Abstract: A battery pack includes a battery module including a battery cell and configured to perform a first identification function for enabling a device outside the battery module to recognize characteristics of the battery cell, and a battery management system for controlling operations of the battery cell and configured to perform a second identification function for enabling a device outside the battery management system to recognize a type of the battery management system.

Abstract: A battery pack including a plurality of battery cell groups including a first battery cell group and a second battery cell group, a first switch that is connected to the first battery cell group, a second switch that is connected to the second battery cell group, and a controller configured to selectively control charging and discharging operations of the first battery cell group and the second battery cell group using the first switch and the second switch.

Abstract: An apparatus for charging a battery of an electric device that has a motor by not charging the battery before the electric device is used and a method of charging a battery of an electric device that has a motor by using the apparatus. The apparatus includes a load, a motor for driving the load, a battery that provides a power supply to the motor, a generator that converts a kinetic energy that is generated by the motor to an electric energy, and a control unit that senses an amount of the load of the load and, if the amount of the load is less than a reference value, charges the battery by a first charging mode by using the electric energy output from the generator.

Abstract: A lead plate for connecting a printed circuit board (PCB) of a secondary battery to an bare cell includes a mounting portion connected to the PCB, a joint portion connected to the bare cell, a surface area of the joint portion facing the bare cell being smaller than a surface area of the mounting portion facing the PCB, and a step portion connecting the mounting portion and the joint portion to each other.

Abstract: A battery module is disclosed. According to one aspect, the battery module includes: a plurality of batteries, and at least one thermistor inserted and fixed into a gap region between the plurality of batteries. The thermistor may be configured to have a variable width along an inserted direction where a size of the gap region changes. According to another aspect, a controller electrically connected to the at least one thermistor is disclosed. The controller is configured to control a charging and discharging operation of the plurality of batteries by receiving an output signal of the at least one thermistor. Accordingly, a temperature sensor is prevented from deviating its location, stability of the temperature sensor is improved, and installation of the temperature sensor is simplified.

Abstract: A battery pack and a method of controlling the same are disclosed. According to some aspects, the battery pack includes at least one chargeable battery cell, and a charge control circuit that receives a control signal from an external source. The charge control circuit is configured to control charging of the battery cell according to the control signal. As a result, a charging operation may be stably performed.

Abstract: A lead plate for connecting a printed circuit board (PCB) of a secondary battery to an bare cell includes a mounting portion connected to the PCB, a joint portion connected to the bare cell, a surface area of the joint portion facing the bare cell being smaller than a surface area of the mounting portion facing the PCB, and a step portion connecting the mounting portion and the joint portion to each other.

Abstract: A lead plate for connecting a printed circuit board (PCB) of a secondary battery to an bare cell includes a mounting portion connected to the PCB, a joint portion connected to the bare cell, a surface area of the joint portion facing the bare cell being smaller than a surface area of the mounting portion facing the PCB, and a step portion connecting the mounting portion and the joint portion to each other.

Abstract: The secondary battery includes: a can, and electrode assembly disposed in the can; a protection circuit board disposed around an opening of the can, including an external connection terminal; a double-coated adhesive tape interposed between the can and the protection circuit board; a cap assembly including a cap-up, to seal the opening of the can; a first lead connected to the protection circuit board and welded to the cap-up; a second lead connected to the protection circuit board and welded to a bead of the can; and a top cover having a terminal hole corresponding to the external connection terminal.

Abstract: A secondary battery includes a bare cell, and a protection circuit module electrically connected to the bare cell, the protection circuit module including a circuit board including a welding hole therethrough and a welding pad adjacent to the welding hole, and an electrode terminal tab positioned between the circuit board and the bare cell, the electrode terminal tab having a terminal connection portion and a board connection portion electrically connected to the bare cell and the circuit board, respectively, wherein the welding hole exposes the terminal connection portion of the electrode terminal tab, and the welding pad is electrically connected to the board connection portion of the electrode terminal tab.

Abstract: A battery pack and a method of controlling charging of the battery pack, the battery pack including a chargeable battery cell, a first charging circuit wirelessly charging the battery cell, a terminal part connecting the battery cell to an external device, a second charging circuit charging the battery cell by using power from an external power source connected to the terminal part, and a control circuit controlling charging performed by the first charging circuit and the second charging circuit, thereby allowing wireless and wired charging of the battery pack.

Abstract: A lead plate for connecting a printed circuit board (PCB) of a secondary battery to an bare cell includes a mounting portion connected to the PCB, a joint portion connected to the bare cell, a surface area of the joint portion facing the bare cell being smaller than a surface area of the mounting portion facing the PCB, and a step portion connecting the mounting portion and the joint portion to each other.

Abstract: A manufacturing method for a protection circuit module of a secondary battery is disclosed. The method includes mounting a die type circuit device to an FPCB. The mounting of the circuit device includes bonding the circuit device to the FPCB by wire bonding. The method may further include forming a protective layer on the FPCB to cover the circuit device. The protective layer may be formed by coating insulation resin on the FPCB.

Abstract: A protection circuit module includes a printed circuit board in which at least one wiring pattern is formed, a conductive pad that is coupled to a wiring pattern of the printed circuit board, and is electrically coupled to a rechargeable battery, and a semiconductor package that is soldered on the wiring pattern of the printed circuit board, so that if the voltage of the rechargeable battery is in the overcharged or over-discharged state, the semiconductor package selectively blocks a charging path or a discharging path of the rechargeable battery.

Abstract: A protection circuit module (PCM) for a secondary battery including a bare cell is provided. The PCM includes: a flexible printed circuit board (FPCB); and control circuitry mounted on the FPCB via adhesive material and configured for electrical coupling to the bare cell through the FPCB. The control circuitry is adapted to control charging and discharging of the bare cell.

Abstract: A battery pack includes a bare cell and a protection circuit assembly electrically connected to the bare cell. The protection circuit assembly includes a protection circuit board on which a protection module, a PTC thermistor, an external connection terminal, a first connection terminal and a second connection terminal are mounted. A first lead plate and a second lead plate are in contact with the first connection terminal and the second connection terminal, respectively. The protection circuit board defines opposite lateral edges and a first groove in each of the opposite lateral edges, and the first lead plate is exposed through the first groove.

Abstract: A protective circuit board includes a printed circuit board, the printed circuit board including a first region and a second region, at least one safety device on the first region of the printed circuit board, the first region being thinner than the second region along a direction perpendicular to a contact plane between the printed circuit board and the safety device, and an external connection terminal on the printed circuit board.

Abstract: The secondary battery includes: a can, and electrode assembly disposed in the can; a protection circuit board disposed around an opening of the can, including an external connection terminal; a double-coated adhesive tape interposed between the can and the protection circuit board; a cap assembly including a cap-up, to seal the opening of the can; a first lead connected to the protection circuit board and welded to the cap-up; a second lead connected to the protection circuit board and welded to a bead of the can; and a top cover having a terminal hole corresponding to the external connection terminal.

Abstract: A protection circuit module includes a printed circuit board in which at least one wiring pattern is formed, a conductive pad that is coupled to a wiring pattern of the printed circuit board, and is electrically coupled to a rechargeable battery, and a semiconductor package that is soldered on the wiring pattern of the printed circuit board, so that if the voltage of the rechargeable battery is in the overcharged or over-discharged state, the semiconductor package selectively blocks a charging path or a discharging path of the rechargeable battery.