EcoFlow RIVER 2 Max vs Goal Zero Yeti 500

What is the difference?

The EcoFlow RIVER 2 Max has 500 W of power, 1 kW peak, a 512 Wh battery. The Goal Zero Yeti 500 has 500 W of power, 1 kW peak, a 499.2 Wh battery.

Both use LiFePO4 batteries.

The EcoFlow RIVER 2 Max is rated for 3000 cycles, the Goal Zero Yeti 500 is rated for 4000 cycles.

The EcoFlow RIVER 2 Max takes up to 220 W from solar, the Goal Zero Yeti 500 takes up to 200 W from solar. The EcoFlow RIVER 2 Max charges faster from panels.

The EcoFlow RIVER 2 Max weighs 13 lb, the Goal Zero Yeti 500 weighs 16 lb. The EcoFlow RIVER 2 Max is easier to carry.

Both have a 5-year warranty.

Both have 120 V AC output.

Specs side by side

	EcoFlow RIVER 2 Max	Goal Zero Yeti 500
Capacity (Wh)	512	499.2
Continuous (W)	500	500
Peak (W)	1000	1000
Solar input (W)	220	200
Chemistry	LiFePO4	LiFePO4
Cycles	3000	4000
Expandable	—	—
Weight (lb)	13	16
Warranty (yr)	5	5
Fridge run time	9.7 h	9.4 h
CPAP run time	11.6 h	11.3 h
Wi-Fi router run time	33.8 h	32.9 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 is lighter, EcoFlow RIVER 2 Max or Goal Zero Yeti 500?

The EcoFlow RIVER 2 Max. Lighter: 13 lb vs 16 lb.

Which charges faster from solar, EcoFlow RIVER 2 Max or Goal Zero Yeti 500?

The EcoFlow RIVER 2 Max. Faster solar charging: 220 W input vs 200 W input.

More comparisons

Compare other models → · All EcoFlow models · All Goal Zero models