Abstract: An intelligent control system, an emergency starting power supply, and an intelligent battery clip are provided. The intelligent control system a microcontroller unit (MCU), a load-detection module, a switch-control module, an emergency starting power supply, a load, and a power-supply output port. The power-supply output port is electrically coupled with the load. The switch-control module includes a first terminal coupled with an internal battery pack of the emergency starting power supply, a second terminal electrically coupled with the load via the power-supply output port, and a control terminal configured to receive a control signal from the MCU. The load-detection module is configured to detect a state of the load and includes a non-isolated member. The MCU is configured to control, according to the state of the load, the switch-control module to be in a switched-on state or a switched-off state.

Abstract: An auto safety jumper module to prevent accidental short circuits or wrong connections between a jump start system and a motor vehicle battery when jump starting such motor vehicle. The module can be fully automatic and capable of detecting when a motor vehicle battery is connected to it. The module, which can be integrated into or an external add-on to a jump start system, does not need an external sensing wire(s) to detect when alligator clamps of the jump start system are connected to a vehicle battery post or to detect when the alligator clamps are disconnected.

Abstract: An automotive booster cable system includes a first battery clamp attached to a first battery a second battery clamp attached to a second battery; an optional electrical plug adapter with an adapter electrical connector for mating with the second battery clamp; and a booster cable assembly having a first polarized electrical booster connector for mating with the first battery clamp and a second polarized electrical booster connector for mating with either the electrical plug adapter or the second battery clamp.

Abstract: A battery clamp having a first inner metal battery clamp member having a handle portion and a clamp portion, a second inner metal battery clamp member having a handle portion and a clamp portion, a first outer insulating battery clamp member having a handle portion and a clamp portion connected to the first inner metal battery clamp, and a second outer insulating battery clamp member having a handle portion and a clamp portion connected to the second inner metal battery clamp. The first inner metal battery clamp member and/or the second inner metal battery clamp member having a battery cable connector configured to allow a user to access the battery cable connector with the user's fingers or a tool while avoiding interference with the handle portions of the battery clamp.

Abstract: An auto safety jumper module to prevent accidental short circuits or wrong connections between a jump start system and a motor vehicle battery when jump starting such motor vehicle. The module can be fully automatic and capable of detecting when a motor vehicle battery is connected to it. The module, which can be integrated into or an external add-on to a jump start system, does not need an external sensing wire(s) to detect when alligator clamps of the jump start system are connected to a vehicle battery post or to detect when the alligator clamps are disconnected.

Abstract: A circuit board is provided in which a transmission loss is reduced. The circuit board includes a first layer; a transmission line disposed on the first layer; and a second layer stacked with the first layer. The second layer includes a first region, which is constructed of a first material, corresponding to a position of the transmission line, and a second region, which is constructed of a second material having a permittivity that is different from that of the first material, corresponding to the position of the transmission line.

Abstract: A dock includes a first section and a second section joined with a spring hinge assembly. An applied force opens the dock and a device may be placed within the dock. The first section includes a first concavity which approximately conforms to a top surface of the device. Within the first concavity is a ridge which comes into contact with part of the top surface of the device. The second section includes a second concavity within which a bottom surface of the device fits. Electrical contacts such as pogo pins within the second section come into contact with electrical contacts on the bottom surface of the device. Annular elastomeric features around at least some of the pogo pins have a top edge which may come into contact with the bottom surface of the device. The spring hinge applies a force that closes the dock, retaining the device therein.

Abstract: A rechargeable battery jump starting device having detachable positive and negative cables. The rechargeable battery jump starting device, including a rechargeable battery connected to a positive cam-lock cable connecting device and a negative cam-lock cable connecting device. The rechargeable battery jump starting device can include a highly electrically conductive frame connecting the rechargeable battery to the cam-lock cable devices.

Abstract: A busbar structure includes an electrode connection portion that is made of conductive metal and includes a terminal portion and an inter-battery connection portion that has an extended body portion extending from the electrode connection portion and at least one side edge portion of a pair of side edge portions extending from both ends of the extended body portion in a width direction perpendicular to an extending direction of the extended body portion. The at least one side edge portion of the pair of side edge portions is folded onto the extended body portion.

