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EcoFlow 400W Portable Solar Panel

Ranked #3 of 9 in Best Portable Folding Solar Panels for Power Stations (2026). Here is every spec we scored, where it came from, and how it compares.

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#3

EcoFlow 400W Portable Solar Panel

Best for: 400 W in one fold-out piece for DELTA-class stations

6.4/10

What we like

  • 400 W in one panel
  • IP68
  • XT60 cable included

Watch out for

  • EcoFlow's page didn't list weight
  • Lower efficiency than the NextGen panels

Score breakdown

Rated power 30%
Watts per kg * 30%
Cell efficiency (listed) 20%
IP68 rated (listed) 10%
Bifacial (listed) 10%

* Not published by the manufacturer; scored at the category median so missing data neither helps nor hurts.

Rated power400 W
Watts per kgNot listed
Cell efficiency (listed)23 %
IP68 rated (listed)Yes
Bifacial (listed)No
Rated power400 W
EfficiencyUp to 23%
RatingIP68
StandSelf-supporting, adjustable angle
CableSolar-to-XT60 cable included
WeightNot listed on the EcoFlow page we read
PriceCheck price

EcoFlow 400W Portable Solar Panel head-to-head