A luggage system, comprising: a front housing portion, and a rear housing portion, being hinged together to provide a luggage housing assembly and sealed using a zipper subsystem; a set of spinner wheels mounted to said luggage housing assembly; a telescopically-extendable handle and rechargeable power supply assembly mounted in said rear housing portion, and having a handle structure connected to a pair of telescopically- extending rods (22C1, 22C2, 22C1', 22C2') substantially disposed in a common plane, and arrangeable in either a retracted configuration and a protracted configuration; one or more USB-type DC electrical power supply ports (6A, 6B) and a USB-type DC power recharging port (6C, 7); a rechargeable battery storage module (22D1, 22B1); and a DC power port cover panel; wherein said telescopically-extendable handle and rechargeable power supply assembly includes a base housing component supporting the one or more USB-type DC electrical power supply ports (6A, 6B) and the USB-type DC power recharging port (6C, 7) operably connected to the rechargeable battery storage module (22D1, 22B1) disposed substantially in the same plane as said pair of telescopically- extending rods (22C1, 22C2, 22C1', 22C2'); wherein the DC power port cover panel is hinged to the base housing component and covers the USB DC power ports (6A, 6B) and DC power recharging port (6C, 7) formed in the base housing component; wherein when said handle structure is configured in said retracted configuration, said one or more USB-type DC electrical power supply ports (6A, 6B) and said USB-type DC power recharging port (6C, 7) are disposed beneath said handle structure; and wherein when said handle structure is configured in said protracted configuration, said handle structure can be used to pull said luggage system around on said spinner wheels, and said one or more USB-type DC electrical power supply ports (6A, 6B) and said USB-type DC power recharging port are accessible for supplying DC electrical power to one or more electrical power consuming devices and also for recharging said rechargeable battery storage module (22D1, 22B1)). a front housing portion, and a rear housing portion, being hinged together to provide a luggage housing assembly and sealed using a zipper subsystem; a set of spinner wheels mounted to said luggage housing assembly; a telescopically-extendable handle and rechargeable power supply assembly mounted in said rear housing portion, and having a handle structure connected to a pair of telescopically- extending rods (22C1, 22C2, 22C1', 22C2') substantially disposed in a common plane, and arrangeable in either a retracted configuration and a protracted configuration; one or more USB-type DC electrical power supply ports (6A, 6B) and a USB-type DC power recharging port (6C, 7); a rechargeable battery storage module (22D1, 22B1); and a DC power port cover panel; wherein said telescopically-extendable handle and rechargeable power supply assembly includes a base housing component supporting the one or more USB-type DC electrical power supply ports (6A, 6B) and the USB-type DC power recharging port (6C, 7) operably connected to the rechargeable battery storage module (22D1, 22B1) disposed substantially in the same plane as said pair of telescopically- extending rods (22C1, 22C2, 22C1', 22C2'); wherein the DC power port cover panel is hinged to the base housing component and covers the USB DC power ports (6A, 6B) and DC power recharging port (6C, 7) formed in the base housing component; wherein when said handle structure is configured in said retracted configuration, said one or more USB-type DC electrical power supply ports (6A, 6B) and said USB-type DC power recharging port (6C, 7) are disposed beneath said handle structure; and wherein when said handle structure is configured in said protracted configuration, said handle structure can be used to pull said luggage system around on said spinner wheels, and said one or more USB-type DC electrical power supply ports (6A, 6B) and said USB-type DC power recharging port are accessible for supplying DC electrical power to one or more electrical power consuming devices and also for recharging said rechargeable battery storage module (22D1, 22B1)).