Product Features:

• 20000 mAh rechargeable battery
• Fast Charge Iphone — support 20W charging mode
• Fast charging indicator
• LCD shows the remaining capacity, charging voltage and power

Charge up to 4 times faster than conventional chargers!
Support : Power Delivery 20W , QC3.0 and other popular fast charging protocols.

USB-C input / output
You can use USB-C socket to charge devices and recharge battery itself.

Emergency laptop recharging via USB-C