EcoFlow RIVER 2 Max Portable Power Station vs OUPES Mega 1 Portable Power Station

Head-to-head spec comparison to help you pick the right power station for your needs.

EcoFlow

$399

Buy on Amazon
vs

OUPES

$499

Buy on Amazon

Verdict

It's a Tie

The EcoFlow RIVER 2 Max Portable Power Station and OUPES Mega 1 Portable Power Station are evenly matched — your choice depends on which features matter most to you.

Spec-by-Spec Comparison

SpecEcoFlow RIVER 2 Max Portable Power StationOUPES Mega 1 Portable Power Station
Capacity512 Wh1024 Wh
AC output500 W2000 W
Surge1000 W4500 W
BatteryLiFePO4LiFePO4
Cycle life3000 cycles3500 cycles
Solar input220 W800 W
AC recharge1 hr1.5 hr
Weight13.4 lb27 lb
UPS/EPSEPS/pass-through; not medical UPSUPS/EPS; variant-specific
Ports11 outputsAC, USB-C, USB-A, DC
ExpandableNoNo
Price$399$499
Rating8.5/108.0/10
Buy on AmazonBuy on Amazon

Pros & Cons

EcoFlow RIVER 2 Max Portable Power Station

Pros

  • 512Wh capacity is the first tier that feels comfortable for overnight CPAP or longer router/laptop runtime
  • Fast AC recharge and 220W solar input beat many entry stations
  • 13.4 lb weight keeps it genuinely portable

Cons

  • 500W output is limiting for cooking appliances and some fridge startup cases
  • No expansion path if you later want a bigger home-backup system
  • Solar recovery still needs good sun and realistic panel expectations

OUPES Mega 1 Portable Power Station

Pros

  • 1024Wh LiFePO4 capacity with aggressive price positioning
  • 2000W output and high surge spec challenge bigger-brand 1kWh stations
  • Strong value foil for EcoFlow, Anker, Jackery, and BLUETTI comparisons

Cons

  • Variant names and solar-input specs need careful final verification
  • Brand trust and support history are not as strong as the category leaders
  • Best used as a value challenger, not the only recommendation for critical outage loads

Our Verdicts

EcoFlow RIVER 2 Max Portable Power Station

The RIVER 2 Max is the honest middle ground for CPAP, camping, laptops, and small outage loads. Size up if your plan includes a refrigerator or high-surge appliance.

OUPES Mega 1 Portable Power Station

Mega 1 is the high-output value challenger. It belongs on the shortlist when price matters, but verify the exact variant and seller before relying on it for outage planning.

EcoFlow RIVER 2 Max Portable Power Station

$399

Buy on Amazon

OUPES Mega 1 Portable Power Station

$499

Buy on Amazon

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