The Awei P5K 10000mAh power bank supports 2.5W fast charging and features dual USB output ports, with a maximum output of 2.1A. It has a lithium polymer battery and a plastic shell. 

Here's a more detailed breakdown of the specifications: 

Brand: Awei

Model: P5K

Battery Type: Lithium polymer

Capacity: 10000mAh

Input: 5V/2.1A

Output: Dual USB

Type-A1: 5V/2.1A

Type-A2: 5V/1.0A

Charging Type: Dual USB, one-way quick charge

Shell Material: Plastic

Colors: Black, White

Fast Charging: 37 W

Maximum Output: 2.1A

Additional Features: LED indicators, multiple protections (over-current, over-power, over-discharge, short-circuit).