Power Bank Porodo PD-3094-BK Power Bank 3000mAh-Black 20W Power Delivery and Quick charge 3.0 features Touch Sensor Digital Display for a more sophisticated feel while powering on and checking battery reserve. Power Bank 3000mAh (PD-3094-BK) has an intelligent IC that makes sure your device is charged at optimum charging current. Embedded protection mechanisms prevent your device from over-charging and the power bank from overheating.