Description: Original Xiaomi Power Bank 2C, 20000mAh super capacity, built-in bi-directional QC 3.0 quick charge smart chip, dual USB output ports, is a great company in your trip. You can easily hold the power bank because of round edge design. Main Features: Original Xiaomi 20000mAh super large capacity portable power bank Bi-directional QC 3.0 quick charge, saves more time High-density lithium polymer battery pack, safe and reliable Support charging two devices simultaneously Built-in multiple protections Round edges design, comfortable to hold Charging time: about 6.7h (9V / 2A charger), or about 10h (5V / 2A charger) Specification Double press for low power charging Brand: Xiaomi Type: Power Banks Capacity Range: >10000mAh Capacity (mAh): 20000mAh Connection Type: Micro USB,Two USB Output Interface Battery Type: Li-Polymer Battery Material: ABS Specification Input: 5V 2A / 9V 2A Output: 5.1V 2.4A / 9V 2A / 12V 1.5A Dimension and Weight Product weight: 0.3600 kg Package weight: 0.4140 kg Product size (L x W x H): 14.95 x 6.96 x 2.39 cm / 5.89 x 2.74 x 0.94 inches Package size (L x W x H): 16.30 x 10.20 x 3.70 cm / 6.42 x 4.02 x 1.46 inches Package Contents Package Contents: 1 x Power Bank, 1 x USB Cable, 1 x Chinese Manual How long do you need to charge it? About 6.7 hours (using 9V / 2A adaptor); About 10 hours using 5V / 2A adaptor What is the max output current of two ports work simultaneously? 5.1V, 3.6A.