Power banks
Sandberg Powerbank 20000 PD20W Connect reviews
Product specifications and review coverage for this exact model.
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Product overview
Sandberg 421-12 is listed in the power banks category. The recorded specifications include battery capacity: 77 Wh; fast charging: Yes; usb type-c connector: Yes. This entry covers manufacturer code 421-12. 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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Specifications
Manufacturer code: 421-12. Icecat product 122735907 · Checked 14 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) | 3 |
|---|---|
| Product colour | Black |
| Charger compatibility | Universal |
| Built-in display | Yes |
| Display type | LCD |
| Shape | Rectangle |
| Carrying handle(s) | Yes |
| Charging source | USB |
| Battery voltage | 3.85 V |
| Battery capacity | 77 Wh |
| Built-in radio | No |
| Fast charging | Yes |
| USB Power Delivery (USB PD) | Yes |
| USB Power Delivery up to | 20 W |
| Input interface | USB Type-C |
| USB Type-A output ports | 1 |
| USB Type-C connector | Yes |
| USB Type-C ports quantity | 2 |
| Input voltage | 5, 9, 12 V |
| Port 1 output power | 18 W |
| Port 2 output power | 20 W |
| Port 3 output power | 20 W |
| Output voltage | 5, 9, 12 V |
| Output current | 3 A |
| Port 1 output current | 2 A |
| Port 2 output current | 2 A |
| Port 3 output current | 3 A |
| Operating temperature (T-T) | -10 - 45 °C |
| Width | 65 mm |
| Depth | 30 mm |
| Height | 91 mm |
| Weight | 313 g |
| Cable length | 0.3 m |
| Cables included | USB Type-A to USB Type-C |
| Manual | Yes |
| Package width | 96 mm |
| Package depth | 32 mm |
| Package height | 191 mm |
| Package weight | 370 g |
| Warranty period | 5 year(s) |