Product details of MicroPack ELITE PB-20KPD 20000 mAh Qualcomm QC 3.0. Capacity : 3.85V=20000 mAh. Battery cell : Li-Polymer battery. Interface : 1 USB-C (in/out) , 1 Micro USB (in) , 2 USB-A (out). QC input : 5V=2A, 9V=2A. PD input : 5V-2A, 9V-2A. PD output : 5-6V=3A, 6-9V=2A, 9-12V=1.5A. QC output : 5-6V=3A, 6-9V=2A, 9-12V=1.5A. Total output : 18W max. Housing : ABS+PC. Dimension : 23.5 x 64.5 x 141 mm.