Technologies and techniques for charging a high-voltage battery of an electric drive of a vehicle, in which electrical power is transmitted from a low-voltage on-board electrical system of the vehicle to the high-voltage battery, and, to aid starting of the vehicle, electrical power is transmitted from a separate external unit to the low-voltage on-board electrical system of the vehicle and is transmitted from the low-voltage on-board electrical system to the high-voltage battery. The present disclosure also relates to a related power transmission system.

In accordance with one or more embodiments of the invention, an electric vehicle service equipment is presented, including an enclosure with one or more thermally conductive aluminum plates to passively dissipate board heat, a ratcheting retractor including a flexible cord attached to an electric charging cable, and a programmable logic device safety circuitry.

In accordance with one or more embodiments of the invention, an electric vehicle service equipment is presented, including an enclosure with one or more thermally conductive aluminum plates to passively dissipate board heat, a ratcheting retractor including a flexible cord attached to an electric charging cable, and a programmable logic device safety circuitry.

A cable routing apparatus, for supporting an electric charging cable, includes a mounting plate and a pulley-bracket assembly, which is pivotally attachable to the mounting plate. The pulley-bracket assembly includes a pulley support member having a pulley support plate and at least one pulley support arm extending downwardly from the support plate. The pulley-bracket assembly further includes a pulley wheel for supporting part of the cable thereon, and a pulley axle extending through a central hub of the pulley wheel. A housing may be provided for covering the pulley-bracket member, and parts of the pulley support member may, optionally, be integrated into the housing. A kit including two of the described cable routing apparatus along with an intermediate pulley bracket and other components, as well as a method of installing the kit in a garage to provide a cable routing system are also described.

A cable routing apparatus, for supporting an electric charging cable, includes a mounting plate and a pulley-bracket assembly, which is pivotally attachable to the mounting plate. The pulley-bracket assembly includes a pulley support member having a pulley support plate and at least one pulley support arm extending downwardly from the support plate. The pulley-bracket assembly further includes a pulley wheel for supporting part of the cable thereon, and a pulley axle extending through a central hub of the pulley wheel. A housing may be provided for covering the pulley-bracket member, and parts of the pulley support member may, optionally, be integrated into the housing. A kit including two of the described cable routing apparatus along with an intermediate pulley bracket and other components, as well as a method of installing the kit in a garage to provide a cable routing system are also described.

An apparatus including a first electrical connector; and a second electrical connector. The first and second electrical connectors have magnets to provide a magnetic holding force with each other and provide alignment of the electrical connectors to hold the second electrical connector against the first electrical connector at a predetermined position. Magnetic poles of the magnets are configured to limit orientation of the second electrical connector on the first electrical connector. The second electrical connector includes two power contacts and an interruption detector contact, where the power contacts are movably mounted on the second housing and configured to disconnect from electrical contacts of the first electrical connector, when the second electrical connector is being disconnected from the first electrical connector, only after the interruption detector contact of the second plurality of electrical contacts disconnects from an electrical contact of the first electrical connector.

A presentation device includes an acquirer configured to acquire a usage status of a secondary battery which is the usage status of a secondary battery with which a plurality of vehicles including a target vehicle are equipped and includes one or more items, a deriver configured to derive representative values of items of the secondary battery in a vehicle in a predetermined area, and a presenter configured to present a relationship of items of the usage status of a secondary battery with which the target vehicle is equipped with respect to the representative values derived by the deriver.

An electric vehicle (EV) charging connector includes a contact element and a passive cooling device attached to the contact element at a connection point. The contact element and the passive cooling device form a thermal conductive arrangement. The charging connector further comprises at least one temperature sensor attached to the thermal conductive arrangement, wherein the at least one temperature sensor is configured to provide temperature data for detecting a thermal conductivity fault of the thermal conductive arrangement.

A charging cable apparatus having a connector, an electrically-conductive cable extending from the connector, the cable configured to be connectable to a charging station for receiving a charging current from the charging station, and having a heat pipe with a phase change section having a wicking structure, the wicking structure having a working fluid therein during operation for receiving heat generated during current flow within the cable. The charging cable apparatus may further have an external condensing surface in fluid communication with the phase change section of the heat pipe for accelerating condensation of evaporated working fluid. The charging cable apparatus may be connected to a charging station for charging an electric battery such as a battery of an electric vehicle.

A charging cable apparatus having a connector, an electrically-conductive cable extending from the connector, the cable configured to be connectable to a charging station for receiving a charging current from the charging station, and having a heat pipe with a phase change section having a wicking structure, the wicking structure having a working fluid therein during operation for receiving heat generated during current flow within the cable. The charging cable apparatus may further have an external condensing surface in fluid communication with the phase change section of the heat pipe for accelerating condensation of evaporated working fluid. The charging cable apparatus may be connected to a charging station for charging an electric battery such as a battery of an electric vehicle.