Abstract: A battery module including at least two battery cells, each battery cell including a terminal surface having a terminal therein, a back surface, and a side surface extending in a plane between the terminal surface and the back surface, the back surface of one battery cell facing the back surface of another battery cell such that the at least two battery cells have face-to-face back surfaces; a housing fixing the at least two battery cells together; and a mid-support between the at least two battery cells, the mid-support including at least one base portion in an interposed, adjoining relationship with the face-to-face back surfaces of the battery cells, and at least one flange portion extending in a plane parallel to the plane of the side surface.

Abstract: An annular device includes an annular main body defining a through hole, a battery mounting portion arranged in the through hole, and a battery cover. The battery mounting portion protrudes from an inner surface of the main body in the through hole, includes a first arcuate element with an outwardly curved surface and a second arcuate element with an outwardly curved surface opposite to each other and cooperatively defining a receiving space. The battery cover is operable to clasp the battery mounting portion, includes a first arcuate member and a second arcuate member opposite to each other. At least one first protrusion is formed on an inner surface of the first arcuate member, at least one cutout is defined in an outer surface of the first arcuate element, and the first protrusion can be fit into the cutout. The second arcuate member clasps the second arcuate element.

Abstract: A battery carriage is provided, including first and second dual-contact assemblies. The first dual contact assembly is disposed on a body portion of the battery carriage and the second dual contact assembly is disposed on a separable portion of the battery carriage. Each dual contact assembly includes a positive contact configured to contact a positive terminal of a battery and a negative contact configured to contact a negative terminal of the battery. The separable portion of the battery carriage is selectively moveable into and out of a coupled state with the body portion. When the separable portion is moved into the coupled state, the dual contact assemblies are held spaced apart to define a receptacle in which the dual contact assemblies hold opposing ends of the battery.

Abstract: A battery compartment insert for use with a battery holder that utilizes an assembly of two cells sealed in shrink wrap, thus replacing the need for use of the battery assembly. The insert includes a battery compartment lid for holding two separate lithium bromide battery cells and four electrical contacts. There are two electrical contacts corresponding to each battery cell. The battery compartment lid includes two diodes each corresponding to one of the battery cells and guide posts such that each individual battery cell can be taken out and replaced. The battery compartment lid corresponds to the battery holder such that two electrical contacts are each able to electrically communicate with a corresponding battery cell such that a device may be powered by the battery cells.

Abstract: Battery corrosive electrolyte leak is decreased by using an adjustable mechanical retention device to bias a plurality of batteries toward a first end of the series configuration wherein the adjustable mechanical retention device creates a snug mechanical fit at a bottom surface of the metal can of the terminal battery. When the device in which batteries are being used is a flashlight, a two-piece tail cap can be used, an inner member of which is driven by an outer member, and tail caps of existing flashlights can be replaced so that a strong tail cap spring no longer provides a biasing means against the terminal contact of the terminal battery.

Abstract: A rechargeable battery includes an electrode assembly; a case accommodating the electrode assembly therein; a cap plate configured to close and seal an opening of the case; first and second electrode terminals extending through the cap plate and electrically coupled to the electrode assembly; and an external short-circuiter configured to electrically isolate or short-circuit the cap plate and the first terminal from or to each other, the cap plate being electrically coupled to the second electrode terminal. The external short-circuiter includes a membrane configured to close and seal a short-circuit opening in the cap plate, a short-circuit tab electrically coupled to the first electrode terminal and located at a side of the membrane, and the short-circuit tab includes a short-circuit protrusion, the short-circuit protrusion being configured to be separated from or short-circuited to the membrane. The membrane and the short-circuit protrusion have substantially the same resistivity.

Abstract: The disclosure relates to a battery cell module including a plurality of lithium ion battery cells, each having a degassing opening, and a cover substantially sealingly connected to a corresponding surface of each of the battery cells. The cover defines a gas receiving space configured to at least temporarily receive gas escaping from the battery cells. The gas receiving space is open in the direction of the battery cells. The opening area of the gas receiving space extends across a plurality of the battery cells. The disclosure further relates to a method for producing a battery cell module, to a battery, and to a motor vehicle having the battery cell module or the battery.

