Power banks
Sandberg SemiSolidState Powerbank 20000 reviews
Product specifications and review coverage for this exact model.
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Product overview
Sandberg 421-49 is listed in the power banks category. The recorded specifications include battery capacity: 74 Wh; fast charging: Yes. This entry covers manufacturer code 421-49. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
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No scored critic reviews have been imported for this exact product yet. It remains unrated.
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Specifications
Manufacturer code: 421-49. Icecat product 145109865 · Checked 15 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
All 40 source specifications
| Number of simultaneously connected devices (max) | 2 |
|---|---|
| Product colour | Black |
| Charger compatibility | Universal |
| Built-in display | Yes |
| Display type | LCD |
| Shape | Rectangle |
| Charging source | USB |
| Battery voltage | 3.7 V |
| Battery capacity | 74 Wh |
| Built-in radio | No |
| Fast charging | Yes |
| Input interface | USB Type-C |
| USB Type-A output ports | 1 |
| USB Type-C ports quantity | 2 |
| USB Type-C charging port | Yes |
| Input voltage | 5/9 V |
| Input current | 3/2 A |
| Port 1 output power | 20 W |
| Port 2 output power | 18 W |
| Output voltage | 5/9/12 V |
| Output current | 3 A |
| Port 1 output current | 3 A |
| Port 2 output current | 3 A |
| Compliance certificates | CE, Federal Communications Commission (FCC), UKCA |
| Width | 68.8 mm |
| Depth | 143.8 mm |
| Height | 28 mm |
| Weight | 409 g |
| USB Type-C cable length | 30 cm |
| Cable length | 0 m |
| Cables included | USB Type-C to USB Type-C |
| Packaging content | 1 Sandberg SolidState Powerbank 20000 20W 1 Quick guide 1 Charge cable USB-C to USB-C 30 cm 1 GPSR Safety guide |
| Quick start guide | Yes |
| Package width | 91 mm |
| Package depth | 31 mm |
| Package height | 169 mm |
| Package weight | 500 g |
| Package type | Hanging box |
| Battery technology | Semi-solid-state |
| Warranty period | 5 year(s) |