The Zebra TC7X Mobile Computer 5-Slot Ethernet ShareCradle can accommodate either five TC7X's or four TC7X's, plus four spare batteries off of one power supply via the 4-Slot Battery Charger Adapter Cup (sold separately). This Zebra 5-Slot ShareCradle can be racked/mounted in a standard 19 in. rack system via the mounting accessory. (Note: 5-Slot Cradles Includes Power Supply PWR-BGA12V108W0WW, AC line cord 23844-00-00R and DC Line Cord CBL-DC-382A1-01.. Optional 4-Slot Battery Charger, 4- Slot Battery Charger Adapter Cup and Mounting Accessory sold separately).