Abstract: A portable terminal has a main machine body and a cell, one of the main machine body and the cell is arranged a pushing button moving axially, and a compression spring is arranged between the pushing button and the one of the main machine body and the cell, the other has a clamp slot of which a notch extends axially, and the main machine body and the cell is clamped at the axial direction by the pushing button and the clamp slot. The portable terminal also comprises a lock cover connected with the pushing button, and a torsional spring is arranged between the lock cover and the pushing button, so that the lock cover and the pushing button can rotate along the spring-body axis of the torsional spring; when the torsional spring is reset, vertical distance between one end of the lock cover and the cell or the body arranged the compression spring is smaller than the distance that the pushing button inserts into the clamp slot.

Abstract: A polymer battery pack assembly comprising a mounting frame having a first cavity defining a first mounting location and a second cavity defining a second mounting location, the first and second cavities being separated from each other; a top case mounted on the second mounting location, the top case having a third cavity defining a third mounting location; a lithium polymer battery cell mounted within the first mounting location, the battery cell having a positive tap and a negative tap extending beyond the first cavity towards the second mounting location; and a protection circuit module mounted in the third mounting location, the protection circuit module being electrically connected to the positive tap and the negative tap when the top case is mounted to the mounting frame such that the protection circuit module fits into said second cavity.

Abstract: A mobile electronic device includes: a body unit that includes a waterproof area; and a cover unit that covers the waterproof area. One of the cover unit and the body unit includes: a sealing member that contacts a contact surface formed on a same plane as the other all along the periphery of the waterproof area, and seals the waterproof area; and a regulation unit that regulates the position of the sealing member.

Abstract: A battery module includes a cell unit, a first end plate, and a binding band. The cell unit includes a plurality of battery cells arranged in a first direction. The first end plate is located on one side of the cell unit in the first direction. The binding band extends in the first direction and is coupled with the first plate so as to bind the first end plate and the cell unit. The first end plate has an external terminal surface directed to an opposite side with respect to the cell unit in the first direction. An external terminal is connected to the external terminal surface. The binding band is located on a side surface of the cell unit and is coupled with the external terminal surface.

Abstract: The battery includes an electrode having an active medium on a current collector. The active medium includes one or more active materials. The current collector includes or consists of carbon nanotubes. The electrical conductivity and weight of carbon nanotubes permit the weight of the battery to be reduced while the energy density and the power density of the battery are increased.

Abstract: Described in this disclosure are battery contacts for use in electronic devices usable without soldering to a circuit board. The battery contact includes one or more contact features supported by leaf springs. The contact features touch a corresponding pad on the circuit board at time of assembly, providing an electrically conductive pathway. One or more of the battery contacts may include a spring-biased member configured to apply pressure to one or more batteries.

Abstract: An X-ray imaging apparatus includes: an X-ray sensor configured to convert an X-ray to an image signal; a battery configured to supply electric power for driving the X-ray sensor; a battery holder configured to detachably hold the battery; a lock mechanism configured to lock the battery in a state in which it is attached to the battery holder; and a lock releasing mechanism configured to release the lock effected by the lock mechanism, wherein the lock releasing mechanism is configured to release the lock by the lock mechanism through at least two operations performed by the operator.

Abstract: A battery pack is constructed with at least two battery cells that are arranged in parallel to each other and provided with surfaces facing each other, and a spacer structure interposed between the facing surfaces of the battery cells. A through-hole is formed in an interior portion of the spacer structure and corresponds to a portion where thicknesses of the battery cells are increased when the battery cells are swollen. Therefore, the facing battery cells do not interfere with each other even if the thickness of the battery cell is changed due to swelling of the middle portion thereof when the battery cells are repeatedly charged/discharged in the case where at least two battery cells are included.

Abstract: A portable battery-operated tool has a frame on which there are a working component, a drive, and a battery assembly. The battery assembly consists of a battery with at least a first electrical connector and housing with at least a second electrical connector. The battery is movable guidingly between first and second positions. With the battery in the first position the at least first electrical connector is electrically engaged with the at least second electrical connector. With the battery in the second position the at least first electrical connector is electrically disengaged from the at least second electrical connector so that the battery is not powering the drive to allow the drive to be operated. The battery assembly further has a locking assembly through which the battery is selectively releasably fixed in the second position.

