Abstract: Provided are a lithium-ion secondary battery capable of measuring the concentration of lithium ions in an stored electrolyte in a predetermined portion, an assembled battery using the same, a vehicle and a battery-equipped device equipped with the battery or the assembled battery, a battery system capable of acquiring the concentration-correlated physical quantity in the lithium-ion secondary battery, and a method for detecting the deterioration of the lithium-ion secondary battery. A lithium-ion secondary battery comprises a power generation element including a positive electrode plate and a negative electrode plate, a battery case housing the power generation element, and an electrolyte containing lithium ions and held in the battery case, and further comprises a stored-electrolyte physical quantity measuring means capable of measuring the concentration-correlated physical quantity having a correlation to the concentration of lithium ions in the stored electrolyte stored between the element and the case.

Abstract: A multilayer busbar for connecting a plurality of battery cells includes a cell connection layer including a plurality of conductor plates arranged to serially connect the plurality of battery cells. The busbar also includes a flexible circuit layer including a substrate having a plurality of measurement lines formed on it where the measurement lines are arranged to connect to a positive and a negative connection location on at least two of the plurality of battery cells.

Abstract: Bus bars (11) and (12) electrically connecting the positive and negative poles of adjacent unit batteries (1) and a detection circuit (13) configured to detect the voltage of the unit batteries (1) are integrally molded with resin into a bus bar module (10). One bus bar (11) of the bus bar module (10) connects the positive pole of one unit battery (1a) and the negative pole of a positive pole side unit battery (1b) situated on the positive pole side of the unit battery (1a) in the battery module; and the other bus bar (12) connected to the negative pole of the unit battery (1a) is connected to the positive pole of a negative pole side unit battery (1c) situated on the negative pole side of the unit battery (1a) in the battery module. The detection circuit (13) is arranged between the bus bar (11) and the bus bar (12), and detects the voltage of the unit battery (1a) and of the positive pole side unit battery (1b).

Abstract: A battery module includes a battery block and a printed circuit board. The battery block includes a plurality of laminated battery cells. A detection circuit and an amplification circuit are mounted on the printed circuit board. In the battery block, a bus bar is attached to electrodes of the two battery cells in close proximity to each other so that the plurality of battery cells are connected in series. The bus bar attached to one of the electrodes of the battery cell at one end of the battery block is used as a shunt resistor for current detection. The detection circuit detects a voltage between both ends of the shunt resistor, which has been amplified by the amplification circuit.

Abstract: Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a battery charging and monitoring system is disclosed. The system includes a host machine providing a plurality of charging slots and a plurality of wireless devices coupled to and powered by a plurality of batteries. The host machine is adapted to communicate with the plurality of wireless devices through a plurality of wireless links to monitor the plurality of batteries coupled to the wireless devices. According to another embodiment, an electronic device is disclosed. The electronic device is adapted to couple with at least a rechargeable battery and to negotiate with the rechargeable battery for an agreed range of power parameters. The electronic device is further adapted to accept power from and to provide power to the rechargeable battery at the agreed range of power parameters.

Abstract: A battery pack and a method of inspecting a storage state of a secondary battery in the battery pack are provided. In the method of inspecting a storage state of a secondary battery in the battery pack, the battery pack includes (A) a plurality of secondary batteries and (B) a housing, the housing having a plurality of storage sections and containing the secondary batteries in the respective storage sections; a conductive member 30 is attached to an outer surface of each of the secondary batteries made of a non-conductive material; each of the storage sections is provided with at least two detection sections; and depending on a storage state of each of the secondary batteries in each of the storage sections, two detection sections are in contact with the conductive member, or at least one detection section is not in contact with the conductive member.

Abstract: A battery storage system includes: a plurality of battery modules that are electrically connected in series and in parallel, each comprising a plurality of battery cells; a plurality of sensors provided to each of the plurality of battery modules, that output at least signals corresponding to voltage and current of the each of the battery modules; a plurality of first control devices each of which is provided to the each of the plurality of battery modules, and obtains a power that can be inputted and outputted to and from the each of the battery modules based upon the voltage and current obtained from the output signals of the sensors of the each of the battery modules; and a second control device that performs overall control of the plurality of first control devices, and if a fault of a sensor in any one of the plurality of battery modules has occurred, the second control device obtains a total power that can be inputted and outputted to and from the all of the battery modules, based upon powers each of wh

Abstract: It is intended to provide a battery module having a long life by designing such that deterioration proceeds evenly among battery cells. Disclosed is a battery module including a plurality of battery groups being connected in series and each comprising a plurality of battery cells connected in parallel, wherein: a positive electrode terminal and a negative electrode terminal are provided; the battery groups are connected to each other by a plurality of electrically conductive strips; and an electrical resistance value of the conductive strip arranged at a position near a virtual line drawn between the positive electrode terminal and the negative electrode terminal is high, and an electrical resistance value of the conductive strip arranged at a position other than the position near the virtual line is low, the electrical resistance value being measured in a direction of charge and discharge current flow.

