EcoFlow DELTA 2 Portable Power Station vs EcoFlow RIVER 2 Max Portable Power Station

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

EcoFlow

$599

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vs

EcoFlow

$399

Buy on Amazon

Spec Winner

EcoFlow DELTA 2 Portable Power Station

Wins on 4 of 6 spec categories

Spec-by-Spec Comparison

SpecEcoFlow DELTA 2 Portable Power StationEcoFlow RIVER 2 Max Portable Power Station
Capacity1024 Wh512 Wh
AC output1800 W500 W
Surge2700 W1000 W
BatteryLiFePO4LiFePO4
Cycle life3000 cycles3000 cycles
Solar input500 W220 W
AC recharge1.3 hr1 hr
Weight27 lb13.4 lb
UPS/EPSEPS/pass-through; verify loadsEPS/pass-through; not medical UPS
Ports15 outputs11 outputs
ExpandableYesNo
Price$599$399
Rating8.6/108.5/10
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Pros & Cons

EcoFlow DELTA 2 Portable Power Station

Pros

  • 1024Wh capacity and 1800W output define the modern home-essentials starter tier
  • 500W solar input and fast AC recharge make it easier to recover between uses
  • Expansion battery support gives it a growth path many 768Wh stations lack

Cons

  • Newer DELTA 3 Plus improves solar input and surge behavior
  • 27 lb weight is manageable but no longer casual
  • One kilowatt-hour can still be marginal for refrigerators, CPAP, and router together overnight

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

Our Verdicts

EcoFlow DELTA 2 Portable Power Station

The DELTA 2 remains a canonical 1kWh comparison point. It is a good essentials station if discounted, but the DELTA 3 Plus is the sharper EcoFlow pick when prices are close.

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.

EcoFlow DELTA 2 Portable Power Station

$599

Buy on Amazon

EcoFlow RIVER 2 Max Portable Power Station

$399

Buy on Amazon

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