Abstract: A secondary battery includes an electrode assembly includes first and second electrode non-coating portions exposed from respective sides of an electrode assembly, first and second collecting plates in contact with and fixed to the respective first and second electrode non-coating portions, a retainer including first and second fixing slits that accommodate the first and second collecting plates connected to the electrode assembly, respectively, and a case that accommodates the retainer accommodating the electrode assembly and the first collecting plate. The retainer includes a first side part including the first fixing slit, a second side part facing the first side part and including the second fixing slit, and a bottom part connecting the first and second side parts to each other.

Abstract: An object of the present invention is to provide a cover that is made less prone to be removed even if receiving an impact due to falling or the like, and an operation for removing the cover is made easy. An engaging piece position regulating member made of a viscoelastic body such as an urethane-based resin is provided on a left side of an elastically-deformable engaging piece of a cover, which allows an engaging projection of the engaging piece to leave from an engaging hole when the cover is removed from a device casing by manual operation and inhibits the engaging projection of the engaging piece from leaving from the engaging hole when a rate of deformation larger than a rate of deformation by manual operation is provided to the engaging piece by an impact due to falling or the like.

Abstract: A rechargeable battery pack includes a rechargeable battery, a mount frame wrapping at least part of the rechargeable battery, an outer case wrapped around the mount frame, the outer case including a first case including a first protrusion portion protruding therefrom, and a second case having a second protrusion portion protruding therefrom, the first protrusion portion being fixed to the second protrusion portion, and a protective circuit module electrically connected to the rechargeable battery.

Abstract: Disclosed herein is a voltage sensing assembly to detect voltages of battery cells having electrode terminals formed at an upper end or a lower end thereof in a state in which the voltage sensing assembly is mounted to a battery module, the voltage sensing assembly including (a) a block case, formed of an electrically insulative material, mounted to a front or rear of the battery module corresponding to electrode terminal connection parts of the battery cells, (b) conductive sensing parts connected to voltage sensing terminals located at one-side ends of bus bars electrically connected to the electrode terminal connection parts of the battery cells, and (c) a connector to transmit voltages sensed by the conductive sensing parts to a controller, wherein the block case includes mounting grooves, opened to a front, formed at positions of the block case corresponding to the voltage sensing terminals of the bus bars such that the conductive sensing parts are mounted in the mounting grooves, and the conductive sens

Abstract: There is provided an electronic device includes a lock member disposed at a part of a peripheral wall of a battery pack loading section so as to be freely shift between a lock position for locking a loaded battery pack and an unlock position for releasing the lock; an unlock restricting member provided so as to be freely shift between a restriction position for restricting the lock member from being shifted to the unlock position and a non-restriction position for releasing the restriction; and a restricting member abutting portion provided at the outer surface of the battery pack, for abutting against the unlock restricting member to shift the unlock restricting member to the non-restriction position, when the unlock restricting member is located at the restriction position even though no battery pack is loaded in the battery pack loading section.

Abstract: A battery case comprises: a battery tray formed from a resin, the battery tray having a bottom wall on which batteries are mounted, and a peripheral side wall which surrounds the periphery of the bottom wall; and a battery cover which covers the battery tray. A flange portion is provided on the upper surface of the peripheral side wall, and a metallic housing-shaped frame is provided beside the outer wall of the battery tray. The flange portion and the battery cover are fixed onto the upper surface of the metallic housing-shaped frame by fastening members.

Abstract: A battery pack having increased resistance against external impact by increasing a coupling strength between a bare cell and a case, resulting in increased reliability and quality. The battery pack includes a bare cell, a circuit module electrically connected to the bare cell, a frame case surrounding the bare cell and including a channel groove arranged at a region facing the bare cell, a coupling reinforcement portion arranged in the channel groove to couple the frame case to the bare cell and a metal label attached to side surfaces of the bare cell.

Abstract: A battery housing device includes a case configured to house a battery and having a plus terminal and a minus terminal, a plus pole spring provided in the case and having one end connected to the plus terminal and an opposite end configured to come in contact with a plus pole of the battery, a minus pole spring provided in the case and having one end connected to the minus terminal and an opposite end configured to come in contact with a minus pole of the battery, and a battery support configured to support a bottom face of the battery and to support a side wall of the battery. The battery can be attached to and detached from the battery support in a length direction of the battery.

