UGREEN Power Bank 20000mAh PB536 45W portable charger, 20000 mAh battery capacity, 45W output (gray)

UGREEN Power Bank PB536 is a portable charger with a 20000 mAh battery capacity and up to 45W output. Designed to support smartphones, tablets and USB-C laptops, this gray power bank provides a reliable external battery for travel, daily commuting and emergency power needs. Multiple output ports enable charging of several devices at once while preserving compatibility with common fast-charging protocols.

Advantages

The compact design balances high capacity and portability, offering extended runtime without excessive weight. With a maximum 45W output via USB-C, the unit can fast-charge compatible phones and power many USB-C laptops at lower draw. Multiple ports allow simultaneous charging of devices, and built-in protection features help safeguard against overcurrent, overvoltage and short circuits. The neutral gray finish provides a discreet, professional look suitable for varied use environments.

Suitable for

• Charging smartphones and tablets during travel or commuting
• Providing backup power for USB-C laptops and ultrabooks with moderate power draw
• Maintaining device uptime during power outages or outdoor activities
• Charging multiple devices simultaneously—phone, earbuds and tablet

Key specifications

• Battery capacity: 20000 mAh
• Maximum output power: 45W (USB-C)
• Ports: USB-C input/output plus USB-A output(s) for simultaneous charging
• Fast-charging compatibility: supports common USB-C PD and fast-charge profiles for phones and tablets
• Color: gray

How to use

Charge the power bank before first use via the USB-C input using a compatible charger. To charge a device, connect it to the USB-C or USB-A port with the appropriate cable; the USB-C port supports both input and output for flexible use. If multiple devices are connected, the power bank will distribute power according to each device’s requirements and the unit’s output limits. Observe indicator LEDs (if present) to check remaining battery level and charge status.

Recommendations

For optimal lifespan, avoid fully discharging the power bank frequently and store it in a cool, dry place when not in use. Use certified cables and chargers rated for the required power, and consult device manufacturer guidance when powering laptops or devices with higher power demands to ensure compatibility with the 45W maximum output.