PS laptop charging cart, universal interface charges up to 20 devices (works with laptops, netbooks and tablets). PowerShuttle® Technology optimizes total charge time while safely preventing electrical circuit overload by efficiently grouping the number of devices that are charged at one time. Works in any environment, including education, healthcare and enterprise applications. Includes 20 device slots, 12.5” (3.8 m) power cable, country-specific power strip, cable management tray, four 4” medical-grade locking casters and integrated handle.