BLUETTI EB70S vs EcoFlow RIVER 2 Pro

BLUETTI EB70S and EcoFlow RIVER 2 Pro hold almost the same battery and sell to the same person, which means the decision comes down to the details around the pack rather than the pack itself.

Two machines aimed at the same buyer

EcoFlow RIVER 2 Pro holds a slim 7% more battery — 768Wh against 716Wh — and that is what decides how long either one lasts on the same load.

Both invert to 800W, 4 outlets, so the same appliances are on and off the table for either.

EcoFlow RIVER 2 Pro is the lighter of the two at Approximately 18.2lbs, by 3.2 lb.

EcoFlow RIVER 2 Pro takes 220W of solar against 200W, which only matters if a panel is your way back to full — and matters a great deal if it is.

EcoFlow RIVER 2 Pro refills faster from the wall, accepting 940W against 200W.

Drawn from 7 specifications each maker publishes, of which 7 differ. We have not handled either machine — see our methodology.

Side by side

SpecificationBLUETTI EB70SEcoFlow RIVER 2 Pro
Battery capacity 716Wh 768Whbetter
AC output 800W, 4 outlets 800W
Max solar input 200W 220Wbetter
AC input 200W 940Wbetter
Cell chemistry LiFePO4 LFP
Weight 21.4 lbs Approximately 18.2lbsbetter
Dimensions 12.6x8.5x8.7 in 270 x 260 x 226mm

What that capacity actually runs

Watt-hours are hard to picture, so here is each pack as runtime on the loads a machine this size is usually bought for. Both columns assume 85% inverter efficiency — the conservative end of what these are rated at — so read every figure as a floor.

LoadBLUETTI EB70SEcoFlow RIVER 2 Pro
Laptop (60W)10 hours11 hours
CPAP, no humidifier (40W)15 hours16 hours
12V camping fridge (45W average)14 hours15 hours
Starlink or router (55W)11 hours12 hours
Full-size fridge (150W average)4.1 hours4.4 hours

From solar alone, at 70% of the panel input each maker quotes — a realistic day rather than a lab figure — the BLUETTI EB70S needs about 5.1 hours of good sun to refill , and the EcoFlow RIVER 2 Pro about 5.0 hours.

Published by only one of them

A figure missing from a spec sheet is not a zero — it is a number the maker chose not to state. These appear on one page and not the other, so they cannot be compared, only noted.

Where this comparison stops

Everything above is what the makers publish, not what either machine did in front of us. We own neither, so there is no noise measurement, no thermal behaviour under sustained load, and no view on how either holds up after two years. Makers also measure differently — cycle life at 80% capacity is not the same test as cycle life at 70% — so figures that look comparable sometimes are not. Treat this as a way to build a shortlist quickly, and read the caveats on our methodology page before you let a number decide.

Check current prices

Neither figure above is a price. These two move independently and often, and whichever is discounted this week is usually the answer when the specifications are as close as they are here.

Affiliate links: we earn a commission on purchases made through them, at no extra cost to you. See our disclosure.

More on these

Specifications retrieved 2026-09-17 from bluettipower.com and us.ecoflow.com. Figures change without notice; check the maker's page before buying.