A self-attaching supplemental battery for a cellular phone comprises a housing containing a rechargeable battery. A releasable attachment pad is affixed to an attachment side of the housing to releasably couple the housing and the rechargeable battery to a back of the cellular phone. A cover is removably carried by the housing, and selectively locatable on either side. The cover comprises a panel sized and shaped to cover the releasable attachment pad in a protection location when located on the attachment side of the housing, and to expose the releasable attachment pad in a storage location when located on the face side of the housing.

A battery pack is provided. The battery pack includes first and second temperature sensors that are disposed in first and second interior spaces, respectively. The first temperature sensor generates a first signal indicative of a first temperature level of the battery cell. The second temperature sensor generates a second signal indicative of a second temperature level of the DC-DC voltage converter. The battery pack further includes a microprocessor that determines a first desired operational speed value of the electric fan based on the first temperature level, and a second desired operational speed value of the electric fan based on the second temperature level. The microprocessor selects the first desired operational speed value if the first desired operational speed value is greater than the second desired operational speed value.

A battery charging system includes a first electrical connector disposed facing a first shelf, a second electrical connector disposed facing a second shelf, a first charge device coupled to the first electrical connector, and a second charge device coupled to the second electrical connector. A mobile device includes a first electrical connector, a first shelf portion and a second shelf portion, which are facing the first electrical connector, and a third shelf portion and a fourth shelf portion, which are facing the second electrical connector. Each of the electrical connectors of the battery charging system and the mobile device includes a first conductor, a second conductor, and a third conductor, with the first conductor electrically coupled to the third conductor, and the second conductor electrically isolated from and disposed between the first and third conductors, which enable the battery charging system and mobile device to easily swap batteries.

An energy storage apparatus provided with an energy storage device is provided with an electrode terminal disposed on the energy storage device, and a bus bar placed on a surface of the electrode terminal and connected to the electrode terminal. The bus bar includes a plurality of opening portions formed such that the surface of the electrode terminal is exposed.

A detector 100, which detects an abnormality of a communication line L1 connecting a moving body controller 30 and an energy storage apparatus 50 that are mounted on a moving body 10, detects occurrence or non-occurrence of the abnormality of the communication line L1 based on at least two pieces of information from: a moving body state signal Sv transmitted from the moving body controller 30 to the energy storage apparatus 50 and stored in the energy storage apparatus 50; a communication state between the moving body controller 30 and the energy storage apparatus 50; and information on the charge and discharge of the energy storage apparatus 50.

A removable battery component for receiving a battery submodule and being mechanically and electrically connectable to other removable battery component carriers and/or a carrier frame is provided. The removable battery component carrier includes a bottom plate, a pair of side walls perpendicular to the bottom plate and extending along two facing corners of the bottom plate, a pair of end plates perpendicular to the bottom plate and the side wall, extending along two facing corners of the bottom plate, and mechanically connected to the side walls and/or the bottom plate to fix the plurality of battery cells together. A cell cover extends parallel to the bottom plate to form a receiving space of the battery submodule along with the bottom plate, the side wall, and the end plate.

A cell contacting system for an electro-chemical device is provided, which has a reduced weight and yet a high security against damage. The electro-chemical device includes a plurality of electro-chemical cells, a cover which includes a carrier element, on which there is arranged at least one cell connector for the electrically conductive connection of a first cell terminal of a first electro-chemical cell and a second cell terminal of a second electro-chemical cell, and a cover element for covering the at least one cell connector, the cover element including a covering film.

A battery, for example, a rechargeable battery (e.g. lithium ion battery) having a casing with battery terminals. The casing, for example, includes an upper section, middle section, and lower section connected together. The battery can be connected to one or more battery trays having the same height or different heights for various applications.

The battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack and has an opened front surface and an opened rear surface facing each other; an end plate that covers each of the front surface and the rear surface of the module frame; and an insulator interposed between the battery cell stack and the end plate, wherein the module frame includes a first joining surface formed on sides constituting each of the front surface and the rear surface, wherein the end plate includes a second joining surface joined to the first joining surface, and wherein the insulator includes a rib extending in a direction in which the battery cell stack is located.

The battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack and has an opened front surface and an opened rear surface facing each other; an end plate that covers each of the front surface and the rear surface of the module frame; and an insulator interposed between the battery cell stack and the end plate, wherein the module frame includes a first joining surface formed on sides constituting each of the front surface and the rear surface, wherein the end plate includes a second joining surface joined to the first joining surface, and wherein the insulator includes a rib extending in a direction in which the battery cell stack is located.