Abstract: A manual clam plug connector to connect a plug connector, the manual clam plug connector including a vice-grip locking pliers disposed at a first end of the manual clam plug connector to be squeezed manually, and a connecting clam disposed at a second end of the manual clam plug connector to be squeezed in response to the vice-grip locking pliers being squeezed, such that a female connector end of the plug connector and a male connector end of the plug connector are brought together in response to the connecting clam being squeezed.

Abstract: The vehicle jumpstarting system is a safe and convenient alternative to the use of traditional jumper cables. The system provides a multiplicity of battery ports providing electrical access to the vehicle battery at the front, rear, and both sides of a vehicle, a cabling harness tying the ports to each other and to the vehicle battery, fuse protection from high currents, and a detachable cable that connects between a battery port on a first vehicle and a battery port on a second vehicle.

Abstract: One aspect is a hydraulic ironworker system having a hydraulic ironworker configured with hydraulic power to deliver controlled force to metal workpieces. An accessory tool is coupled to the hydraulic ironworker via a harness assembly and configured to receive the hydraulic power from the hydraulic ironworker. A remote pushbutton assembly is selectively coupled to the harness assembly and configured to control hydraulic power from the hydraulic ironworker to the accessory tool and further configured with an emergency stop button that, when actuated, disables all power to the hydraulic ironworker system. A safety plug assembly is configured to alternately couple to the harness assembly in place of the remote pushbutton assembly. Power to the hydraulic ironworker system is disabled until one of the remote pushbutton and safety plug assemblies are attached on the harness assembly.

Abstract: A ground terminal fitting includes a bolt fastening portion (11) to be bolted to a ground part (40) and a wire connecting portion (12) to be connected to an end part of a wire (30). The bolt fastening portion (11) and a bottom plate portion (18) of the wire connecting portion (12) are arranged flush with each other. A protrusion (21) projecting toward the ground part (40) is provided on a part of the bolt fastening portion (11) around a bolt insertion hole (14) through which a bolt (41) is to be inserted. Since a linking portion (13) lining the bolt fastening portion (11) and the wire connecting portion (12) needs not be formed into a bent shape according to this configuration, a stress concentration on the linking portion (13) can be alleviated.

Abstract: An electronics module includes a cable clamp chassis projecting outward from a wall of the module. The cable clamp chassis includes first and second cable mounting locations adapted to receive respective first and second cables. The cable mounting locations each include an axially extending recess located adjacent a first reference plane. Each of the cable mounting locations includes an inner surface with an innermost point that lies tangent to a second reference plane that is parallel to and offset from the first reference plane such that the first and second cables are arranged in a zero stack configuration. A clamp is secured to the cable clamp chassis and adapted to secure the first and second associated cables in the first and second cable receiving locations.

Abstract: An electrical connection system that connects and disconnects a plurality of supply circuits. More specifically, a connection system that can quickly connect two or more batteries in series by connecting a wire bridge system to two or more mated battery side connectors. Alternatively, the connection system can quickly connect a plurality of devices to one battery connection point by connecting a multi-device connector to a mated battery side connector.

Abstract: An electrical connector assembly includes a first connector and a second connector. The first connector includes a first terminal group and a first magnetic element around the first terminal group, the first terminal group defines a first central terminal and two first outer terminals located at both sides of the first central terminal. The second connector includes a second terminal group and a second magnetic element, the second terminal group defines a second central terminal, a second outer terminal and an elastic terminal located at both sides of the second central terminal. When the first connector is engaging with the second connector, the first and second magnetic elements are attached to each other, the first central terminal is contacting the second central terminal, the second outer terminal is contacting either of the first outer terminals and the elastic terminal is elastically abutting against the first magnetic element.

Abstract: A motor vehicle power conductor (1) is described and illustrated, in particular a battery conductor of a motor vehicle, having a first end (3) on the battery side and having a second end (4), wherein the motor vehicle power conductor (1) has a metallic flat conductor (2) and an insulation (8) enclosing the metallic flat conductor (2). In order to provide a connection means for a jump-start device in a simple and cost-effective way, it is proposed that the motor vehicle power conductor (1) is formed in one area as a jump-start connection point (5).

Abstract: A battery electric vehicle jumper cable includes a first battery electric vehicle electrical plug adapted for connection to a standard charging port interface on a first battery electric vehicle; a second battery electric vehicle electrical plug adapted for connection to a standard charging port interface on a second battery electric vehicle; and an electrical cable establishing electrical communication between the first battery electric vehicle electrical plug and the second battery electric vehicle electrical plug. An electrical power transfer system for battery electric vehicles and a battery electric vehicle jump starting method are also disclosed.