Abstract: A storage battery system includes a battery module including nonaqueous electrolyte secondary batteries. The storage battery system further includes a temperature sensor which measures a temperature of the battery module, a voltmeter which measures a voltage of each of the nonaqueous electrolyte secondary batteries and a charge control unit which controls a maximum end-of-charge voltage V1 (V) of the nonaqueous electrolyte secondary batteries to fall within the range defined in formula (1) given below when the temperature of the battery module is not lower than 45° C. and is not higher than 90° C.: 0.85×V0?V1?0.

Abstract: The provision of a mode in silver zinc batteries where a user can access extra capacity as an emergency reserve for times when extra capacity is needed. While this temporarily increases capacity, it does not detrimentally affect cycle life over the longer term, and it permits a silver zinc battery to essentially mimic the long term capacity and cycle life characteristics of a lithium ion battery while still affording inherent advantages associated with silver zinc batteries. In a variant embodiment, this ability to temporarily increase capacity is optimally employed at the end of a battery life cycle in a controlled “roll-off” that accords additional cycles of battery service life. In another variant embodiment, the general capability to control capacity is employed to gradually decrease the available capacity of a battery over the life of the battery, to thereby extend the battery service life.

Abstract: Systems and methods monitoring battery bus bars are disclosed. In one example, positive temperature coefficient thermistors are coupled to battery bus bars. The systems and method may reduce the cost and complexity of battery bus bar monitoring.

Abstract: A battery module including a plurality of thin plate batteries that have a substantially rectangular shape as viewed from above and that are placed one on top of the other is disclosed. The thin plate batteries each have a positive electrode tab and a negative electrode tab extending from a front side. The positive electrode tab and the negative electrode tab of adjacent thin plate batteries face each other. The positive electrode tab and the negative electrode tab that face each other are electrically connected such that the thin plate batteries are connected in series. An electrically conducting path that electrically connects the positive electrode tab and the negative electrode tab is folded along a folding line that is parallel to a lateral side adjacent to the front side.

Abstract: Provided are a battery pack manufacturing method, which can prevent a drawback where some of the used secondary batteries constituting a battery pack prematurely come to an end and which can suppress the enlargement of the temporary voltage difference between a used secondary battery at a charging/discharging time (especially in a low-temperature circumstance), and a battery pack. The battery pack manufacturing method includes an acquiring step of acquiring the individual internal resistances of used secondary batteries collected from the market, a selection step of selecting a plurality of the used secondary batteries having the internal resistances close to each other from a group of the used secondary batteries whose internal resistances have been acquired, and an assembling step of combining the used secondary batteries selected, to constitute the battery pack.

Abstract: A voltage detection terminal (27a-27e, 27aa-27ee, 27aaa-27eee) and a discharge terminal (21a-21e) are connected to a peripheral edge portion of a collector (4a-4e) of a bipolar battery (2). Assuming a first straight line (Da1) that connects a centroid of the collector (4a-4e) and the voltage detection terminal (27a-27e) and a second straight line (Da2) that is orthogonal to the first straight line (Da1), the discharge terminal (21a-21e) is disposed on an opposite side of the second straight line (Da2)-the voltage detection terminal (27a-27e). A requirement relating to measurement of a voltage of the collector (4a-4e) and a requirement relating to discharge are thereby both satisfied.

Abstract: A battery apparatus having an electrochemical cell that includes an electrically insulating hollow mandrel, a pair of active materials wound on the mandrel, and a sensing unit located within the mandrel and coupled to the pair of active materials through a pair of contacts. The active materials are connected and separated by an electrolyte. The sensing unit is configured to monitor conditions of the cell and to generate a signal indicative of a sensed condition for communication to a battery management unit.

