Abstract: A battery charging method includes generating a plurality of charge profiles, each for a different one of a plurality of batteries, wherein a charge profile indicates a charge current as a function of charge time, and at least two of the charge profiles have a different charge current at a same charge time, and concurrently charging each of the plurality of batteries based on a corresponding charge profile.

Abstract: A battery charger (100) includes a plurality of battery receiving bays (108) for receiving batteries to be charged. A user interface (120) includes a display which displays information indicative of batteries received in the various bays (108) in graphical and textual form. The displayed information includes the number of batteries received in the charger, as well as their size, good/bad state, and state of charge.

Abstract: An apparatus includes a housing having a first wall and a sliding tray having a second wall that is generally parallel to the first wall. The sliding tray slides between a retracted position and an extended position in which the first and second walls define a battery receiving region in the sliding tray. The apparatus further includes a first battery contact provided in the first wall and a second battery contact proximate to the second wall. The first and second battery contacts electrically communicate with battery charging circuitry, and the second battery contact slides relative to the second wall in a direction that changes a battery receiving distance between the first and second battery contacts.

Abstract: A battery pack for use as a backup power supply device for various electronic devices has a rechargeable battery group having a plurality of cylindrical rechargeable batteries connected in series and/or parallel and arranged in horizontal flat arrays as a flat block, and an electronic circuit for controlling charging of the rechargeable battery group. Two heat radiating plates sandwich opposite surfaces of the rechargeable batteries of the rechargeable battery group and are held against circumferential surfaces of the rechargeable batteries. A battery case houses an electronic circuit positioned at an end in the direction of the arrays of the rechargeable batteries and surrounds the rechargeable battery group to accommodate them therein. The battery case supports the heat radiating plates so as to be exposed to the exterior. The battery pack is compact and free of thermal problems with the rechargeable batteries.

Abstract: An intrinsically safe battery powered device (100) includes a housing (102), a battery receiving region (104), an intrinsically safe power supply (108, 110), and device electrical circuitry (112). The power supply (108, 110) uses energy from batteries (106) received in the batter receiving region (104) of the device (100) to power the circuitry (112). In one implementation, the power supply includes an intrinsically safe charge pump circuit.

Abstract: An intrinsically safe battery powered device (100) includes a housing (102), a battery receiving region (104), an intrinsically safe power supply (108, 110), and device electrical circuitry (112). The power supply (108, 110) uses energy from batteries (106) received in the batter receiving region (104) of the device (100) to power the circuitry (112). In one implementation, the power supply includes an intrinsically safe charge pump circuit.

Abstract: A battery charger (100) includes a base (102) which selectively receives first (104a) and second (104b) battery pods. The battery pods (104a, 104b), which are adapted to receive one or more batteries (212) for charging, have a form factor which facilitates the handling of the pods (104) and the batteries (212) received therein. Charging energy may be allocated between the pods (104) as a function of the temporal sequence in which the pods (104) are received by the base (102). Charging energy may also be allocated among the batteries (212) so that the batteries (212) are substantially charged at about the same time.

Abstract: A device (100) such as a battery charger includes a body (102), a movable member (104, 402), and a plurality of battery bays (108). Moving the member (104, 402) toward a first position increases a distance between respective first (132) and second (114) battery contacts so that a battery may be inserted with zero or substantially zero insertion force. Moving the member (104, 402) in the second direction decreases the distance between the first and second battery contacts. In one implementation, the device (100) is polarity agnostic.

Abstract: A battery holding unit (2) for accepting at least one electrochemical cell (3) comprises a support surface (4) for supporting an electrochemical cell (3) and a contacting unit (6) that has a contact surface (8). The contact surface can be made to rest against a current collector (9) of the electrochemical cell (3), and the contacting unit includes at least one contacting rail (7) on which the contact surface (8) is arranged.

