Go with the power bank Porodo 50000mAh Integrated Cables - Black, which has great capacity and charging versatility for all your devices. Most power banks will be of such a capacity, boasting an enormous 50,000mAh battery (185Wh, 3.7V), making it quite a reliable mover around. The power bank has ports for many outputs, including USB-C output: 5V/3A, 9V/2.22A, 12V/1.67A, and 20W; USB-A output: 5V/3A, 9V/2A, 12V/1.5A, and 22.5W for fast charging; while built-in cables include USB-C and Lightning outputs rated at 5V/3A and 5V/2.4A, respectively. In this way, people can charge multiple devices simultaneously, and the digital display will tell exactly how much charge is left in it., and it operates at a temperature range of -10 to 60 degrees C, making it very useful for everyday purposes. 35 minutes for 0%-60% charging.