Panamax Power360 P360-8 Surge Protector with Detachable USB Charging Ports Charging your smartphone or tablet is simplified with a detachable USB module tethers to table or desktop with an included 6 foot cable. Power360-8 features best in class protection with active over/under-voltage protection which resets itself automatically when normal power conditions return. The circle of protections LED indicates in three easy-to-read real time status: Protection, wiring and voltage status. The power36