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.

As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.

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 $999.99
BrandEcoFlowAnker
Released
Rated power watts 220 400
Cell efficiency pct 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 2026-07-11).

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

← All portable solar panels compared · Open data