The Lyte 30 Single Door Tablet USB charges 30 tablets or devices up to 11" screen size tablets, smartphones, mobile phones and handheld USB devices (including protective cases) via a 3 x 10 USB C Hubs. The individual device compartments store devices horizontally within a compact footprint. Easy to move with top handles and medical-grade rubber wheels. This unit delivers high-speed charge at the optimum rate. It never overcharges as it detects when the device battery is full providing trickle charge. It is equivalent to 30 x 10.5W USB C Charging Ports saving you space and power consumption, replacing extension cables and power sockets with one cable into the wall.