Tripp Lite 42-Device AC Charging Station Cabinet for Chromebooks & LaptopsThis 120V charging cart provides timed AC charging, secure storage and cord management for as many as 42 Chromebooks and laptops with a screen size up to 15 inches. The connected devices' AC adapters plug into 42 NEMA 5 15R outlets, which provide up to 1,440 watts for charging. A built in circuit breaker protects the devices against overloads. Features include: High Speed Zone Charging Conserves Energy and Helps Avoid Potential Overloads The 42 NEMA 5