Abstract: A current sensor includes a magnetic balance sensor and a switching circuit. The magnetic balance sensor includes a feedback coil which is disposed near a magnetic sensor element varying in characteristics due to application of an induction field caused by measurement current and which produces a canceling magnetic field canceling the induction field. The switching circuit switches between magnetic proportional detection and magnetic balance detection. The magnetic proportional detection is configured to output a voltage difference as a sensor output. The magnetic balance detection is configured to output, as a sensor output, a value corresponding to current flowing through the feedback coil when a balanced state in which the induction field and the canceling magnetic field cancel each other out is reached after the feedback coil is energized by the voltage difference.

Abstract: Disclosed herein is a battery pack including a battery module including a cell module stack having a structure in which a plurality of cell modules, each of which includes a battery cell mounted in a cartridge, is vertically stacked, a lower end plate to support a lower end of the cell module stack, an upper end plate to fix an uppermost cartridge of the cell module stack disposed on the lower end plate, and a voltage detection assembly to detect voltages of the battery cells, a box type pack case in which the battery module is mounted, a pack cover coupled to the pack case, and fastening extension members protruding upward from the battery module to couple the battery module to the pack case and the pack cover.

Abstract: Disclosed is a battery module having a plurality of battery cells, the battery module including a cell module stack having a structure in which a plurality of cell modules having the battery cells mounted in cartridges is vertically stacked, a lower end plate supporting a lower end of the cell module stack, and an upper end plate fixing an uppermost cartridge of the cell module stack disposed on the lower end plate, wherein the cartridges and the upper and lower end plates are provided with through holes formed such that the through holes communicate with one another, a fixing member is inserted through the through holes and coupled to the upper and lower end plates, and the fixing member and the through holes are configured to have a horizontal sectional structure to restrain rotation of the fixing member when rotational force for fastening is applied to the fixing member.

Abstract: What is provided is a battery system (1) including: a battery side control unit (40) which is generates a battery side information signal having battery information of the battery cells (2); a battery accommodation casing (3) which accommodates the battery cells (2) and the battery side control unit (40); a battery side communication unit (34) which transmits the battery side information signal; a controller side communication unit (32, 33) which generates a synthesized battery side information signal; and a controller side control unit (50) which is electrically connected to the controller side communication unit (32, 33) and generates controlling information corresponding to each battery cell inside the battery accommodation casing (3) based on the battery information and the address information included in the synthesized battery side information signal received from the controller side communication unit (34).

Abstract: A battery module includes at least one pair of first and second battery cells, each of the first and second battery cells including a first electrode terminal and a second electrode terminal and a first face including a first connecting portion, a terminal connecting member electrically connecting the first electrode terminal of the first battery cell and the second electrode terminal of the second battery cell, and a sensing member including a second connecting portion coupled with the first connecting portion. The first and second connecting portions are located on the first face and the terminal connecting member is in a pressure applying relationship with the first and second connecting portions. The first face may be provided by a cap plate, and the first and second electrode terminals are spaced apart at respective ends of the cap plate.

Abstract: A rechargeable battery pack including a cell having an electrode assembly and a pouch for retaining the electrode assembly therein; an electrode tab connected to a lead tab of the cell; and a temperature sensor received in a receiving groove of the electrode tab.

Abstract: A battery system includes a battery module, a frame for receiving the battery module, a cover covering the frame, a heat sink, a battery management circuit board and a battery balancing circuit board. The battery module includes a bracket assembly and a number of batteries fixed to the bracket assembly. The batteries are electrically connected to each other. The battery management circuit board is fixed to the bracket assembly and electrically connected to the batteries. The battery management circuit board is separated by a distance from the bracket assembly. The battery balancing circuit board is fixed to the heat sink and includes a battery balancing control module for controlling surplus electric energy of the batteries dissipated into thermal energy.

Abstract: Disclosed is a voltage sensing assembly for a battery module to sense voltage of battery cells having electrode terminals formed at the upper or lower end thereof in a state in which the voltage sensing assembly is mounted in the battery module, the voltage sensing assembly including (a) an upper and a lower block case to be coupled to each other in an assembled fashion, the upper block case and the lower block case being made of an electrically insulative material, the upper block case and the lower block case being mounted to a region (front or rear) of the battery module corresponding to electrode terminal connection parts of the battery cells, (b) upper-row and lower-row conductive sensors to be connected to the electrode terminal connection parts of the battery cells, respectively, and (c) a connector to transmit voltages sensed by the conductive sensors to a battery management system (BMS).

Abstract: The invention relates to a battery assembly with high thermal conductivity. The battery assembly comprises a metal case having a hollow accommodation cavity formed therein, a plurality of battery cores installed parallel to one another within the metal case, and a common electrode for connection to the other electrode in each of the battery cores. Each of the battery cores has two electrodes, with one of the electrodes that corresponds to those of the rest of the battery cores being connected in a thermally conductive manner to the metal case. The invention takes advantage of high thermal conductivity of metallic material and dissipates heat by connecting the metal case to the battery electrodes. The invention further comprises fixation troughs formed on the metal case, thereby reducing the size of the assembly.

Abstract: The invention relates to a battery assembly with high thermal conductivity. The battery assembly comprises a metal case having a hollow accommodation cavity formed therein, a plurality of battery cells installed parallel to one another within the metal case, and a common electrode for connection to the other electrode in each of the battery cells. Each of the battery cells has two electrodes, with one of the electrodes that corresponds to those of the rest of the battery cells being connected in a thermally conductive manner to the metal case. The invention takes advantage of high thermal conductivity of metallic material and dissipates heat by connecting the metal case to the battery electrodes. The invention further comprises fixation troughs formed on the metal case, thereby reducing the size of the assembly.

Abstract: A battery system and a method for increasing an operational life of a battery cell are provided. The battery system includes a voltage sensor that generates a first signal indicative of a voltage level output by the battery cell, and a current sensor that generates a second signal indicative of a level of electrical current flowing through the battery cell. The battery system further includes a microprocessor that calculates a resistance level of the battery cell based on the first and second signals, and generates a control signal to induce a fluid supply system to increase a pressure level of the coolant fluid being supplied to the heat exchanger to a first pressure level, based on the resistance level.

Abstract: In order to enable the temperature in the region of at least one of the cell terminals that are connected to one another in an electrically conductive manner by a cell connector to be determined in a simple and reliable manner, there is proposed a cell connector for connecting a first cell terminal of a first electro-chemical cell and a second cell terminal of a second electro-chemical cell of an electro-chemical device in an electrically conductive manner which comprises a base body and a temperature sensing element that is fixed to the base body.

Abstract: A pouch type battery, including a pouch type bare cell having a terrace and having an electrode tab adjacent to the terrace, the terrace being an empty space defined where a sealing area of the electrode tab is not bent, the sealing area positioned in a direction in which the electrode tab extends, a protective circuit board electrically connected to the electrode tab, the protective circuit board positioned in the terrace and including a protection circuit, an upper case supporting the protective circuit board and encasing an upper portion of the bare cell, and a first barrier protruding downwardly from the upper case and electrically separating the protective circuit board from the electrode tab.

Abstract: According to one embodiment, a unit includes battery modules each including an assembled battery including battery cells and a monitoring device, a BMU to communicate with the battery modules, a first drawer holding the battery module, a second drawer holding the BMU, and a housing containing the first drawer and the second drawer. The first and second drawers include first composite connectors secured to a side of the housing, which is almost orthogonal to a direction in which to insert the drawers into the housing. The housing has second composite connectors which mate with the first composite connectors, thereby to connect communication lines between the monitoring device and the BMU and the main-circuit lines between the assembled batteries of the battery modules.

Abstract: Implementations of the present disclosure involve a battery management architecture for a battery system involving a plurality of connected power units. In general, the BMS comprises one or more management sub-controllers connected serially to a master controller associated with the powered device. Each of the one or more management sub-controllers may be associated with a power unit of the battery, with each power unit included one or more battery modules or battery cells. Each of the one or more management sub-controllers in the BMS share a communication link to provide and receive information and instructions associated with the battery system. In general, the BMS of the present disclosure provides flexibility and modularity to the architecture of battery systems for customization of the battery system for a variety of uses and environments.

Abstract: A temperature detection device of the present invention is provided in a battery pack for electric power tool and detects a temperature inside the battery pack. The temperature detection device includes a signal output circuit and an output signal-based temperature detection unit. The signal output circuit is configured to output an output signal for use other than for indicating an ambient temperature thereof. A state of the output signal changes depending on the ambient temperature. The output signal-based temperature detection unit is configured to detect the temperature inside of the battery pack based on the state of the output signal from the signal output circuit.

