This USB charger comes with a AC adapter power cord and 5 Standard USB ports for your convenience! Each port supplies 2.1 amps of power to charge your larger devices, such as small laptops and tablets. When all five ports are being used, each will supply 1 amp of power for your smaller devices, such as cell phones. That is enough power to efficiently charge all of your devices at once with this AC wall charger. View full specification here.