Best Portable Solar Panels · head-to-head

Anker SOLIX PS400 vs BigBlue 28W

A sourced, side-by-side comparison. Anker SOLIX PS400 is cheaper at $999.99. Every spec and price links to its source.

Which is better: the Anker SOLIX PS400 or BigBlue 28W?

The BigBlue 28W wins 1 of the 1 specs we compare head to head; the other wins 0.

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Full spec sheet

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

Spec Anker SOLIX PS400 BigBlue 28W
US price $999.99
BrandAnkerBigBlue
Released
Rated power watts 400 28
Cell efficiency pct 23 25.4
Cell type monocrystalline monocrystalline
Open circuit voltage (V) 57.6
Short circuit current (A)
Weight (lb) 35.3 1.5
Folded dims (in) 39 x 26.6 x 2 in 11.1 x 6.3 x 1.4
Ingress protection IP67 IP44
Surface material ETFE
USB ports built (in) No Yes
Connector output MC4

Sources — Anker SOLIX PS400: ankersolix.com (verified 2026-07-11). BigBlue 28W: bigblue-tech.com (verified 2026-07-11).

What's the difference between the Anker SOLIX PS400 and BigBlue 28W?

Where the two actually differ on the specs we track (6 of 11). Matching specs are omitted.

  • Rated power watts: Anker SOLIX PS400 400 vs BigBlue 28W 28
  • Cell efficiency pct: Anker SOLIX PS400 23 vs BigBlue 28W 25.4
  • Weight (lb): Anker SOLIX PS400 35.3 vs BigBlue 28W 1.5
  • Folded dims (in): Anker SOLIX PS400 39 x 26.6 x 2 in vs BigBlue 28W 11.1 x 6.3 x 1.4
  • Ingress protection: Anker SOLIX PS400 IP67 vs BigBlue 28W IP44
  • USB ports built (in): Anker SOLIX PS400 false vs BigBlue 28W true

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