Abstract: A power terminal connector includes a flexible conductor having a first mounting portion, a second mounting portion and a flexible section between the first and second mounting portions. The first mounting portion is terminated directly to a power terminal of a first battery module. A female terminal is coupled to the second mounting portion. The female terminal has a terminal body having a receptacle receiving a power terminal of a second battery module. The terminal body is terminated to the second mounting portion to mechanically and electrically connect the terminal body to the flexible conductor. A contact spring is received in the receptacle and is electrically connected to the terminal body. The contact spring has spring beams defining interfaces for the power terminal to create a power path to the power terminal of the second battery module.

Abstract: The instant application discloses, among other things, an external power supply that may allow a cordless tool to be operated while connected to an external power source. Various adapters may be available to fit different cordless tools.

Abstract: A vehicle battery charger including a base unit configured to store various cables and clamps are provided. A battery charging cable and pair of battery terminal clamps coupled to the charging cable may be stored in a compartment formed in the base unit when not in use, the clamps secured to pegs mounted within the compartment and a cover closing over the compartment. A grid power cable that provides electrical power to the battery charger may be wrapped around a channel formed in the base unit and secured in the channel with a retainer when not in use.

Abstract: An exterior power supply for a hearing aid has a battery-shaped conductor, two thin power contacts, and a DC power source. The battery-shaped conductor is received in a battery container of the hearing aid and has a top electrode and a bottom electrode. The thin power contacts are mounted to the battery-shaped conductor and respectively and electronically connected to the top and bottom electrodes of the battery-shaped conductor. Each thin power contact has a thickness matching a gap between an opening and a door of the battery container of the hearing aid. The DC power source is electronically connected to the battery-shaped conductor through a power wire and the thin power contacts to output DC power to the top and bottom electrodes of the battery-shaped conductor. Therefore, the hearing aid obtains DC power from the battery-shaped conductor and the button cell is not replaced frequently.

Abstract: Disclosed is a compact battery clamp suitable for attachment to a high-amperage, two-conductor, insulated electrical cable, the compact battery clamp comprising: a clamp handle having a first clamp handle end and a second clamp handle end; a contact arm having a first contact arm end and a second contact arm end; a pivot pin passing through the clamp handle and through the first contact arm end so as to hingedly connect the contact arm to the clamp handle; a first terminal contact pad rotatably attached to the first clamp handle end; a second terminal contact pad rotatably attached to the second contact arm end; and an electrical socket attached to the second clamp handle end, the electrical socket configured for electrically coupling with an end of the insulated electrical cable.

Abstract: A flexible Printed Circuit (PC) board, junction method thereof and battery pack using the flexible PC board prevents cracking of terminal units of a flexible PC board and reducing degradation thereof due to deformation by increasing its tensile strength. The flexible PC board has a multi-layered structure including wiring with terminal units, a first insulating layer and a second insulating layer arranged both over and under the wiring. An end of the second insulating layer is arranged between an end of the terminal units and an end of the first insulating layer.

Abstract: Attaching work of a high-voltage cable is improved. In an electric cable connecting construction of battery packs, the high-voltage cable is connected to conductors held in resin busbar modules for connection with the general electrodes by fastening crimp terminals to the conductors. Two ribs are formed on each of the busbar modules where the crimp terminal is held therebetween to limit an entrained rotation of the crimp terminal. A difference between a gap of the two ribs on one of the adjacent battery packs and a width of the crimp terminal connected to the general electrode is set to a first gap dimension L3 and A difference between a gap and a width of the crimp terminal connected to the general electrode of the other of the adjacent battery packs is set to a second gap dimension L6 larger than the first gap dimension.

Abstract: A system and method operable to facilitate thermal wall plug sensing and control may include an ability to control current drawn by a charging system or other load according to a temperature determined at an interface between the charging system and an energy source used to provided energy to the charging system. A temperature sensed with a temperature sensor included in a plug assembly or other housing or cord used to connect the charging system to the energy source may be used to implement the temperature regulated current control.

Abstract: A battery ejecting structure is applied to a portable electronic device which comprises a housing and a battery. The battery ejecting structure comprises an ejecting element, a cover, a pushing element and an elastic element. The ejecting element is movably located in the container of the housing; the cover is connected pivotally to the housing and covers the container to be a closed state, and the cover restricts the ejecting element to move via a blocking element; the pushing element is located in the housing, and the fixed member of the ejecting element is connected to the pushing element through the housing. Wherein when the cover is rotated relative to the housing to form an open state, the blocking element disengages from the container, and the pushing element is moved by an elastic restoring force of the elastic element to unlock the battery.

