Promate 20000mAh High Capacity Power Bank with 3.1A Dual USB

Titan-20C is a high-capacity power bank, a powerful 20000mAh lithium-polymer battery in an urban minimalist design. Charging any USB enabled devices with both USB-C and USB-A highspeed charging ports. The Titan-20C features Automatic Voltage Regulation, which detects connected devices and provides the optimum charging output. Charge two devices simultaneously during your long trips with high capacity you will never run out of power.