The Sandberg Travel Powerbank 20000 PD35W (model 421-41) is a portable charger for mobile devices when you are away from a mains outlet. Its lithium-polymer battery has a capacity of 20,000 mAh, rated at 3.85 V and 77 Wh, providing backup power for travel, work or other activities away from a wall charger.
USB-C input and output are available through ports C1/C2, with USB-C output up to 35 W. A separate USB-A output supports up to 18 W. The LCD display shows the remaining battery capacity, and Always-ON mode is available.
The power bank measures 11.2 × 7.1 × 2.8 cm and weighs 355 g, details useful when considering what to carry. Package contents: 30 cm USB-C to USB-C charging cable and quick guide.