Keep up to 32 tablets or netbooks charged and ready to go with the mobile and versatile A La Cart Tablet Security/Charging Cart. The base A La Cart (A) provides a locking steel cabinet to keep your mobile computing devices secure. Upgrade to a charging cart (B) to keep your devices charged and ready to go. Charging model available fully assembled (C) for your convenience. Compatible with Chromebook and Otterbox Defender Series. Accommodates the full Otterbox Defender case with cover! Sliding plastic dividers between tablet slots can be configured for wider devices. Dividers feature cable management clips and wraps. Please check required slot dimensions for your specific device. Slots measure 12"H x 1.02"W x 13.18"D. Vertical clearance on each charging shelf is 12", and depth is 13.18". Bottom space (5" high) provides storage for your AV or other equipment. The electronically switched AC power distribution unit allows for 12A of charging for up to 16 devices at a time. The repeating cycle timer switches automatically with 15 minutes per bank cycles to help to prevent circuit overload (please do not be alarmed when the two power strips do not light when first plugged in). Removable rear locking panel gives easy access to electrical. 4-ETL Listed power strips (8 outlets each) included. Cart exterior includes a non-skid top, ventilated side panels, two generous handles for easy maneuverability, two auxiliary power outlets, an on/off switch, a cord winder, and heavy duty 4" casters (two locking).