Abstract: Provided is a battery pack comprising a plurality of batteries; and a plurality of memories that correspond respectively to the batteries and that each record deterioration information of the corresponding battery. Each set of a battery and a corresponding memory may be formed integrally as a battery cell. As a result, the deterioration information of each battery cell can be known even after the battery pack is disassembled.

Abstract: A battery management system of a vehicle is provided to prevent a lithium battery from being overcharged and over-discharged and to safely protect the lithium battery from various conditions degrading the lithium battery when the lithium battery is used as a low-voltage battery in the vehicle. The battery management system includes a relay that electrically connect and disconnects power supplied to a load from a battery and a reconnection switch that determines a connection state based on user manipulation and generates a signal for turning the relay on and off based on the connection state. Additionally, a controller turns the relay on and off based on the connection state of the reconnection switch.

Abstract: Disclosed herein are a system and method for managing a battery for vehicle and vehicle thereof. A power network server includes a controller and a memory storing a program to be executed in the controller. The program includes instructions for collecting information about energy consumption of the battery and information about a vehicle state from the vehicle, converting an ambient temperature based energy consumption to a reference temperature based learned energy consumption, calculating a charging or discharging amount of energy by reflecting the current ambient temperature based on the converted learned energy consumption, setting a range of charging or discharging current based on the charging or discharging amount of energy and an extra amount of energy, and managing the battery based on the set range of charging or discharging current.

Abstract: A vehicle includes a traction battery, an on-board charging system (OBCS), and a wireless power transfer system (WPTS). Each of the OBCS and WPTS is configured to selectively use a same rectifier such that the rectifier rectifies output of the OBCS and rectifies output of the WPTS to provide power to the traction battery.

Abstract: A system and method for robotic charger alignment comprises receiving at a robotic charger, a device identification of a receiving device; retrieving a reference object (RO) of the receiving device from a database indexed by the device identification; imaging the receiving device to form at least two images having an angle therebetween with respect to a common location on the receiving device; calculating, by an alignment processing device, a stereo disparity depth map from the at least two images; acquiring an acquired point cloud (APC) from the stereo disparity depth map; generating, by the alignment processing device, rotation and translation data by aligning the RO to the APC; inferring an inlet port location from the RO; and moving the robotic charger proximal to the inlet port using the RO, Rot and T data.

Abstract: A method and apparatus for parking lot metering. The present invention allows multi-space meters to separately manage and control premium parking spaces, such as those for charging electric vehicles or those which supply electric power for engine block heaters in both pay-by-space and pay-and-display systems. Such premium spaces can be managed together over large areas (e.g., a city or region), or may be managed over smaller areas (e.g., the domain of an individual kiosk), or individually per parking space. Management includes pricing, time limits, hours, seasons of operation, and restrictions by vehicle type, and alternative pricing and restrictions for non-premium hours.

Abstract: A battery pack and an electric vehicle including the battery pack, the battery pack including a battery, the battery including at least one battery cell that is rechargeable and dischargeable, wherein the battery supplies power to a load; a controller configured to control an amount of power to be used by the load; and a battery manager configured to measure a remaining capacity of the battery and to provide information about the measured remaining capacity to the controller.

Abstract: A system and a method of controlling charge of a vehicle battery are provided. In particular, when a voltage of the vehicle battery is different from an output voltage of a commercially available quick charger, a compatibility problem is solved through a converter, thereby allowing an inverter, an electric motor, and a connector to have an increased efficiency and to maximize a reduction in size, weight, and material cost thereof.

Abstract: The present invention provides a battery status detection method, which includes the following steps: iteratively executing the following steps: obtaining a current voltage value and a previous voltage value of a battery; calculating a difference between the current voltage value and the previous voltage value; adjusting a low battery state indicator according to the difference; and determining whether to output a low battery warning signal according to the low battery state indicator.

Abstract: A method for measuring a DC voltage such as the voltage Vbat of a motor vehicle battery, according to which the voltage Vbat is converted into a digital value Nbat by an analog-to-digital converter (3) with which a reference voltage Vref is associated. A standard voltage Vo coming from a standard voltage source (11) is, furthermore, delivered regularly to the analog-to-digital converter, and the voltage Vo is converted into a digital value Nvo, then a digital value Ncor representing the value of the voltage Vbat is computed, such that Ncor=Co×(Nbat/Nvo), where Co=Ncor_max×(2N/Vbat_max)×(Vo/Vref), Ncor_max being a value selected for coding the maximum value of Ncor, Nbat_max a digital value resulting from the conversion of the maximum voltage Vbat_max to be measured, and N the number of bits of the analog-to-digital converter.

