Abstract: This application relates to a battery pack. In one aspect, the battery pack includes at least one battery cell, a heat transfer piece arranged on the battery cell at a position spaced apart from a charge-discharge path, and a circuit board including a lead portion coupled to the heat transfer piece and a main body connected to the lead portion. The circuit board is configured to acquire temperature information from the at least one battery cell. The battery pack further includes a temperature sensor arranged on the lead portion, a moisture-proof layer provided on the temperature sensor and configured to block penetration of external substances onto the temperature sensor, and an anti-shock layer provided on the moisture-proof layer and configured to absorb external shock. The battery pack is configured to accurately detect the temperature of the at least one battery cell and has a temperature sensing structure improved for reliably protecting the temperature sensor.

Abstract: A rechargeable battery module is provided. The rechargeable battery module includes a busbar holder for covering battery cells, a busbar in the busbar holder for electrically connecting the battery cells, a flexible printed circuit in the busbar holder for transmitting a detection signal of a temperature or a voltage of one of the battery cells, a battery management system for receiving a transmission signal from a wireless communicator connected to the flexible printed circuit, and a printed circuit board on the flexible printed circuit for accommodating a circuit element on the flexible printed circuit for the wireless communicator.

Abstract: A rechargeable battery module includes: a busbar holder configured to cover a plurality of battery cells; a flexible printed circuit (FPC) configured to transmit a signal corresponding to a detected temperature of at least one of the battery cells from a temperature sensor mounted on the busbar holder; a temperature sensing tab including a sensor connection portion at a first side that is connected to the temperature sensor and a cell contact portion at a second side that is coupled to the busbar holder and in contact with the one of the battery cells; and an elastic member coupled to the cell contact portion and configured to elastically pressurize the cell contact portion onto the one of the battery cells.

Abstract: A rechargeable battery module includes a bus bar holder covering battery cells; a bus bar on the bus bar holder to electrically connect the battery cells; and a flexible printed circuit on the bus bar holder to transmit a signal that detects a voltage of the battery cell connected to the bus bar. The bus bar includes an extension portion protruding in one direction, and the flexible printed circuit includes a main body portion, a branch portion extending from the main body portion, and an expansion portion having an expanded area on the branch portion that is soldered to the extension portion.

Abstract: A battery pack includes a battery cell, an input/output terminal to/from which a charging/discharging current of the battery cell is to be inputted/outputted, and a connector detachably connected to the input/output terminal, and the input/output terminal includes a first hollow conductive member protruding in a first direction and a second hollow conductive member protruding to surround an outer periphery of the first hollow conductive member, the connector includes a central guide protruding in a second direction opposite to the first direction and a third hollow conductive member protruding to surround the outer periphery of the central guide, the central guide is fitted into a hollow portion of the first hollow conductive member, and the third hollow conductive member is fitted into a space between the first and second hollow conductive members and is electrically connected to the first and second hollow conductive members by an elastic connection member.

Abstract: A battery pack including battery cells; a circuit unit connected to the battery cells; and a flexible wiring connecting the battery cells and the circuit unit to each other, wherein the flexible wiring includes a first end portion to which a plurality of conductive lines are physically bound; and a first group of conductive lines and a second group of conductive lines which extend from the first end portion, branch off from each other, and then extend in parallel to each other, and the first group of conductive lines includes a folded portion at a branching position at which the first group of conductive lines is separated from the second group of conductive lines.

Abstract: A battery pack includes: a plurality of battery cells; busbars respectively connected to the plurality of battery cells; a holder accommodating the busbars; a sensing board seated on the holder, connected to the busbars, and extending in a wavy manner in a first direction; and sensing terminals connecting the busbars to the sensing board and being configured to detect state information about the plurality of battery cells. The sensing board has holes in both sides thereof, and the holder includes protrusions respectively inserted into the holes. In response to the sensing terminals moving, the holes in the sensing board move with respect to the protrusions to stretch the sensing board.

Abstract: A battery pack, including a plurality of battery cells, and a state information transmission path for transmitting state information of the plurality of battery cells, wherein the state information transmission path includes a first circuit board unit including a first film layer and a first conductive layer formed over the first film layer, a second circuit board unit including a second film layer and a (2-1)th conductive layer and a (2-2)th conductive layer formed on different surfaces of the second film layer, and a conductive adhesive layer arranged between the first circuit board unit and the second circuit board unit to form an electrical connection therebetween.

Abstract: A battery pack including: a battery cell; a detection wire configured to transmit state information of the battery cell; a connector including a rim edge member and an accommodation member, the rim edge member surrounding an open end configured to receive a connection end of the detection wire, the accommodation member being recessed from the rim edge member in a first direction to enclose the connection end; and a retainer extending across the detection wire in a second direction crossing the first direction and coupled to the open end of the connector from the outside such that the retainer is between the connector and the detection wire in a third direction crossing both the first direction and the second direction.

Abstract: A battery management unit provided with a structure for preventing separation of a card edge connector and a structure for preventing separation of a card edge connector are provided. A battery management unit provided with a structure for preventing separation of a card edge connector includes a main circuit board and a sub-circuit board assembled to the main circuit board in an upright position, in which the main circuit board includes a slot block configured for insertion of the sub-circuit board, a first pivoting member including a first pivoting lever pivotably arranged around the slot block, a catching protrusion at a side of the first pivoting lever and insertable into a recess in the sub-circuit board, and a stepped portion at another side of the first pivoting lever, and a second pivoting member pivotably arranged around the slot block to press-contact the stepped portion.

