Fast Charging Depends on Device and Usage. 0%-60% 35Minutes Charging Battery: Latest Lithium-ion 21700 Cell. USB-C PD Input & Output: 18W 5V/3A, 9V/2A, 12V/1.5A USB-A QC Output: 18W 5V/3A, 9V/2A, 12V/1.5A