Feature: 

• 20000mAh Large Capacity
  More durable and optimizes charging efficiency, offer constant power
• Dual Input and Three Output
  Two USB and Type-C ports, which can charge the devices at the same time, the USB-C and Micro USB provide two charging ways for power bank, convenient and fast
• Up to 18W Power Output
  9V 2A, 12V 1.5A up to 18W power output, delivers fast and efficient charging for each connected device.
• High-density Lithium Polymer Batteries
  Adopts premium Lithium polymer battery cells. It’s compatible with smartphones and tablets as well as a variety of digital cameras and handheld gaming devices.

Specification: 

• Brand: Xiaomi
• Model: V3
• 20000mAh (3.7V, 74W) big capacity, real output at 12000mAh (5.1V, 3.6A).
• 2 USB-A / USB-C totally triple output.
• 2-way fast charger, charge efficiency.
• Battery Capacity (mAh): 15001-20000mAh.
• Quality Certification: CCC.
• Input Interface: Micro USB, USB Type C.
• Output Interface: Double USB, Type C.
• Support Quick Charge Technology: Two-way Quick Charge.
• Supports Solar Energy: No.
• Battery Type: Li-polymer Battery.
• Output: 12V/1.5A.