# BigBlue 28W: specs and price

**Price (US):** Not published (No US-dollar MSRP appears verbatim on either fetched page. The BigBlue official store lists EUR64,95 and the Amazon.com listing (B01EXWCPLC) resolved to a EUR65.66 "Buy New" price — both geo-localized to Germany in this fetch. priceUsd left null rather than converting EUR to USD (which would be a guess).), as of 2026-07-11.
**Brand:** BigBlue
**Deskmark:** Silver Deskmark — pay-blind category standing 48/100, #5 of 9 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | Not published |
| Brand | BigBlue |
| Rated power watts | 28 |
| Cell efficiency pct | 25.4 |
| Cell type | monocrystalline |
| Open circuit voltage (V) | — |
| Short circuit current (A) | — |
| Weight (lb) | 1.5 |
| Folded dims (in) | 11.1 x 6.3 x 1.4 |
| Ingress protection | IP44 |
| Surface material | — |
| USB ports built (in) | Yes |
| Connector output | — |

## Where it stands

On the spec sheet, its cell efficiency pct of 25.4 is the highest of the 7, its rated power watts of 28 is below the median of the 9, and its weight of 1.5 lb is below the median of the 9.

## Frequently asked questions

**How much does the BigBlue 28W cost?**

The BigBlue 28W has no published US price as of 2026-07-11.

**What are the BigBlue 28W's key specs?**

BigBlue 28W (BigBlue): ratedPowerWatts 28, cellEfficiencyPct 25.4, cellType monocrystalline, weightLbs 1.5, foldedDimsIn 11.1 x 6.3 x 1.4. Full sourced spec sheet verified 2026-07-11.

Source: https://bigblue-tech.com/products/28w-sunpower-solar-charger (bigblue-tech.com, accessed 2026-07-11)
Corroboration: https://www.amazon.com/BigBlue-Foldable-Waterproof-SunPower-Cellphones/dp/B01EXWCPLC (accessed 2026-07-11)
Canonical: https://frontdeskreview.com/product/portable-solar-panels/bigblue-28w/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl