BigBlue · Updated July 2026
BigBlue 28W: full specs
The BigBlue 28W has no published US price yet. It earns a Silver Deskmark — 48/100 pay-blind standing, #5 of 9 in class.
Verified Jul 11, 2026 · figures linked to their source in the table below
BigBlue 28W. Every price and spec below is linked to its source and dated — no guesses.
Source: bigblue-tech.com verified ✓ corroborated verify in ledger
Is the BigBlue 28W a good buy?
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.
Specifications
| 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). |
|---|---|
| Brand | BigBlue |
| Released | — |
| 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 | — |
Source: bigblue-tech.com (verified 2026-07-11) · corroborated by amazon.com. The BigBlue official store page (source) for the SolarPowa 28 — the current retail name for the BigBlue 28W (no ammeter) — states Rated Power 28W, conversion efficiency up to 25.4%, "Monocrystalline Solar Cell," Net Weight 0.68kg / 1.5 lbs, Folded Size 11.1 x 6.3 x 1.4 inches, and 1x USB-A + 2x USB-C ports. The Amazon.com listing (corroboration), titled "BigBlue 28W Solar Panel Charger with Dual USB-C and USB-A," confirms the exact same model — 28W, dual USB-C + USB-A (5V/3A each, 5V/4.8A total), IP44 waterproof, 25.4% efficiency, Monocrystalline Silicon cells, 1.5 lbs, folds to 11x6x1.4 inches — matching the manufacturer spec sheet and confirming model identity (not a different wattage or the ammeter variant). Neither page displayed a US-dollar price (both geo-resolved to EUR), so priceUsd is left null; Voc, Isc, and surface-laminate material (described only as "polymer," not an ETFE/PET/glass/PDMS enum value) are not disclosed and are null.
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.
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