Abstract: The invention concerns an interconnection system (100) of an energy storage assembly (200), with an electronic support for controlling (300) the health status of the energy storage assembly (200), the interconnection system (101) being characterized in that it comprises an interconnection support (101) including a conductive circuit (800) formed on electrically conductive surface, said circuit (800) forming an electrical connection between the electronic control support (300) and the pole terminals (500) of the cells to which it is connected, respectively, through connecting means and through retaining means (110, 120, 150), said retaining means (110, 120, 150) being adapted to urged into contact, on the pole terminals (500), with support means (510) so as to arrange the pole terminals (500) on the interconnection support (101) and adapted to provide a direct electrical connection of the pole terminals (500) with the conductive circuit (800).

Abstract: An electricity accumulation device includes an electricity accumulation element, an outer jacket material configured to house the electricity accumulation element, and a deformation sensor disposed on an expansive surface of the outer jacket material. The deformation sensor includes a sensor membrane having a base material made of an elastomer or a resin and conductive fillers filling the base material, the sensor membrane being subjected to bending deformation along with expansion of the outer jacket material, and a pair of electrodes connected to the sensor membrane. A three-dimensional conductive path is formed in the sensor membrane through contact between the conductive fillers. An electric resistance is increased along with an increase in amount of deformation of the sensor membrane from a natural state. The electricity accumulation device senses expansion of the outer jacket material on the basis of variations in electric resistance along with bending deformation of the sensor membrane.

Abstract: A secondary battery module including a plurality of battery cells, a temperature sensor disposed on a surface of at least one of the battery cells, a conducting wire connected to the temperature sensor, a module frame coupled to the battery cells, fixing the battery cells in a position and having a wire hole through which the conducting wire passes, and a sealing member surrounding the conducting wire and coupled to the wire hole, sealing the wire hole.

Abstract: A label indicating exposure to water is disposed in a plastic member of the battery. The label is prevented from being separated and disappeared and from being exchanged or modified arbitrarily by a battery user by having an edge of the label molded to the battery case.

Abstract: A battery module includes a battery cell stack having a plurality of battery cells or unit modules connected in series and/or in parallel to each other in a state in which the battery cells or the unit modules are stacked in the lateral direction. The battery cell stack is provided at the front thereof with bus bars to connect electrode terminals of the battery cells to external input and output terminals. Voltage sensing members are provided at ends thereof with connection terminals electrically connected to electrode terminal connection parts of the battery cells to sense voltages of the battery cells or the unit modules. An upper case is provided with mounting parts, in which the voltage sensing members are mounted. A lower case is coupled to the upper. The lower case is provided at the front thereof with external input and output terminals.

Abstract: Some embodiments of the present disclosure relate to a mobile battery module for high power applications. The mobile battery module includes a case having a chamber therein, wherein one or more engagement elements are disposed on an inner surface of the case. A number of blocks removably engage the one or more engagement elements, wherein each block includes a pair of opposing sidewalls. Within each block, a number of end caps extend from the opposing sidewalls to cooperatively hold a number of respective cells there between.

Abstract: Monitoring individual cells within large battery stacks used in alternative fuel vehicles is provided using wireless sensor networks. In one embodiment, a battery stack comprised of a plurality of cells includes a plurality of wireless sensor nodes each electrically connected to a corresponding one of the plurality of cells. Each of the wireless sensor nodes includes a sensor circuit for measuring individual performance characteristics for cells to which the wireless sensor nodes are connected. This cell-specific performance data may then be wirelessly transmitted to an external node, which is coupled to a vehicle battery management system configured to determine at least one of a state of charge, state of health and remaining useful life data for the overall battery stack based on the performance characteristics of the battery stack's individual cells.

Abstract: Battery cells may be monitored and a historical profile of the battery generated. The historical profile may be used to analyze a state-of-health of the battery cell. For example, the historical profile may be used to determine when a battery cell has developed an internal short that creates a safety hazard. The historical profile may include a count of the number of times the battery cell was out of balance and a count of the number of Coulombs the battery cell was out of balance. The number of Coulombs may be counted for a window of time. When the number of Coulombs exceeds a Coulomb threshold, a state-of-health flag may be set for the battery cell. The Coulomb threshold may be adjusted based, in part, on the counted number of times the battery cell is out of balance.

Abstract: A power storage apparatus, electric device, electric vehicle, and power system are disclosed. In an example embodiment, a power storage apparatus includes a battery block comprising a plurality of battery cells and an isolating unit that enables wireless information transfer regarding battery information of the battery block.

