This durable and energy-efficient charging cart includes an ETL Listed timer that alternates between two 16-outlet power strips, so you can charge in stages without overloading circuits; and with the use of only one power cord. Solid steel construction provides strong protection and, like all Luxor charging carts, rubber-coated dividers that won''t scratch devices and provide impact protection during transit. Its four casters make it easy to move from location to location and assembly is simple just attach the casters and handle and you''re ready to roll.