Ergotron PS Laptop Charging Cart 24-294-085 Accessory Type: PS Laptop Charging Cart Color: Black Specifications: Includes 20 device slots, 12' (3.8 m) power cable, country-specific power strip, cable management tray, four 4 medical-grade locking casters, integrated handle. Device slot size: 15.7 D x 12.3 H x 1.9 W (398 x 313 x 48 mm). Laptop with power cord installed must fit within these dimensions. Maximum device weight: