Power bank with 20000 mAh capacity with fast charging function. C-C cable included. The power bank has a display showing the charge level. Lithium-polymer battery. 3.7V, 74Wh. Input Type-C 5V/2A, 9V/2A, 12V/1.5A; micro 5V/2A, 9V/2A, 12V/1.5A. Output Type-C 5V/2.4A, 9V/2.22A, 12V/1.67A: USB-A1/A2 5V/2.4A, 9V/2A, 10V/2.25A, 12V/1.5A