, EcoFlow RIVER 2 Max or Westinghouse iGen600s?
The Westinghouse iGen600s. More capacity: 592 Wh vs 512 Wh.
Which is lighter, EcoFlow RIVER 2 Max or Westinghouse iGen600s?
The Westinghouse iGen600s. Lighter: 11 lb vs 13 lb.
Which has the longer warranty, EcoFlow RIVER 2 Max or Westinghouse iGen600s?
The EcoFlow RIVER 2 Max. Longer warranty: 5 years vs 2 years.
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Compare other models → · All EcoFlow models · All Westinghouse models