Abstract: In order to produce a connecting device for the electrically conductive connection of a plurality of cell terminals of electro-chemical cells of an electro-chemical device which enables the cell connector to be mounted on the electro-chemical cells in a simple and rapid manner wherein the device comprises two or more cell connectors for respectively connecting two cell terminals of different electro-chemical cells to one another in electrically conductive manner, it is proposed that, in an assembly state of the connecting device, at least two cell connectors be integrally connected together after separating out the cell connectors from a starting material.

Abstract: A wiring apparatus includes a wire housing portion, terminal housing chambers and wire extracting portions. The wire housing portion is provided with a plurality of elongated housing grooves that respectively house wires therein and are disposed in parallel to each other, each of the grooves is divided at one or more portions by groove(s), and side walls and are coupled by a U-shaped elastic coupling member. Each terminal housing chamber houses a conductive metal plate for coupling the terminal of the battery and the terminal of the adjacent battery and couples adjacent terminal housing chambers and by a U-shaped elastic coupling member. Each of the wire extracting portions couples a wire housing groove and the terminal housing chamber to thereby extract the wire to the wire housing groove.

Abstract: Portable computer battery structures are provided. The portable computer battery structures may include a battery with a metal enclosure and a battery cable with a floating end. The battery may have six cells. Three pairs of parallel-connected cells may be connected together in series. The six cells may be substantially planar in shape. The battery may have a connector with at least five conductive pins and six recesses. The battery cable may have a cable with at least five conductive pins that mate with the five pins of the battery's connector and with six support pins that slide into the six recesses of the battery's connector. The batter connector may be formed on a printed circuit board substrate that folds over on itself.

Abstract: Attaching work of a high-voltage cable is improved. In an electric cable connecting construction of battery packs, the high-voltage cable is connected to conductors held in resin busbar modules for connection with the general electrodes by fastening crimp terminals to the conductors. Two ribs are formed on each of the busbar modules where the crimp terminal is held therebetween to limit an entrained rotation of the crimp terminal. A difference between a gap of the two ribs on one of the adjacent battery packs and a width of the crimp terminal connected to the general electrode is set to a first gap dimension L3 and A difference between a gap and a width of the crimp terminal connected to the general electrode of the other of the adjacent battery packs is set to a second gap dimension L6 larger than the first gap dimension.

Abstract: A cable connector for detachably connecting a lead having at least one contact to a system analyzer comprising a nonconductive base, a first conductive clip assembly connected to the base, and a second conductive clip assembly connected to the base. Each of the first and second conductive clip assemblies defining a lead contact receiving space which is in axial alignment with the other lead contact receiving space. The base further comprises a first base section and a second base section wherein the first conductive clip assembly is connected to the first base section and the second conductive clip assembly is connected to the second base section and wherein the first base section is selectively detachable from the second base section.

Abstract: Motor vehicle jumper cables comprising an integral wire brush mounted on an interior portion of the clamp assemblies is herein disclosed. The jumper cables with the wire brush are to be motioned to remove battery terminal corrosion, thereby providing for a better electrical connection. The device resembles a standard pair of jumper cables used to aid in jump-starting a motor vehicle with a dead battery and comprises a small wire brush located inside of each jaw area. The bristles are made of conductive steel or copper of a sufficient stiffness to clean any corrosion from the battery terminals as the clamps are being installed. Due to the conductive nature of the bristles, current will flow through the bristles as well as the clamp body, thus improving charging and starting ability.

Abstract: A terminal pole head for a battery pack comprises a base element, an isolating element and the top element that assembled one upon another, so that the assembly is easy, and the appearance is smooth after assembly. Further, the base element and the top element are isolated more safely. The isolating element covers the main body of the base element with the first and the second connecting portions exposed only, so that it can avoid the occurrence of short circuit of the base element and the top element caused by mistake touch of metal object. In addition, the base element and the top element are formed with the first connecting portions, the second connecting portions, and the connecting plates, so that connecting points are scattered, which is quite important for the big power battery pack, solving the problem of temperature rise due to excessively high single point resistance.

