A new 16-port professional USB charging station — the PowerPad 16 — can charge up to 16 iPads at a time. The station can be placed in a cabinet, cart or carrying case. It can also be mounted on a table, wall or under a counter”
Created by Datamation Systems (http://www.ipadcarts.com/) the Power Pad 16 (DS-IP-PP16) can be used to replace power strips and the AC adapter bricks of the standard chargers. It’s not an “universal” USB charger but Datamation Systems is creating other versions that will accommodate most USB devices, according to Vice President Joe Mazz. Contact Datamation for pricing.