Abstract: Disclosed herein is a battery pack including a battery cell array including two or more battery cells, each of which has an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, arranged in a lateral direction, a protection circuit module (PCM) connected to an upper end of the battery cell array to control an operation of the battery pack, a pack case in which the battery cell array and the protection circuit module are disposed, and a plate-shaped reinforcing member mounted between the pack case and the battery cell array to increase mechanical strength of the pack case.

Abstract: A battery housing for a driver of a powered surgical tool. The battery housing includes a casing with an opening for inserting at least one battery into the casing, a door for closing the opening when the door is in its closed position, and a driver interface for removably attaching the battery housing to a driver of a powered surgical tool. The door includes at least one part that is configured for being blocked by the driver when the door is moved out of its closed position and the battery housing is attached to the driver, such that the door cannot be opened when the battery housing is attached to the driver.

Abstract: Disclosed is an apparatus and method for preventing deformation of a plastic battery pack case for a vehicle, in which the side of the battery pack case is subjected to reverse deformation to absorb the deformation occurring after compression molding and to ensure the dimensions of a mounting portion of various components including battery packs, thereby ensuring an internal space of the battery pack case. To this end, the present invention provides an apparatus for preventing deformation of a plastic battery pack case for a vehicle, the apparatus including: a base having a case insertion space; a fixing portion for fixing a battery pack case inserted into the case insertion space; and a deformation producing portion inserted into the battery pack case and preventing the case from being deformed by pressing the inside of the case to be reversely deformed in the lateral direction.

Abstract: An embodiment of a system for the storage of electric energy with reduced thickness for a vehicle with electric propulsion; the storage system has: a support plane; and a plurality of chemical batteries, each of which includes at least one electrochemical cell which rests on the support plane and has a flat parallelepiped shape with two mutually parallel, opposite larger bases; in each chemical battery the electrochemical cell is arranged parallel to the support plane and rests a larger lower base on the support plane; and each chemical battery includes its own compression system which presses directly on a larger upper base of the electrochemical cell opposite to the larger lower base, keeps the electrochemical cell pressed against the support plane, and is independent from the compression systems of the other batteries.

Abstract: An electronic device may include a battery well and a plurality of tabs. The battery well may receive a disk-shaped battery and may include an annular sidewall, an open end, an end wall and a recess. The open end may be disposed at a first end of the sidewall. The end wall may be substantially perpendicular to the sidewall at a second end of the sidewall and axially between the recess and the open end. The recess may be disposed at the second end of the sidewall and adjacent the end wall. The recess may be adapted to receive a portion of the battery therein. The tabs may be disposed at the open end and may extend radially inward from the sidewall to releasably retain the battery in the battery well. The tabs may define a plane that is substantially parallel to the end wall.

Abstract: An electric apparatus system includes a tool battery usable as a power source for a power tool, an electric apparatus excluding a power tool, and a battery case capable of receiving the tool battery. The battery case is disposed on one side of the electric apparatus, so that the electric apparatus is stabilized in position by the battery case. The electric apparatus and the battery case are mechanically and electrically connected to each other.

Abstract: An electric energy storage device (10) for a motor vehicle, in particular a high-voltage energy storage device for a hybrid vehicle or an electric vehicle, having a housing (11) and having storage modules (12) accommodated in the housing. The housing (11) has a housing top part (15), a housing bottom part (16) and a supporting element (17) with an annular supporting frame (18). The housing bottom part (15) and the housing top part (16) are connected detachably to the supporting frame (18), which is positioned between them. The annular supporting frame (18) has fastening sections (19, 20) for detachably connecting the electric energy storage device to a body structure of a motor vehicle.

Abstract: A cylindrical battery includes a pair of female terminals. One of the pair of female terminals is placed at the axial center of the battery, and provided to recede from one end surface of the battery. The other terminal is placed in a position away from the axial center, to recede from the one end surface of the battery. A male thread portion is provided on an outer peripheral surface of the battery. A handle portion is provided on another end surface of the battery. A female thread portion to be threadedly engaged with the male thread portion is provided in an inner peripheral surface of the battery box. A pair of male terminals are provided on a bottom surface of the battery box. The battery is designed to be detachably mounted inside the battery box by being rotated inside the battery box.

