A La Cart Tablet Security/Charging Cart can Keep up to 32 tablets or notebooks charged. 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. 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.