Abstract: A battery pack including battery cells; a circuit unit connected to the battery cells; and a flexible wiring connecting the battery cells and the circuit unit to each other, wherein the flexible wiring includes a first end portion to which a plurality of conductive lines are physically bound; and a first group of conductive lines and a second group of conductive lines which extend from the first end portion, branch off from each other, and then extend in parallel to each other, and the first group of conductive lines includes a folded portion at a branching position at which the first group of conductive lines is separated from the second group of conductive lines.

Abstract: A rechargeable battery pack includes a cell assembly including at least one battery cell, a frame portion accommodating the cell assembly, a flexible printed circuit (FPC) electrically connected to the cell assembly and configured to sense at least one property of the battery cell, and a dual-in-line plug (DIP) connector electrically connected to the flexible printed circuit on a first side of the frame portion. The flexible printed circuit and the DIP connector are electrically connected to each other by an electrically conductive adhesive.

Abstract: A rechargeable battery pack includes a cell assembly including at least one battery cell; a frame accommodating the cell assembly; a cell monitor circuit board on an upper portion of the cell assembly; and a flexible printed circuit board electrically connected to the cell assembly, the flexible printed circuit board being configured to sense the battery cell and being electrically connected to the cell monitor circuit board, wherein the cell monitor circuit board and the flexible printed circuit board are electrically connected to each other through an electrically conductive adhesive.

Abstract: A rechargeable battery pack according to an embodiment includes: a cell assembly including at least one battery cell; a side frame accommodating the cell assembly; a flexible printed circuit (FPC) electrically connected to the cell assembly and configured to sense at least one property of the battery cell; and a cell supervision circuit electrically connected to the flexible printed circuit and on one side of the side frame. The flexible printed circuit may be electrically connected to the cell supervision circuit by an electrically conductive solder.

Abstract: A battery pack includes a battery cell, an input/output terminal to/from which a charging/discharging current of the battery cell is to be inputted/outputted, and a connector detachably connected to the input/output terminal, and the input/output terminal includes a first hollow conductive member protruding in a first direction and a second hollow conductive member protruding to surround an outer periphery of the first hollow conductive member, the connector includes a central guide protruding in a second direction opposite to the first direction and a third hollow conductive member protruding to surround the outer periphery of the central guide, the central guide is fitted into a hollow portion of the first hollow conductive member, and the third hollow conductive member is fitted into a space between the first and second hollow conductive members and is electrically connected to the first and second hollow conductive members by an elastic connection member.

Abstract: A battery pack includes a battery cell, an input/output terminal to/from which a charging/discharging current of the battery cell is to be inputted/outputted, and a connector detachably connected to the input/output terminal, and the input/output terminal includes a first hollow conductive member protruding in a first direction and a second hollow conductive member protruding to surround an outer periphery of the first hollow conductive member, the connector includes a central guide protruding in a second direction opposite to the first direction and a third hollow conductive member protruding to surround the outer periphery of the central guide, the central guide is fitted into a hollow portion of the first hollow conductive member, and the third hollow conductive member is fitted into a space between the first and second hollow conductive members and is electrically connected to the first and second hollow conductive members by an elastic connection member.

Abstract: A battery pack includes: battery cells; and sensing units for acquiring state information of the battery cells. The sensing units include: sensing substrates extending in a first direction and having a first position at where sensing devices are positioned; and sensing terminals connected to the sensing substrates at a second position different from the first position and connected to the battery cells to acquire the state information. The sensing substrates and the sensing terminals overlap each other at the first and second positions in a second direction and extend to cross each other so that upper and lower positions are reversed in the second direction.

Abstract: A battery pack includes: a plurality of battery cells; a battery management system to acquire state information and control charge-discharge operations; a wiring board through which the state information is transmitted to the battery management system, the wiring board including conductive lines for transmitting different electrical signals; and a connector including a connector terminal coupled to the conductive lines and a connector housing accommodating the connector terminal, the connector being coupled to a mating connector of the battery management system, wherein the connector terminal includes a bottom plate accommodating the conductive lines, and barrels protruding upward from the bottom plate and configured to be compressed onto the conductive lines while surrounding the conductive lines, and first and second embossments on the bottom plate and the barrels of the connector terminal, the first and second embossments protruding toward the conductive lines.

Abstract: A battery pack is provided. The battery pack includes a battery cell, an input/output terminal electrically connected to the battery cell, the input/output terminal including an upper end portion and a lower end portion in a first direction, and a charge/discharge current of the battery cell being input and output through the input/output terminal, a connector electrically coupled to the input/output terminal, the connector including a fastening portion coupled to the input/output terminal at a fastened height between the upper end portion and the lower end portion of the input/output terminal, and a slider which is slidable in a second direction crossing the first direction, between a first position, at which the slider covers the fastening portion, and a second position, at which the slider exposes the fastening portion, and a fastening member electrically coupling the input/output terminal and the connector to each other.

Abstract: A battery pack including battery cells; a circuit unit connected to the battery cells; and a flexible wiring connecting the battery cells and the circuit unit to each other, wherein the flexible wiring includes a first end portion to which a plurality of conductive lines are physically bound; and a first group of conductive lines and a second group of conductive lines which extend from the first end portion, branch off from each other, and then extend in parallel to each other, and the first group of conductive lines includes a folded portion at a branching position at which the first group of conductive lines is separated from the second group of conductive lines.