Answer

Can the EcoFlow RIVER 2 run Lasko 755320 ceramic heater, high?

Won't run

Won't run. 1,500 W is above the 300 W continuous output, and it is outside the 600 W X-Boost that Willrun will apply to simple heaters. Estimated runtime: no runtime, because it will not stay on.

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The comparison

EcoFlow RIVER 2Lasko 755320 ceramic heater, high
Continuous output / running draw300 W1,500 W
Surge or peakNot applied to motors1,500 W
Resistive boostX-Boost 600 WEligible
Capacity / average draw256 Wh nameplate, 218 Wh usable1,500 W
Runtime—
SourcesStation sourceAppliance source

Questions

Can the EcoFlow RIVER 2 run Lasko 755320 ceramic heater, high?

Won't run. 1,500 W is above the 300 W continuous output, and it is outside the 600 W X-Boost that Willrun will apply to simple heaters. Estimated runtime: no runtime, because it will not stay on.

What watts were compared?

Station continuous output is 300 W. No motor-surge rating is applied. Appliance running draw is 1,500 W. Published appliance peak is 1,500 W.

How was the runtime calculated?

256 Wh × 0.85 = 218 Wh usable, divided by 1,500 W average draw.

Where did the numbers come from?

US/CA comparison table: 256 Wh, 2 AC outlets at 300 W, X-Boost 600 W, 7.7 lb, LiFePO4, 3,000 cycles to 80%+. EcoFlow describes the 600 W figure as surge with X-Boost. Willrun treats it as a resistive boost, not motor-start capacity. The manual language for X-Boost says it suits heating devices. Lasko lists 120 V, current 7.5 A to 12.5 A, and energy output 900 W to 1,500 W. High is 1,500 W. A resistive element does not have a separate motor surge, so surge is set equal to the high setting. The thermostat cycles in real rooms; this entry assumes the high element is on.

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