Abstract: An inductive battery system includes a primary coil system (102) and an inductive battery (122). The primary coil system (102) provides inductive power (106). The inductive battery (122) includes a secondary coil system (108), charge circuitry (110), output circuitry (112), and an internal battery (114). The secondary coil system (108) receives the inductive power (106) and provides electrical power. The charge circuitry (110) receives the electrical power and supplies suitable power to the internal battery (114) for charging and/or device operation. The output circuitry (112) receives electrical energy from the internal battery (114) and provides the electrical energy external to the system (100) as external power (124). The internal battery (114) stores the received electrical power from the charge circuitry (110) and supplies the electrical power to the output circuitry (112).

Abstract: A physical battery charger (104) connects to a computer (102) using a communications link such as a universal serial bus (USB) connection. Application software (114) resident on the computer (102) presents a virtual battery charger (116) on a display (110) associated with the computer (102). The virtual charger (116) provides information regarding the status of the physical charger (104) and allows the user to control the operation of or otherwise interact with the physical charger (104). The physical charger (104) also adjusts the charging rate of batteries (222) being charged based on the available power.

Abstract: In the present invention, a method and system for equalizing and matching lithium secondary batteries belong to the field of secondary batteries. A lithium secondary battery is divided into more than one grade according to the magnitude of a consumable current Ic, the number of grades is h, the lithium secondary battery is divided into grades corresponding to the consumable current according to the magnitude of a voltage difference ?V, a battery cell at a grade same as that of the consumable current and the voltage difference is selected for matching, so the range of the consumable current of the battery group can be controlled.

Abstract: A frequency response optimization system includes a battery configured to store and discharge electric power, a power inverter configured to control an amount of the electric power stored or discharged from the battery at each of a plurality of time steps during a frequency response period, and a frequency response controller. The frequency response controller is configured to receive a regulation signal from an incentive provider, determine statistics of the regulation signal, use the statistics of the regulation signal to generate an optimal frequency response midpoint that achieves a desired change in a state-of-charge (SOC) of the battery while participating in a frequency response program, and use the midpoints to determine optimal battery power setpoints for the power inverter. The power inverter is configured to use the optimal battery power setpoints to control the amount of the electric power stored or discharged from the battery.

Abstract: An electrochemical energy converter device (1) with at least one in particular rechargeable electrode assembly (2), which is provided so as to make electrical energy available, at least temporarily, in particular to a consumer load, which has at least two electrodes (3, 3a) of differing polarity, with at least one current conducting device (4, 4a), which is provided to be electrically connected, preferably materially connected, with one of the electrodes (3, 3a) of the electrode assembly (2), with a cell housing (5) with a first housing part (6), wherein the first housing part (6) is provided so as to enclose the electrode assembly (2) at least in certain sections.

Abstract: A system and method for charging batteries. Stops are adjusted for each of the batteries to secure the number of batteries in place. The batteries are placed to abut the stops. Adjustable contacts of the battery charger are positioned against terminals of the batteries. The batteries are secured within the receptacles of the battery charger. The batteries are charged.

Abstract: An object of the present invention is to secure a space in a battery case to house battery cells or minimum gaps to allow swelling of battery cells, so that the battery cells can be held in the battery case without play.

Abstract: A portable battery charger. The portable battery charger is for charging a battery and comprises a housing assembly including a charging port for supporting the battery during charging of the battery, a portable power source supported by the housing assembly, and a charging circuit supported by the housing assembly and electrically connectable between the power source and the battery to supply power from the power source to the battery to charge the battery.

Abstract: A concave portion serving as an erroneous insertion prevention groove is provided on a bottom of a battery pack along a battery pack attachment direction and an engagement concave portion engaged with an engagement member is provided in an battery-mounting equipment, whereby the detachment of the battery from the battery-mounting equipment can be prevented.

Abstract: A universal battery harvester which harvests energy from a plurality of different batteries and stores the harvested energy in an onboard storage battery under control of a microprocessor.

Abstract: An invisible fence battery charger for dramatically reducing homeowner's yearly invisible fence operating costs and reducing disposal of non-rechargeable batteries. The invisible fence battery charger includes a battery pack including a battery with battery terminals being in communication with the battery.