Powerbank UGREEN PB550 20,000mAh 67W PD with 1×USB-A, 1×USB-C and built-in USB-C cable, smart display (55996B)

UGREEN PB550 is a portable 20,000mAh powerbank with up to 67W Power Delivery output, combining high-capacity battery storage with an integrated USB-C cable and a clear smart display. The compact unit provides one USB-C port and one USB-A port for simultaneous charging of multiple devices and the built-in cable reduces the need to carry extra cords. The smart display shows real-time remaining capacity and charging status to help you plan recharges and monitor power use.

Advantages

The powerbank delivers high-capacity 20,000mAh energy storage in a portable form factor and supports 67W Power Delivery for fast charging of compatible laptops, tablets and smartphones. The integrated USB-C cable offers quick connection without searching for a spare cable, while the additional USB-A port extends compatibility to older or accessory devices. The smart display provides clear information about remaining charge and active charging status, improving usability and preventing unexpected power loss.

Suitable for

• Recharging smartphones and tablets during travel or commuting
• Powering laptops and ultraportable notebooks that accept USB-C PD
• Charging accessories such as wireless earbuds, portable speakers, and wearables
• Emergency backup power for short power outages or field work

Key specifications

• Battery capacity: 20,000 mAh
• Maximum output power: up to 67 W (Power Delivery)
• Output ports: 1× USB-C (plus built-in USB-C cable), 1× USB-A
• Integrated cable type: USB-C (built-in)
• Display: smart real-time battery and charging status indicator
• Simultaneous charging: supports multi-device charging

How to use

Connect the built-in USB-C cable or an external cable to the appropriate device port and start charging. If your device supports Power Delivery, the powerbank will negotiate the optimal voltage and current up to 67W for faster charging. Use the USB-A port to charge additional devices simultaneously. Monitor the smart display to see remaining capacity and active charging state; recharge the powerbank using a compatible USB-C PD charger when the display indicates low battery.

Recommendations

For reliable performance, use a USB-C Power Delivery charger to recharge the powerbank and avoid exposing the unit to extreme temperatures or moisture. When charging laptops that require high wattage, connect only the laptop to maximize available power. Store the powerbank partially charged for long-term storage and periodically recharge to maintain battery health.