SANDBERG batería externa 20000 mAh 20W carga rápida USB-C PD QC 3.0 negra

The SANDBERG Powerbank 421-49 offers a high capacity of 20000 mAh (74 Wh) and 20W fast charging via USB-C Power Delivery. With two USB-A ports and one USB-C port, you can charge up to three devices simultaneously. The lithium polymer battery supports Quick Charge 3.0 and is protected against overcharge, over-discharge, and short circuits. A 4-level LED indicator shows the remaining battery status. The included USB-C to USB-C cable (30 cm) makes it ready to use right out of the box.

Advantages

High capacity 20000 mAh for multiple device charges; 20W USB-C PD fast charging; QC 3.0 support for compatible devices; charge up to 3 devices at once; compact and lightweight design with LED battery indicator.

Suitable for

• Smartphones and tablets
• USB-C laptops and portable devices
• Travel and everyday use
• Emergency power backup

Key specifications

• Battery capacity: 20000 mAh / 74 Wh
• Battery type: Lithium Polymer
• Max output power: 20 W
• USB-C output (PD): 5V/3A, 9V/2.22A, 12V/1.67A (20W max)
• USB-A output 1 (QC 3.0): 5V/3A, 9V/2A, 12V/1.5A (18W max)
• USB-A output 2: 5V/2.4A (12W max)
• USB-C input (PD): 5V/3A, 9V/2A, 12V/1.5A (18W max)
• Number of ports: 1x USB-C (in/out), 2x USB-A (out)
• Charging time: approx. 8-10 hours (with 18W PD charger)
• Material: ABS + PC
• Colour: Black
• Safety features: Overcharge, over-discharge, short-circuit protection
• LED indicator: 4-level battery status
• Included cable: USB-C to USB-C (30 cm)

Recommendations

For optimal charging performance, use a Power Delivery compatible charger (18W or higher) to recharge the power bank. The device is compatible with most USB-powered electronics.