Abstract: A battery pack includes a plurality of battery cells; a cell holder surrounding an accommodation space in which the plurality of battery cells are accommodated, the cell holder including a hollow protrusion located at a temperature detection position for temperature measurement of the plurality of battery cells; a cover on the cell holder and including an exposure hole to expose the hollow protrusion; and a thermistor accommodated in the hollow protrusion through the exposure hole. The battery pack may provide a module with various outputs and capacities, by using battery packs having the same structure as one unit and connecting a plurality of battery packs to each other, and may provide scalability to adaptively correspond to various outputs and capacities using the battery packs having the same structure, by increasing or reducing the number of battery packs to be included in the module.

Abstract: A battery pack includes multiple battery cells, and a cell holder assembled with the multiple battery cells, the cell holder including a rim portion around an outer circumference of a first battery cell from among the multiple battery cells and multiple protrusions at positions along the rim portion and protruding from the rim portion in a height direction.

Abstract: A battery pack includes a plurality of battery cells, a circuit board electrically connecting the plurality of battery cells together, the circuit board extending along a first direction and a second direction, and a bus bar connected to the circuit board to form a charge/discharge path, wherein the bus bar extends along a third direction, different from the first and second directions.

Abstract: A battery pack includes: a plurality of battery cells in a plurality of rows in a row direction, the battery cells being arranged such that rows adjacent to each other in a transverse direction crossing the row direction are alternately shifted to forward and backward positions in the row direction; a busbar extending in the row direction, the busbar including: a busbar body portion extending in the row direction; a busbar front connection portion at one end thereof; and a busbar rear connection portion at another end thereof, the busbar front connection portion and the busbar rear connection portion protruding from the busbar body portion and having different lengths and levels from each other; and a case accommodating the battery cells, the case including a front wall and a rear wall having complementary shapes and facing each other in the row direction with the battery cells therebetween.

Abstract: Provided is a battery pack with an improved sealing force, the battery pack including: a lower case having a space therein and having a groove portion formed to extend along a certain width of an outer top surface; an upper case arranged on the lower case; a battery unit accommodated in an internal space of the lower case and including a plurality of battery cells; and a sealing member inserted into the groove portion to be located between the upper case and the lower case, wherein a cross-sectional shape thereof has an upper surface, a lower surface, and a side surface connecting the upper surface to the lower surface, the upper surface is formed as a curved surface convexed toward the upper case, and a protrusion portion forming a step with the upper surface is located at the side surface.

Abstract: A battery pack includes a plurality of battery cells, a circuit board electrically connecting the plurality of battery cells together, the circuit board extending along a first direction and a second direction, and a bus bar connected to the circuit board to form a charge/discharge path, wherein the bus bar extends along a third direction, different from the first and second directions.

Abstract: Provided is a battery pack with an improved sealing force, the battery pack including: a lower case having a space therein and having a groove portion formed to extend along a certain width of an outer top surface; an upper case arranged on the lower case; a battery unit accommodated in an internal space of the lower case and including a plurality of battery cells; and a sealing member inserted into the groove portion to be located between the upper case and the lower case, wherein a cross-sectional shape thereof has an upper surface, a lower surface, and a side surface connecting the upper surface to the lower surface, the upper surface is formed as a curved surface convexed toward the upper case, and a protrusion portion forming a step with the upper surface is located at the side surface.

Abstract: A battery pack includes: a case including a cell accommodation portion to accommodate a battery cell; and output terminals protruding upward from a first side of an upper portion of the case, and the output terminals protrude from first height-difference surfaces stepped downward from a first surface that is an uppermost surface of the first side of the case. The structure of the battery pack is improved such that the output terminals protruding outward may be effectively protected from impactive force, and the battery pack may be combined with other battery packs having substantially the same shape to flexibly cope with high-output, high-capacity demand.

Abstract: A secondary battery in which electric connection between an electrode tab of a bare cell and a connection tab of a protective circuit module is performed by welding the electrode tab of the bare cell to the connection tab of the protective circuit module that form a battery pack. A process is provided so that electrode tabs of two or more laminated bare cells are easily and precisely welded to a single, or more, connection tabs by a worker. The welding process is effectively performed and welding strength between the tabs increases.

Abstract: A battery pack includes at least one battery cell and a base and a cover, together adapted to house the at least one battery cell. A plurality of linking holes are located on at least one first side surface of one of the base or the cover, each linking hole defined by a periphery, wherein at least a portion of the periphery includes a reinforcement that is thicker than the thickness of the first side surface. A plurality of linking protrusions are located on at least one second side surface of the other of the base or the cover, each of the plurality of linking protrusions adapted to mate with a corresponding linking hole, thereby holding the base and cover in engagement with one another.

Abstract: Disclosed is a battery pack that includes a bare cell for producing electricity, a circuit board electrically coupled to the bare cell, and a case for accommodating the bare cell and circuit board. The case has a foot rubber installing part formed on an outer surface of the case, and the foot rubber installing part has a tub for accommodating a foot rubber. The tub has a receiving groove formed on an inner surface of the tub. The receiving groove is an extra space that does not accommodate the foot rubber. The receiving groove stores an excess of glue material that is used to couple the foot rubber to the foot rubber installing part.

Abstract: A secondary battery in which electric connection between an electrode tab of a bare cell and a connection tab of a protective circuit module is performed by welding the electrode tab of the bare cell to the connection tab of the protective circuit module that form a battery pack. A process is provided so that electrode tabs of two or more laminated bare cells are easily and precisely welded to a single, or more, connection tabs by a worker. The welding process is effectively performed and welding strength between the tabs increases.

Abstract: A battery pack includes at least one battery cell and a base and a cover, together adapted to house the at least one battery cell. A plurality of linking holes are located on at least one first side surface of one of the base or the cover, each linking hole defined by a periphery, wherein at least a portion of the periphery includes a reinforcement that is thicker than the thickness of the first side surface. A plurality of linking protrusions are located on at least one second side surface of the other of the base or the cover, each of the plurality of linking protrusions adapted to mate with a corresponding linking hole, thereby holding the base and cover in engagement with one another.

Abstract: Disclosed is a battery pack that includes a bare cell for producing electricity, a circuit board electrically coupled to the bare cell, and a case for accommodating the bare cell and circuit board. The case has a foot rubber installing part formed on an outer surface of the case, and the foot rubber installing part has a tub for accommodating a foot rubber. The tub has a receiving groove formed on an inner surface of the tub. The receiving groove is an extra space that does not accommodate the foot rubber. The receiving groove stores an excess of glue material that is used to couple the foot rubber to the foot rubber installing part.

Abstract: Disclosed is a battery pack having a case in which a groove is formed near a pin point gate part so as to prevent formation of a crack in the case caused by external impact. The groove distributes stress caused by external impact. By preventing the formation of a crack, an electrolyte leaking out of a bare cell is prevented from flowing into a notebook computer through the crack. The battery pack includes at least one bare cell, a circuit board electrically coupled to the bare cell and a case formed so as to receive the bare cell and the circuit board. The case includes pin point gates formed in the front of the case during an injection molding process and grooves formed near the pin point gates.