Additional Information | Tested and certified to UL 60950-1 and UL 1667 standards; FCC requirements and all applicable country-specific regulations; Provides full 2.1A Charging Capability to each Device; All tablets charge at the same time using the power provided through one wall plug. Cart does not need to cycle power; Tablets will not sync and charge at the same time. Master laptop must be unplugged from auxiliary USB outlet for tablets to charge |