Mighty 18W QC OutputUse the efficiently fast 18W QC output to unlock peak performance, charge smartphones that support the QC protocol for ultra-fast charging – when the QC port is the only port in use. | High-Density LG BatterySports a premium LG 21700 battery pack, enabling our power bank to store a whopping 20000mAh of power in an unbelievably small size. | Total Charging ProtectionDiscover the safest possible charge thanks to multiple charging guards; such as, overcurrent, short-circuit, overdischarge and high temperature protections. |