Abstract: A battery stack is provided having lower and upper battery tiers each formed of at least two battery cell arrays. A pair of brackets are provided for connecting the lower arrays along a top surface of the lower tier and connecting the upper arrays to a bottom surface of the upper tier. The lower and upper battery tiers are secured together by the brackets without hardware mounted to an exterior surface of the stack.

Abstract: Disclosed is a battery pack including a battery module array including battery modules arranged in two or more rows, a pair of side support members (a front support member and a rear support member) configured to respectively support a front and a rear of the battery module array, lower end support members configured to support a lower end of the battery module array, two or more first upper mounting members coupled to upper ends of the side support members and to lower ends of the inverted battery modules, a second upper mounting member configured to vertically intersect the first upper mounting members, the second upper mounting member being coupled to upper ends of the first upper mounting members, and a rear mounting member located at a rear of the battery module array.

Abstract: An anti-theft system for securing a removable battery to a power tool. The system employs a tamper-proof retainer to ensure that the retail display of a combined power tool and its associated battery can be displayed as a single unit without fear of theft of the battery. This may be achieved by the tamper-proof retainer securing a battery release latch against its release position hence securing the battery to the tool in a manner preventing the removal of the battery by a potential thief. The tamper-proof retainer either prevents removal of the battery from the power tool, as removal of the tamper-proof retainer is impossible, or, if it is destroyed by a thief, then it permanently secures the battery to the power tool.

Abstract: A battery module includes a plurality of battery cells aligned in one direction, first and second end plates, the plurality of battery cells being positioned between the first and second end plates, and a top plate covering top surfaces of the battery cells, the top plate including first and second ends connected to the first and second end plates, respectively, via first and second fastening portions, respectively, the first and second fastening portions being different from each other.

Abstract: An exemplary atomizing device includes an atomizing sleeve, a liquid chamber in the atomizing sleeve, an atomizing assembly, a first connector arranged at one end of the atomizing sleeve. The liquid chamber is configured for reserving tobacco liquid. The atomizing assembly includes a liquid conducting component and a heating wire wound around the liquid conducting component. The liquid conducting component is configured for absorbing the tobacco liquid from the liquid chamber. The first connector is integrally formed, and includes an insulated body, an inner electrode and an outer electrode fixed in the insulated body. The insulated body, the inner electrode and the outer electrode are coaxially arranged. Two ends of the heating wire are connected to the inner electrode and the outer electrode respectively. In addition, the present disclosure also relates to a battery assembly, and an electronic cigarette using the atomizing device and the battery assembly.

Abstract: The invention relates to a locking system for locking a lid of a portable electronic device, comprising at least a latch, a detent and a first return member. The latch has at least a first position of the latch and a second position of the latch, wherein the latch is connected to the lid in the first position of the latch, and the latch is disconnected from the lid in the second position of the latch. The detent has at least a first position of the detent and a second position of the detent, and the detent is adjusted to detain the latch in the second position of the latch. The first return member is adjusted to move the latch from the second position of the latch to the first position of the latch.

Abstract: A battery module includes a plurality of rechargeable batteries, and a module case housing the plurality of rechargeable batteries, wherein at least one part of one side of the module case includes reinforcing fiber. Accordingly, the strength of the module case is improved.

Abstract: A power storage unit includes a battery module housed in a battery case. The battery module has, as components, a plurality of battery cells stacked and arranged in a direction (direction Y) crossing a transverse direction. Reinforcing members arranged at a predetermined spacing are provided between the battery cells. The power storage unit of this structure can prevent damage to the power storage unit disposed between seats adjacent to each other in the transverse direction, when frame members provided in the seats are moved in the transverse direction in the event of a crash of a moving conveyance.

Abstract: Portable electronic devices comprise a housing having one or more straps attached thereto. The straps include battery cells disposed therein that are operatively connected to the housing. The straps comprise a construction material accommodating a number of the battery cells therein, wherein the battery cells are separated from one another to enable bending of the strap to facilitate wearing the device. The battery cells are operatively connected together in the strap by circuits, cables, or conduits. The straps include an attachment element configured to facilitate mechanically connecting the strap to the housing, which attachment element may also facilitate electrical connection with the housing. The straps may be releasibly attached to the housing to permit removal for recharging, or for replacement with charged straps. The straps may also include one or more accessories otherwise disposed in the housing for further reducing device packaging size.

