Best Portable Solar Panels · head-to-head

EcoFlow 220W Bifacial Solar Panel vs Anker SOLIX PS400

A sourced, side-by-side comparison. EcoFlow 220W Bifacial Solar Panel is cheaper at $549. Every spec and price links to its source.

Which is better: the EcoFlow 220W Bifacial Solar Panel or Anker SOLIX PS400?

The EcoFlow 220W Bifacial Solar Panel wins 1 of the 1 specs we compare head to head; the other wins 0. The EcoFlow 220W Bifacial Solar Panel is the cheaper at $549. The EcoFlow 220W Bifacial Solar Panel both leads on specs and costs less — the straightforward pick.

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Full spec sheet

✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec EcoFlow 220W Bifacial Solar Panel Anker SOLIX PS400
US price $549 $699.99
BrandEcoFlowAnker
Released——
Rated power watts 220 400
Cell efficiency (%) 23 23
Cell type — monocrystalline
Open circuit voltage (V) 21.8 57.6
Short circuit current (A) 13 —
Weight (lb) 20.9 35.3
Folded dims (in) — 39 x 26.6 x 2 in
Ingress protection IP68 IP67
Surface material tempered-glass ETFE
USB ports built (in) — No
Connector output — MC4

Sources — EcoFlow 220W Bifacial Solar Panel: ecoflow.com (verified 2026-07-11). Anker SOLIX PS400: ankersolix.com (verified 2026-10-20).

What's the difference between the EcoFlow 220W Bifacial Solar Panel and Anker SOLIX PS400?

Where the two actually differ on the specs we track (5 of 11). Matching specs are omitted.

  • Rated power watts: EcoFlow 220W Bifacial Solar Panel 220 vs Anker SOLIX PS400 400
  • Open circuit voltage (V): EcoFlow 220W Bifacial Solar Panel 21.8 vs Anker SOLIX PS400 57.6
  • Weight (lb): EcoFlow 220W Bifacial Solar Panel 20.9 vs Anker SOLIX PS400 35.3
  • Ingress protection: EcoFlow 220W Bifacial Solar Panel IP68 vs Anker SOLIX PS400 IP67
  • Surface material: EcoFlow 220W Bifacial Solar Panel tempered-glass vs Anker SOLIX PS400 ETFE

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