Wagan 3301 USB LifeHub Travel Charger 6 smart charging USB power ports (up to 2.4A output each; 5V/10A total maximum output Automatically detects your device's maximum current draw and automatically adjusts for the fastest and safest full-speed charge Provides 50 watts of power Includes a detachable AC power cord and Velcro mounting tape for securing it to a specific location Plug and play - easy to use; now everyone can charge their USB powered electronics at once