Griffin PowerDock Pro - Multi-Charger Dock Charges 5 USB Devices for iPad, iPhone, iPod - Multi-Device Charger and Cord Management Five-bay charging dock for tablets, smartphones and other USB-charged devices. Charge iOS and Android devices on the same charger. Up to 12 watts of charging power for each bay allows max-rate charging for up to five full-sized tablets simultaneously. ChargeSensor circuit senses and delivers proper charge to connected device without possibility of overcharging. Built-in cord management and power supply eliminates tangled, messy cables