Overview Discover the safest possible charge thanks to multiple charging guards; such as, overcurrent, short-circuit, overdischarge & high temperature protections. Micro input: 5V=2A 10W Max Type C Input/ Output: 5V=3A15W Max USB (Universal Serial Bus)-A1/USBA2 Output:5V = 2.4A 12W Max Total Output: 15W Max Battery Capacity: 20000m Ah/74 Wh/3.7V