Promate Bolt-20PD, Power Bank 20000mAh, Ultra-Slim Portable Charger, 20W: Technical Specifications:Battery Capacity:20000mAh (74Wh)Battery Type:Li-PolymerQC 3.0 Output:5V/4.5A, 9V/2A ,12V/1.5A (22.5W)USB-C1 Output:5V/3A, 9V/2.22A ,12V/1.67A (20W)USB-C2 Output:5V/3A, 9V/2.22A ,12V/1.67A (20W)Total Output:20W Charging Time:7-13 hoursCharging Cable Length:20cmProduc