Compact high-capacity external power bank in a functional plastic case with two USB outputs for simultaneous autonomous charging of mobile devices. The pocket-sized battery pack can charge most popular mobile devices. Connectors: 2 x USB Type A "female", USB Type micro B "female", USB Type C "female". Current strength of USB port: 2.4A (maximum on one port at 5V; 2A at 9V; 1.5A at 12V; total of 3.6A when both ports are connected at 5V) Capacity 20000mAh: - Capacity 74 Wh (3.7V, 20000mAh); - Great for travel, provides enough charge for a day; - Charges RedmiNote7 3.5 times, Mi 9T 3.5 times, Mi 9 4.5 times, iPhone XS 4.7 times. Low current charging mode: - Press the battery level check button twice to activate the low current charging mode for 2 hours. This mode simplifies charging of low-power devices such as Mi Bluetooth headphones and Mi SmartBand smart watches. Fast two-way 18W charging: - The charger supports input charging power of 18W max. via Micro-USB port or USB-C port; - The charger supports output charging power of 18W max. through a single USB-A port. Allowed for airplane transportation: - The device complies with international aviation standards - it is safe to take on a plane. 4 ports: - Another way to charge the portable charger is through the USB-C and Micro-USB input ports; - 2 USB-A output ports allow charging 2 devices simultaneously. Protected design: - Device protection from various overloads, such as overcharging, high temperature, short circuit, ensures its safe use. Specifications: - Battery capacity: 74 Wh 3.7V (20000mAh) - Operating temperature: 5°C~35°C - Rated power: 12000mAh (5.1V / 3.6A) - Charging time: approximately 7.5 hours (charger 9V / 2A or 12V / 1.5A), approximately 10 hours (charger 5V/2A)