Abstract: A secondary battery includes a bare cell and a protection circuit module electrically connected to the bare cell. The protection circuit module includes a flexible printed circuit board including a circuit board body and a terminal-forming portion providing a first external terminal and a second external terminal and a support member to which the terminal-forming portion is attached, the support member having a support surface spaced from the circuit board body.

Abstract: The present invention relates to a secondary battery. The present invention is aimed to provide a secondary battery having a thin upper case formed of a metal. The secondary battery includes a bare cell; a protection circuit module having a circuit board; an upper case formed of a metal and having a cover plate for covering the circuit board of the protection circuit module; and a case-insulating layer formed on an external surface of the cover plate of the upper case.

Abstract: A battery pack having a connector that is designed to work outdoors or in a moist environment. The battery pack includes a case including a first case attached to a second case to enclose an inner space within, a plurality of rechargeable batteries arranged within the inner space and a connector arranged within the inner space of the case, being exposed to an outside of the battery pack to enable a device external to the battery pack to be electrically connected via the connector to the rechargeable batteries, wherein the connector is arranged to form a waterproof barrier between an outside of the battery pack and a remainder of the inner space of the case not occupied by the connector.

Abstract: A side case coupled to a secondary battery in a sliding manner to cover sides of the secondary battery. The secondary battery includes: a rectangular prism battery body; a guide member arranged in a lengthwise direction of one of the pair of the sides of the battery body; a first side case that includes a horizontal portion that is coupled to the guide member to cover one of the horizontal sides of the battery body and a vertical portion that is connected to one end of the horizontal portion to cover at least a portion of an adjacent side of the battery body; and a second side case that is coupled to the battery body, and includes vertical and horizontal portions that are generally symmetric to the vertical portion and the horizontal portion of the first side case and a plurality of terminal holes formed in the horizontal portion.

Abstract: A battery pack storing device capable of charging and discharging a battery pack and an electric bicycle including the same are disclosed. The battery pack storing device stores a battery pack and provides mechanical and electrical connections to an electric device, such as a vehicle.

Abstract: A secondary battery capable of being formed to be relatively small by reducing the sizes of internal devices and compactly locating the internal devices. Accordingly, the volume of the secondary battery is reduced and the capacity thereof is maintained, thereby increasing the capacity density of the secondary battery. In one embodiment, the secondary battery includes a bare cell having a cap plate and a protection circuit module on the bare cell and including a printed circuit board surface-contacting the cap plate.

Abstract: A protective circuit module including: an insulating substrate including a plurality of layers; first and second printed circuit patterns disposed between the plurality of layers of the insulating substrate; a loop antenna electrically coupled to the first printed circuit pattern; and a wireless charging portion spaced apart from the loop antenna and electrically coupled to the second printed circuit pattern, wherein ends of the loop antenna and ends of the wireless charging portion are between the plurality of layers of the insulating substrate.

Abstract: A protective circuit board including a layered insulating substrate, a printed circuit pattern disposed within the insulating substrate, and a loop antenna electrically connected to the printed circuit pattern. Ends of the loop antenna can be inserted into the insulating substrate and connected to the printed circuit pattern. Portions of the printed circuit pattern may extend out of the insulating substrate, and may be connected to the loop antenna. The protective circuit board can be included in a secondary battery pack comprising a secondary battery. The loop antenna can be adhered to the secondary battery.

Abstract: A secondary battery that can simplify manufacturing of an assembly of a bare cell and a protection circuit module, and reduce manufacturing costs by installing a connecting member of a protection circuit module electrically coupled to a bare cell in one direction of the bare cell. The secondary battery may be constructed with a bare cell; a protection circuit module installed on one edge side surface of the bare cell; first and second electrode terminals included in the bare cell; and first and second lead plates respectively configured to electrically couple the protection circuit module to the first and second electrode terminals, wherein the first and second lead plates are installed on the same single side edge surface between side surfaces of the bare cell.

Abstract: A battery pack includes a bare cell including a cap plate and an electrode terminal insulated from the cap plate and a circuit module including a circuit board having a first short side, a second short side generally opposite the first short side, a first long side and a second long side generally opposite the first long side. The circuit board includes a base lead plate attached to the circuit board and a base fixing protrusion extending from the base lead plate, wherein the circuit module is on and electrically connected to the bare cell. The battery pack also includes an upper cover covering the circuit module, the upper cover including a base fixing groove adapted to receive the base fixing protrusion, wherein base fixing protrusion is in the base fixing groove.

Abstract: A power supply apparatus for an electric bicycle is disclosed. The apparatus may include i) a battery pack and ii) a keybox connected to the battery pack and controlling on/off operations of the power supply apparatus. The keybox may further include i) a key set configured to receive a key cylinder that is moveable according to the rotation of a key inserted into the key box, ii) a contact terminal that includes a first plurality of sub-terminals, iii) a terminal base including at least one second sub-terminal connectable to and detachable from at least one of the first sub-terminals and iv) a keybox case configured to receive the key set, the contact terminal, and the terminal base. The terminal base may have a plate shape with a polygonal periphery surface at least part of which contacts an inner portion of the keybox case.