Abstract: A device is proposed for fastening a post in a terminal clamp, having at least one terminal clamp for connection to a battery terminal, at least one electronics unit or measuring element capable of being connected to the terminal clamp, at least one post for connecting a battery cable, the post being mechanically fastened to the terminal clamp via a connection, and having at least one insulating element between the post and the terminal clamp, means being provided for the rotational securing of the post.

Abstract: A battery monitoring system (BMS) configured for use in measuring operating conditions of a battery or other source of electric current. The BMS may include a housing configured to include a dampening element between a shunt and connection arm in order to limit the likelihood of vibrations and other forces acting on the BMS shorting or otherwise disrupting electrical connections used to measure current through the shunt.

Abstract: Embodiments relate to coupling and/or holding devices for electrically and/or mechanically contacting circuit elements, such as power sources, sensors, transducers and other devices. In one embodiment, a coupling device comprises a substrate having at least one printed conductive element and at least one fold, flap, slit, slot, perforation or other alteration configured to encourage contact between a circuit element, such as a battery, sensor, transducer or other element, and the at least one printed conductive element.

Abstract: The present invention provides an improved charging structure of cigarette lighter plug, which includes a cigarette lighter plug, a power cord electrically connected to the cigarette lighter plug and at least one connector. The connector is at least provided with an outer casing, a voltage converter unit located inside the outer casing and electrically connected to the power cord, and a connector terminal located at one end of the outer casing and electrically connected to the voltage converter unit. Accordingly, integration of the voltage converter unit and the connector terminal reduces current flowing through the power cord, thereby downsizing of the cigarette lighter plug, decreasing wire gauge requirements of the power cord and achieving the effectiveness to lower manufacturing cost, as well as preventing the voltage converter unit from contacting the higher heat from the structure of vehicle, and increasing reliability and safety when in use.

Abstract: A system that converts a standard 110 volt extension cord for use in the extension of the 12 volt vehicle battery power. A first portion clamps to the battery and presents a standard female plug to the male end of the standard extension cord. The extension cord which can be as long as is necessary, presents a female plug to the second portion of the converter which is a standard male plug. The other end of the second portion could be a standard female cigarette lighter connector into which the appliance can be plugged to provide 12 volt current or a structure which provides two clampable elements onto which the battery clamps of some appliances could be connected to provide current to the appliance. Thus, the kit could include the first portion and the first version and/or the second version of the second portion.

Abstract: Various contact systems and methods for manufacturing and using such are disclosed herein. Examples of the contact systems include a surface with one set of pads biased at a first voltage level, and another set of pads biased at a second voltage level. Such a contact system can be used, for example, to transfer power to an electromechanical device disposed thereon. In one particular example, the electromechanical device can include a power storage element and two or more couplings. When one of the couplings contacts a pad biased at the first voltage level, and another of the couplings contacts a pad biased at the second voltage level, a circuit is completed where some derivative of the differential between the first voltage level and the second voltage level is placed across the power storage element. Completion of the circuit causes the power storage element to charge. Power can be drawn from the power storage element to operate the electromechanical device.

Abstract: A battery connector includes a first end terminal, at least one intermediate terminal and a second end terminal. The at least one intermediate terminal is in communication with the first end terminal via a first flexible cable. The first flexible cable is affixed to the at least one intermediate terminal and the first end terminal. The second end terminal is in communication with the at least one intermediate terminal via a second flexible cable, the second flexible cable being affixed to the at least one intermediate terminal and the second end terminal.

Abstract: The present invention provides a booster cable capable of reliably being connected to a terminal that is provided in a limited space. Specifically, a connecting clip 3 is attached to both ends of a cable main body 4. Clamping sections 6a of the connecting clip 3 are set to be wide and outer surfaces of the pair of clamping sections 6a are set to be substantially in parallel in a closed state so that the clamping sections 6a are set to have approximately same thickness up to root portions. The root portions of the clamping sections 6a do not interfere so that the clamping sections 6a are able to be inserted into a limited space up to the root portions. It is thereby possible to sufficiently clamp and reliably connect the assisting terminal 5 that is provided in a limited space.

Abstract: A battery backup system for providing uninterrupted power to components within a vehicle electronic control module (ECM). The backup system comprises a header connector with a recessed region for the battery. A connector plug is plugged into the header connector over the battery to cover the battery and shield the battery. The backup battery is disposed within the recessed region in contact with electrical contacts extending from the housing of the ECM, the electrical contacts providing a connection between the backup battery and an electronic component needing a backup power supply. Additional terminals on the connector plug can be used to provide power to the backup battery. The backup battery can be in a closed circuit with the electronic component, or the backup battery circuit can be switched to form a closed circuit with the electronic component when the electronic component no longer receives power from the primary power source.

