Easily charge, or sync and charge up to 48 tablets simultaneously with the efficient and attractive iTeach High Capacity Sync/Charge Cart. Purchase a cart with charging capacity only for the number of devices you need: 16, 32, or 48. Standard storage shelves will be included in place of any charging shelf spaces not used. Add-on charging shelves available. Use own USB charging cords. No adapter necessary. Controlled power management knows which tablets need more power, providing a safe and secure way to keep your tablets up to speed, extending battery life and saving energy. Charge up to 2.1 amps per device with one power cord. Includes four charge indicators per tablet slot. Works with many tablets and other devices that are charged via USB. Tablet cables not included. Update to a sync and charge cart for even more power and versatility. Sync via iTunes or a Windows 7 host computer using the sync USB cable provided. Apple devices can be set up and configured using the Apple Configurator app available directly from Apple, and synced using iTunes. Non-Apple devices will appear as USB drives and can sync via dragging and dropping. Body includes heavy duty 3" casters, cord winder and power receptacle, and ventilation panels to keep devices cool. Optional 4" casters available. TAA compliant.