REVOLUTION 16 BAY CART - MK3 Smarter,safer and more efficient charging With the ECO Safe Charge power management system,you can charge up to 16 devices simultaneously The included remote means you can turn the Cart on or off from anywhere in the classroom Timed charging modes Easily set your Cart to charge for a specific amount of time The ECO Safe Charge will allow you to charge all devices for 1 or 3 hours before it automatically switches off It can also cycle charge groups of devices for 1 or 3 hours at a time