Abstract: A polarized quick disconnect battery cable system is herein disclosed, comprising a mating pair of polarized and keyed electrical connectors capable of carrying large currents from a vehicle's primary battery to the vehicle's starter. The system also provides an alligator clamping accessory allowing quick connection of the primary battery thereto a charging battery for charging purposes. The system is intended for use with large batteries typically found on motor vehicles, golf carts, boats, recreational vehicles, motorcycles, and the like. The system comprises heavy cables of the same gauge as is commonly used with such batteries. The quick disconnect feature allows for the easy connection and disconnection of battery wiring without using tools such as wrenches, pliers, screwdrivers, or the like, thereby reducing the likelihood of accidentally shorting the battery and producing large sparks or even explosions. The system is packaged within a convenient carrying case.

Abstract: In one embodiment, a power cell chamber for a drive system includes moveable and fixed portions. The moveable portion includes a rectifier stage to rectify an input signal received from a secondary winding of a transformer to provide a rectified signal and an inverter stage having a plurality of switching devices to receive a DC signal and output an AC signal. This moveable portion can be slidably adapted within a cabinet of the drive system. In turn, the fixed portion includes a DC link having at least one capacitor to receive the rectified signal and provide the DC signal to the inverter stage.

Abstract: An electric connector has a contact spring. The contact spring includes a fixed portion that is retained by a housing, an involute portion that is extended from the fixed portion into an inward spiral pattern, a revolute portion that is inverted from the involute portion and extended into an outward spiral pattern along the involute portion, an arm portion that is connected to a tail end portion of the revolute portion, a tangential direction of a portion connected to the revolute portion in the arm portion being aligned with a tangential direction of the tail end portion of the revolute portion, and a contact portion that is provided at a leading end of the arm portion to be projected to an outside of the housing, the contact portion abutting on the-other-end electrode to receive a pressing force in a direction in which the arm portion is substantially extended.

Abstract: In one embodiment, a coupler system is configured to couple to electrical terminals of a battery. The coupler system comprises a coupler bridge comprising a first section, where the first section comprises a first height and a first edge. The coupler system also comprises a second section adjacent to the first section and opposite the first edge, a first coupler coupled to the second section of the coupler bridge, and a second coupler coupled to the second section of the coupler bridge. The first section of the coupler bridge is configured to restrict the first and second couplers from being electrically coupled to the electrical terminals of the battery when the first edge faces towards the battery. Other embodiments are also disclosed herein.

Abstract: An electrical equipment system may include a battery for an electrical power tool, an electrical equipment except for the electrical power tool, and an adapter that is capable of electrically and mechanically connecting the battery and the electrical equipment. The adapter has a battery side connecting portion that is capable of being detachably connected to the battery and an electrical equipment side connecting portion that is capable of being connected to the electrical equipment.

Abstract: A clamp with lamp, particularly useful for attaching to an automobile battery, or similar rechargeable battery, when charging or otherwise working with the battery, is disclosed. The clamp with lamp is configured to provide a convenient source of light during nighttime or other low-light conditions and to provide an automated means for turning the light on and off during use. The clamp with lamp includes an LED lamp disposed on the upper jaw of the clamp, a battery disposed in a battery case inside the handle and a switching mechanism. A switching mechanism is actuated when the jaws of the clamp open, thereby providing power to the LED lamp. When the clamp is engaged with the automobile battery, and when the jaws are closed, the switching mechanism turns off the LED lamp to save electricity. The clamp is small, handy, elegant, and durable.

Abstract: The invention relates to a maintaining and contacting device for a round cell battery and to the use of said type of maintaining and contacting device in remote control devices in order to lock and unlock motor vehicles. According to said type of devices, the battery area must be separated as much as possible from other electronic components in order to prevent destructive contact. Spring clips, which are connected to the electronic system by means of a cable and soldered connections, are used in order to make contact with the upper and lower side of the round cell battery. Leaf-spring like contact elements, which are connected to the battery area forming a non-positive fit connection with an electronic module which is to be supplied, are used in order to prevent a complex construction and in order to enable the battery area to be accessed in an easy manner.