Tablet Charging Box by Offex, 12 Slots Struggling to charge all your classroom's tablets? Now you can charge, store and carry 12 at once. Keep your tablets free from damage with the padded interior and rubber-coated dividers. Worried about overheating? Your new charging box has ventilated sides to allow constant airflow. Trouble with tons of charging chords? Your new box comes with 12 outlets 120V/15A jacks. Worried about stability? Holds up to 30 lbs. Pre-assembled. Drywall mounts, lock and keys included.