Abstract: A handheld device for jump starting a vehicle engine includes a rechargeable lithium ion battery pack, a microcontroller, and a jumper cable device. The lithium ion battery is coupled to a power output port of the device through a FET smart switch actuated by the microcontroller. A vehicle battery isolation sensor connected in circuit with positive and negative polarity outputs connectable to the jumper cable device detects the presence of a vehicle battery connected between the positive and negative polarity outputs. A reverse polarity sensor connected to the circuit with the positive and negative polarity outputs detects the polarity of a vehicle battery connected between the positive and negative polarity outputs, such that the microcontroller will enable power to be delivered from the lithium ion power pack to the output port only when a good battery is connected to the output port and jumper cable device, and only when the battery is connected with proper polarity of positive and negative terminals.

Abstract: A method for operating a charging device for a battery of a motor vehicle. The charging device converts electric power obtained from a motor vehicle-external, three-phase energy system supplying other consumers in an infrastructure unit, in particular a house, by a converter device into an electric current that is suitable for charging the battery, and supplies electric energy of the battery by the converter device into the energy system. The charging device receives in an operating phase phase-resolved power data, which is fed to the energy system and measured by a measuring device, and determines phase-specified target power while using phase-related power data outputs for each phase. The target power that is determined for each phase is retrieved from each phase.

Abstract: A method and a system are provided for determining a maximum charge current or a maximum discharge current of an energy storage cell of an energy storage device. The method includes providing a predetermined upper voltage limit or lower voltage limit, and providing a time horizon as a time difference from a present time to a future time. The method also include, with a repetition time period different from the time horizon, repeating measuring a present voltage level of the energy storage cell, calculating a voltage difference between the present voltage level and the upper voltage limit or the lower voltage limit, and determining the maximum charge current or maximum discharge current corresponding to the voltage difference and a model, such that the estimated voltage is within the voltage limits.

Abstract: An assembly of batteries includes a first battery and a second battery electrically connected in parallel. The first battery is configured to deliver a battery capacity in a first power supply voltage range. The second battery is configured to deliver a battery capacity in a second voltage range. An upper limit of the second voltage range is set between upper and lower limits of the first voltage range. In an operating system, if supplied battery power falls below a threshold, the parallel connected first and second batteries are disconnected from the load.

Abstract: A vehicle includes an electric machine, a starter-generator, and a controller. The electric machine is coupled to a traction battery via an inverter. The starter-generator is mechanically coupled with an engine and electrically coupled with a low-voltage battery. And, the controller charges the low-voltage battery with power from the traction battery, and in response to a torque demand of the electric machine falling below a threshold defined by losses of the inverter, transitions to the starter-generator to charge the low-voltage battery.

Abstract: An example on demand, variable supply fuel cell may include an anode coupled to provide electrical continuity for output power of the fuel cell, a cathode coupled to provide electrical continuity for the output power of the fuel cell, a membrane electrode assembly (MEA) disposed between the anode and cathode, the MEA coupled to generate the output power in response to exposure to a fuel, a plurality of capillary tubes to deliver the fuel to the MEA, wherein a first end of each of the plurality of capillary tubes is disposed adjacent to the MEA, and a plate isolator coupled to expose a second end of one or more capillary tubes of the plurality of capillary tubes to the fuel in response to a control signal, where the control signal is based on an amount of output power the fuel cell is to generate.

Abstract: The present invention provides a device and method for waking up an MCU of a BMS operating in a sleep mode. More specifically, the present invention provides a device and method for waking up an MCU of a BMS that is in a sleep mode automatically by generating a wake-up signal only once, when an external power source is connected, without user's operation.

Abstract: In a case where a connector of a power supply facility is connected to an inlet, an ECU is configured to control a potential of a pilot signal so as to request power supply to the power supply facility and to permit execution of external charging. Further, in a case where the ECU detects a feeding voltage from the power supply facility without requesting the power supply to the power supply facility, when it is detected that the feeding voltage is not output from the power supply facility in a state where the connector is connected to the inlet, the ECU permits the external charging.

Abstract: Methods of and apparatus for removing heat generated by cells of a battery pack. The methods and apparatus may employ one or more fan modules disposed between or next to cells of the battery pack, or one or more fans directly mounted to the battery pack or battery pack case housing the cells. Further, a motor controller isolation system operates to electrically isolate the motor controller of the electric vehicle when the battery pack is being charged. The motor controller isolation system may be integrated with the integrated battery pack and thermal and ventilation system. The integrated system, or “integrated battery unit (IBU),” is preferably manufactured in a manner that requires no, modifications to the electric vehicle in which the IBU is installed.

Abstract: A wireless power-supplying system includes a power-transmitting device that transmits power in a wireless manner and a power-receiving device that receives the power and supplies the received power to a load, the power-receiving device includes a switch that switches the connection to the load and a load circuit that is supplied with the power when the switch is in an open state, and the wireless power-supplying system includes a control unit that performs a position determining process of determining whether the power-transmitting device and the power-receiving device have a positional relationship in which power is suppliable to the load on the basis of at least one of power, voltage, and current in at least one of the power-transmitting device and the power-receiving device when the power is supplied to the load circuit.

