The Balt 27670 iTeach iPad charging can cart easily charge and transport up to 32 tablet devices using this modern and attractive cart. Combining modern aesthetics and true functionality, this versatile designed unit holds 32 iPads or other mobile computing devices in one secure and portable unit. Controlled power management predicts which tablets need more power, providing a safe and secure way to keep your tablets up to speed, extending battery life and saving energy. Designed for easy accessibility, the ergonomic placement of the charging slots means no getting on your hands and knees to load and unload. The plugs works with many popular tablets equipped with a USB charging cable. The sliding top shelf locks to protect your tablets. The top also serves as a standing height work surface, remaining stable even when open. A powder-coated steel body with coordinating HPL/edge banding. The slots of the cart hold tablets up to .96" thick, accommodating most tablets even with a case.