EcoFlow DELTA 3 Plus 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

$799

Buy on Amazon
vs

OUPES

$499

Buy on Amazon

Verdict

It's a Tie

The EcoFlow DELTA 3 Plus 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 DELTA 3 Plus Portable Power StationOUPES Mega 1 Portable Power Station
Capacity1024 Wh1024 Wh
AC output1800 W2000 W
Surge3600 W4500 W
BatteryLiFePO4LiFePO4
Cycle life4000 cycles3500 cycles
Solar input1000 W800 W
AC recharge0.9 hr1.5 hr
Weight27 lb27 lb
UPS/EPSUPS/EPS; verify transfer timeUPS/EPS; variant-specific
PortsAC, USB-C, USB-A, DCAC, USB-C, USB-A, DC
ExpandableYesNo
Price$799$499
Rating9.0/108.0/10
Buy on AmazonBuy on Amazon

Pros & Cons

EcoFlow DELTA 3 Plus Portable Power Station

Pros

  • 1024Wh LiFePO4 capacity with newer 4000-cycle-class spec
  • 1000W solar input is excellent for a 1kWh station
  • Fast AC recharge and high surge class make it a stronger current EcoFlow pick than DELTA 2

Cons

  • Pricing can jump if Amazon bundles panels or extras into the listing
  • Still not a whole-home station without expansion and load management
  • The higher solar ceiling only matters if you buy enough compatible panel capacity

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 DELTA 3 Plus Portable Power Station

The DELTA 3 Plus is the 1kWh EcoFlow to buy when the price is sane. Its solar input and recharge speed make it a better outage/RV starter than older 1kWh stations.

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 DELTA 3 Plus Portable Power Station

$799

Buy on Amazon

OUPES Mega 1 Portable Power Station

$499

Buy on Amazon

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