2018 New! Charging Cart for Tablets/Ipads/E-readers up to size 15.6", School Use, 36 devices Y836D-B 1. Charging Cart Features ïWireless Sync, storage & charging station ïSimultaneous power cable charging ïAdvanced power management system ïNon-marring 4" casters with locking brake ïCable management for excellent interior cord organization ïStandard electrical power strip or USB charge for option 2. Power Management System ïThe sequential access to electricity for 5 seconds interval ïEarth leakage protection ïTime setting ïThree operating mode: Always Power On, Timer Charging, Cycle Charging