Abstract: A battery pack for an electric bicycle is disclosed. In one embodiment, the battery pack includes i) a lower case having a top, a bottom and an interior space formed between the top and bottom and ii) a battery cell placed in the interior space of the lower case, wherein the battery cell has first and second surfaces opposing each other, and wherein the first surface of the battery cell is closer to the bottom of the lower case than the second surface of the battery cell. The battery pack may further include i) a protection circuit board mounted on the second surface of the battery cell and placed in the interior space of the lower case, ii) an upper case formed over the top of the lower case and iii) a separator case formed between the protection circuit board and the upper case.

Abstract: The present invention relates to a lithium rechargeable battery having outer covers, each having a rib formed on the inner surface thereof, coupled to both sides of a core pack, which makes it possible to prevent resin from flowing into the outer covers when resin molding parting is performed on an upper part of the core pack and thus to reduce defects occurring in the outer covers due to the flow of resin. A lithium rechargeable battery according to an embodiment of the invention includes a core pack having a bare cell and a protective circuit module which is arranged on the top side of the bare cell so as to be electrically connected to the bare cell through lead plates; outer covers covering two short lateral sides of the core pack on which the lead plates are provided; and a resin molding part formed at an upper part of the core pack, the upper part of the core pack includes a portion of each of the outer covers and the protective circuit module.

Abstract: A protective circuit board including a layered insulating substrate, a printed circuit pattern disposed within the insulating substrate, and a loop antenna electrically connected to the printed circuit pattern. Ends of the loop antenna can be inserted into the insulating substrate and connected to the printed circuit pattern. Portions of the printed circuit pattern may extend out of the insulating substrate, and may be connected to the loop antenna. The protective circuit board can be included in a secondary battery pack comprising a secondary battery. The loop antenna can be adhered to the secondary battery.

Abstract: A protective circuit module including a layered insulating substrate, a printed circuit pattern disposed within the insulating substrate, and a loop antenna electrically connected to the printed circuit pattern. Ends of the loop antenna can be inserted into the insulating substrate and connected to the printed circuit pattern. Portions of the printed circuit pattern may extend out of the insulating substrate, and may be connected to the loop antenna. The protective circuit module can be included in a secondary battery pack comprising a secondary battery. The loop antenna can be adhered to the secondary battery.

Abstract: A battery pack includes battery cells, each including a first conductive terminal and a second conductive terminal, the battery cells being arrayed from a first side to a second side of the battery pack. A first conductive tab electrically connects the first conductive terminals of the battery cells to each other, a second conductive tab electrically connects the second conductive terminals of the battery cells to each other, a first conductive external terminal is electrically connected to a side of the first conductive tab and is configured to be electrically connected to an external device, and a second conductive external terminal is electrically connected to a side of the second conductive tab and is configured to be electrically connected to the external device. A battery pack stack includes battery packs, each including a first conductive external terminal and a second conductive external terminal, the battery packs being arrayed from a first end to a second end of the stack.

Abstract: A secondary battery having a porous filling member that occupies a portion of a molding space between a bare cell and a protective circuit board. The presence of the filling member makes it possible to uniformly apply a molding resin into the molding space and to reduce defects due to thickness irregularity of a mold or a surface defect thereof. The secondary battery includes a bare cell, a protective circuit module including a protective circuit arranged on a protective circuit board and a plurality of electrical connection members electrically connecting the protective circuit board to the bare cell, a filling member arranged between the bare cell and the protective circuit board and a mold covering the electrical connection members and the filling member.

Abstract: A pack type battery includes a bare cell having a top edge, a bottom edge, and opposing side surfaces. A protective circuit module is electrically coupled to the bare cell by a lead plate. A substrate cover is attached to the bare cell and covers the protective circuit module. A pair of elongate cell covers are provided, each elongate cell cover including a base for covering an edge of the bare cell and a skirt extending from longitudinal edges of the base for covering a portion of the opposing side surfaces. A label covers the opposing side surfaces of the bare cell and the skirt of each elongate cell cover.

Abstract: A battery pack including a plurality of unit cells, the battery pack including: a plurality of unit cells, a case accommodating the plurality of unit cells, and a first insulation structure covering a first external surface of the case. A plurality of first guide pins project from the first external surface of the case. A plurality of first coupling holes into which the first guide pins are respectively inserted is formed in the first insulation structure.

Abstract: A secondary battery including a bare cell, a protection circuit module provided with a circuit board, and a coupling member adapted to connect the bare cell to the protection circuit module. The coupling member has a bare cell coupling portion coupled to the bare cell, first and second circuit board coupling portions coupled to the circuit board, and first and second connecting portions connecting the bare cell coupling portions to the first and second circuit board coupling portions, respectively.