Refuel your devices with Aukey USB-C Power Bank 20100mAh, PB-XD20 and continue your work without worrying about low battery in the middle of an important work. It is a universal charging power bank for all types of devices with four times more charging speed. It is made with AiPower Adaptive charging technology to adjust to different devices having different configurations and capacity. It also protects devices from excessive heating and charging. The power bank helps not only charge, but transfer data and videos without interruption.