Relay 20,000 mAh power bank. The Relay 20000 mAh Power Bank has 3 USB ports with a max output of 5V/2.1A (output 1:5V/1A; output 2: 5V/1A and output 3: 5V/2.1A). This power bank contains a Grade A 20000 mAh Lithium-ion battery and features a flashlight. The 4 blue LED indicators show the remaining battery capacity of the power bank. Includes a USB to Micro USB charging cable. Supplied in a white Avenue gift box. ABS Plastic.