Abstract: A prismatic type secondary battery including an electrode assembly, the electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case accommodating the electrode assembly, the case having an open upper end and at least two pairs of surfaces facing each other; a cap assembly sealing the open upper end of the case; and an insulation tube surrounding a lateral periphery of the case and the cap assembly within a region up to a certain height or greater, the insulation tube including at least one elasticity part at a side thereof.

Abstract: Disclosed is a battery cell holder configured so that a cylindrical battery cell is mounted therein, the battery cell holder including an upper cover including a first main body to cover an upper part of the battery cell in a state in which a first electrode terminal of the battery cell is exposed and at least one first extension fastening part extending downward from the first main body and a lower cover including a second main body to cover a lower part of the battery cell in a state in which a second electrode terminal of the battery cell having a polarity opposite to that of the first electrode terminal is exposed and at least one second extension fastening part extending upward from the second main body.

Abstract: A battery module including a plurality of battery cells aligned in a direction; first and second end plates respectively arranged at outer sides of the plurality of battery cells; and a bottom plate supporting bottom surfaces of the battery cells and including at least a portion including a pattern structure.

Abstract: In a battery pack for an electric car, a plurality of battery modules are mounted to be divided between the front and rear of a middle cross member and a main switch and a junction board are disposed in the front and rear of the middle cross member respectively. A bent part of a second high voltage cable, which bends into a U-shape and pass through beneath the middle cross member, is held by a cable holder and fixed to a fixing part. Since only a bus bar disposed in the intermediate part of the first high voltage cable is bent into a U-shape and passed through beneath the middle cross member, not only is a wiring operation of the first high voltage cable easy, but it is also possible to minimize the length of the bus bar to thus enhance the reliability with respect to vibration.

Abstract: “Undrainable battery power system of interlocking lego-like interconnectable pluggable interchangeable inter-rechargeable batteries as well as connectible to a energizable product (e.g. machine, engines, apparatus, devices, gadgets, widgets and the like)”. The present invention relates to a system of one or more inter-pluggable batteries, each one having one or more settings/projections/stud poles, and; one or more housings and/or frames namely holes and/or encasings, enabling the said batteries to heap up on top of each other and get linked and plugged by fitting into the other rear end hole(s) or housing(s) or encasing(s) of another same referred pluggable battery forming stacks like lego bricks by being tightly-, securely- or loosely-attached, plugged, fastened or adjusted to one another, as well as the said batteries permitting the conduction in series and/or parallel of energy from one battery into the other battery in a pole-into-hole way and into an energizable product (e.g.

Abstract: An apparatus and battery system are disclosed. The apparatus includes a first panel, a first bus bar, and a second panel. The first panel includes a first upper surface and a first lower surface. The first upper surface includes a first cavity extending into the first upper surface towards the first lower surface. The first bus bar is within the first cavity. The second panel has a second lower surface in direct contact with the first upper surface. The second lower surface extends over a substantial portion of the first cavity.

Abstract: Electronic devices having improved battery configurations, and more specifically configurations reducing overall space required for a battery and attendant electronics, as well as providing restraining mechanisms to prevent a battery from impacting these electronics.

Abstract: Disclosed is a battery cooling system having a main frame for defining a structure of a battery rack; a space dividing frame for dividing the inside of the main frame into a plurality of levels; a battery module located inside the main frame and supported by the space dividing frame; a pair of refrigerant guide plates respectively installed at the upper and lower ends of the battery module and installed to be inclined in the same direction with predetermined angles with respect to the upper and lower surfaces thereof; and side panels coupled to the sides of the main frame and having a channel slit formed in at least a part thereof.

Abstract: A battery box includes a flange, a side wall and a bottom wall. The flange is connected to an inner peripheral edge of an installation hole formed in a floor panel of a vehicle. The side wall gently continues with the flange, and is extended downward. The bottom wall, has a periphery gently continuing with the side wall, and is formed with at least one open hole in a center of the bottom wall. Seat portions are projected upper than the bottom wall. At least one seat portion is disposed at each both sides of the open hole. A bottom cover closes the open hole. A corner portion gently continues with the side wall and the bottom wall forming curved surface. A center of curvature of the curved surface is set inside a corner of a battery to be placed on the seat portions.