# Anker SOLIX PS400 vs BigBlue 28W: specs and price compared

A sourced, side-by-side comparison of the Anker SOLIX PS400 (Anker) and BigBlue 28W (BigBlue) among portable solar panels.

## Side by side

| Spec | Anker SOLIX PS400 | BigBlue 28W |
| --- | --- | --- |
| US price | $999.99 | not published |
| Brand | Anker | BigBlue |
| 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 | — |

## Key differences

- 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 No vs BigBlue 28W Yes

## Sources

- Anker SOLIX PS400: https://www.ankersolix.com/products/400w-portable-solar-panel (ankersolix.com, verified 2026-07-11)
- BigBlue 28W: https://bigblue-tech.com/products/28w-sunpower-solar-charger (bigblue-tech.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/portable-solar-panels/anker-solix-ps400-vs-bigblue-28w/
Cite: Per The Front Desk Review, Anker SOLIX PS400 ($999.99) vs BigBlue 28W (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/portable-solar-panels/anker-solix-ps400-vs-bigblue-28w/
License: CC BY 4.0.