Abstract: A secondary battery includes a battery unit, a thermistor for detecting a temperature of the battery unit, and a frame case for supporting the battery unit and the thermistor together, and including a thermistor accommodator having a concave shape and accommodating the thermistor. Accordingly, a way of installing the thermistor is improved.

Abstract: A battery pack having a battery cell and a case accommodating the battery cell and including a terminal portion that is electrically connected to the battery cell. The terminal portion includes a first groove portion for attaching a temperature sensor for obtaining temperature information of the battery cell.

Abstract: Disclosed herein is a battery module including (a) a battery cell stack including two or more battery cells or unit modules electrically connected to each other in a state in which the battery cells or unit modules are vertically stacked, (b) a first housing to cover the entirety of the end of one side of the battery cell stack and portions of the top and bottom of the battery cell stack and (c) a second housing to cover the entirety of the end of the other side of the battery cell stack and the remainder of the top and bottom of the battery cell stack, wherein the first housing and the second housing are provided with coupling holes formed to couple the first housing and the second housing to each other, the coupling holes being horizontal coupling holes, through which coupling members can be inserted in the lateral direction.

Abstract: Disclosed is a flat battery which includes power generating element 18 accommodated in an inner space formed by sealing outer peripheral edges of package members 16 and 17, collector 11a, 13a connected to an electrode plate of power generating element 18 and an electrode tab 14, 15 taken out from the outer peripheral edges of package members 16 and 17. Electrode tab 14, 15 has conducting portion 151 overlapping and joined to collector 11a, 13a and stress relieving portion 152 formed of a material having higher elasticity than that of conducting portion 151. It is thus possible to prevent the occurrence of wrinkles in collector 11a, 13a or electrode tab 14, 15 and separations in weld joints due to a difference in expansion/contraction rate between collector 11a, 13a and electrode tab 14, 15.

Abstract: A method (100) for assembling a portable device configured with an energy storage device, is disclosed. The method (100) can include: providing (105) a portable device with a controller configured to control the operations of the portable device; configuring (110) the portable device with a multi-mode switch including a temporary active mode configured for simplified testing, a temporarily inactive mode configured for minimizing power drain, and a permanent active mode for normal user operation; and controlling (115) the multi-mode switch from outside the portable device. The method (100) can help to prolong the useful shelf life of the device and can help to simplify testing and calibrating before shipping.

Abstract: A nonaqueous electrolytic secondary battery includes: a positive electrode; a negative electrode; and an electrolyte that contains a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution contains at least one phosphorus compound selected from the group consisting of phosphine oxide, phosphonic ester, and phosphinic ester, and the phosphine oxide, the phosphonic ester, and the phosphinic ester are phosphorus compounds represented by the following formulae (I), (II), and (III), respectively.

Abstract: An accumulator arrangement for a motor vehicle is provided. The accumulator arrangement includes an array of a plurality of galvanically connected accumulator cells. Each cell is individually removable from the array and replaceable.

Abstract: An electric vehicle is provided. The electric vehicle includes an electric battery powering a drive system of the vehicle. The battery has a housing and a plurality of cells within the housing. The cells are spaced apart by interconnectors. The electric vehicle also includes a coolant delivery. The coolant delivery delivers coolant to the interconnectors. An electric battery is also provided.

Abstract: A battery module of the present invention includes: a battery cell (2) having electrode terminals (21 and 22); first holding bodies (4 and 5), which surrounds and holds the battery cell (2), having hole portions (53a and 53b) to pass through the electrode terminals (21 and 22); and a second holding body (6) which is attachably and detachably connected to the first holding bodies (4 and 5) with a predetermined space at the opposite side to the electrode terminals (21 and 22) of the battery cell (2).

Abstract: Various embodiments of systems, methods and apparatus are provided for adjusting a low battery detection threshold in a remote control. An embodiment of a method includes determining a type of a battery powering a remote control of an entertainment device and determining a first low battery threshold for the battery based on the type of the battery. The first low battery threshold indicates a low battery condition of the remote control. Responsive to measuring a voltage of the battery, a determination is made regarding whether the voltage of the battery is below the low battery threshold. Responsive to determining that the voltage of the battery is below the first low battery threshold, a low battery message is transmitted to an entertainment device. The entertainment device utilizes the message to present an indicator to a user regarding the low battery condition of the remote control.