EcoFlow RIVER 2 Pro vs Vtoman FlashSpeed 1000

What is the difference?

The EcoFlow RIVER 2 Pro has 800 W of power, 1.6 kW peak, a 768 Wh battery. The Vtoman FlashSpeed 1000 has 1 kW of power, 2 kW peak, a 828 Wh battery.

Both use LiFePO4 batteries.

Both are rated for 3000 cycles.

The EcoFlow RIVER 2 Pro takes up to 220 W from solar, the Vtoman FlashSpeed 1000 takes up to 300 W from solar. The Vtoman FlashSpeed 1000 charges faster from panels.

Both have a 5-year warranty.

The Vtoman FlashSpeed 1000 can add extra batteries.

Specs side by side

	EcoFlow RIVER 2 Pro	Vtoman FlashSpeed 1000
Capacity (Wh)	768	828
Continuous (W)	800	1000
Peak (W)	1600	2000
Solar input (W)	220	300
Chemistry	LiFePO4	LiFePO4
Cycles	3000	3000
Expandable	—	yes
Weight (lb)	18	—
Warranty (yr)	5	5
Fridge run time	14.5 h	15.6 h
CPAP run time	17.4 h	18.7 h
Wi-Fi router run time	50.7 h	54.6 h
	Check on Amazon →	Check on Amazon →

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 Pro or Vtoman FlashSpeed 1000?

The Vtoman FlashSpeed 1000. More capacity: 828 Wh vs 768 Wh.

Which charges faster from solar, EcoFlow RIVER 2 Pro or Vtoman FlashSpeed 1000?

The Vtoman FlashSpeed 1000. Faster solar charging: 300 W input vs 220 W input.

More comparisons

Compare other models → · All EcoFlow models · All Vtoman models