Simultaneous Charge - Provides simultaneous charging for up to 40 devices Ready To Go - With pre-installed Lightning cables, simply plug in the cart and it's ready to go, right out of the box Optimized Cables - Cable clutter is eliminated through custom cables that are the optimal length for each slot and the right-angled Lightning connector makes it easy to connect devices At-A-Glance Status - Without removing them from the slot, instantly determine which devices are fully charged via the individual charge status LEDs Scalable - The PureCharge family of products is designed to grow with your organization. Stations can be stacked and the Cart 20 is upgradeable to 40 device slots