Abstract: A charging system 1 including a charging apparatus 10 and a data base 20, the charging apparatus 10 including a power supply unit 11, a control unit 12, and a plurality of charging connectors 13-1 to 13-3 compliant with different charging standards. When authentication of identification information succeeds, the control unit 12 determines a charging standard on the basis of vehicle information of the data base 20 and when the authentication of the identification information fails, determines a charging standard on the basis of vehicle information input by a user. Further, the control unit 12 unlocks a charging connector compliant with the determined charging standard and notifies of unlocking.

Abstract: The invention relates to an electrochemical energy accumulator and to a method for switching cells of an electrochemical energy accumulator. According to the invention, the following steps are carried out: a first desired value of an output voltage of the energy accumulator is determined, a first probability for switching a first cell is determined, said first probability predefining connection and/or disconnection of the first cell to or from the electromechanical energy accumulator, a first common state of charge threshold value being defined for all cells of the electrochemical energy accumulator in accordance with the first desired value, and the first cell is disconnected independently from the first probability value as long as the charge state lies below the charge state threshold value.

Abstract: A battery control apparatus includes: a controller configured to control a switch network to control a connection between a converter and a first battery included in a battery group, among batteries, based on switching time information set to correspond to the first battery, wherein the switching time information is set based on a ratio between first state difference information of the first battery and second state difference information that is calculated based on first state difference information items of the batteries.

Abstract: A semiconductor device includes: an annular or partially annular substrate; a first control circuit provided on the substrate and configured to control a first phase of a motor; a second control circuit provided on the substrate so as to be adjacent to the first control circuit in a circumferential direction of the substrate and configured to control a second phase of the motor; a power supply wiring disposed on one of outer and inner circumferential sides of the first and second control circuits in a radial direction of the substrate, the power supply wiring being connected to the first and second control circuits, and extending in the circumferential direction; and a ground winding disposed on another one of the outer and inner circumferential sides of the first and second control circuits in the radial direction, being connected to the first and second control circuits, and extending in the circumferential direction.

Abstract: A wireless charging device includes a plurality of antennas, a plurality of AC/DC converters, and a controller. The antennas receive power, are located at different positions of an electronic device, and are oriented in different directions. The AC/DC converters are connected to respective ones of the antennas and convert AC signals from the antennas to DC signals. The controller measures intensities of the converted signals from the AC/DC converters, compares the intensities, and selects one of the antennas having a greater intensity for charging a battery.

Abstract: According to a first aspect of the present disclosure, an electronic device is provided, comprising: a first power extraction unit configured to extract a first amount of power from an RF field present on the RF antenna and to provide said first amount of power to one or more circuits of the electronic device; a second power extraction unit configured to extract a second amount of power from the RF field and to provide said second amount of power to an output of the electronic device; a control unit configured to control the second amount of power provided to said output. According to a second aspect of the present disclosure, a corresponding power management method for use in an electronic device is conceived. According to third aspect of the present disclosure, a corresponding non-transitory computer-readable medium comprising instructions is provided.

Abstract: Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods are described. According to one aspect, a battery includes a first battery terminal, a second battery terminal, and a plurality of submodules individually comprising a first submodule terminal, a second submodule terminal, a plurality of rechargeable cells electrically coupled between the first and second submodule-terminals, and switching circuitry configured to electrically couple one of the first and second battery terminals with one of the first and second submodule terminals of one of the submodules during an engaged mode of operation of the one of the submodules and to electrically isolate the one of the first and second battery terminals from the one of the first and second submodule terminals of the one of the submodules during a disengaged mode of operation of the one of the submodules.

Abstract: According to embodiments, an electric bus includes an electricity storage function unit, a power receiving unit, a charger, a driving unit, doors, and a controller. The controller transmits a first signal including information capable of identifying an attribute of the electric bus and instructing an external device to start charging the electricity storage function unit, to the external device, upon detecting at least one of the doors is opened; and transmits a second signal instructing the external device to stop charging the electricity storage function unit, to the external device, upon detecting all the doors are closed.

Abstract: A vehicle includes an engine, an MG (motor generator) 1, an MG2, a planetary gear device mechanically coupled to the engine and MG1 and MG2, a battery, a converter configured to boost a voltage from the battery, an inverter configured to perform a power conversion between the converter and MG1 or between the converter and MG2, and a controller. MG1 generates a counter-electromotive voltage when rotated by the engine, and a braking torque is generated as the counter-electromotive voltage becomes greater than the output voltage of the converter. During an inverter-less running control where the inverter is put into a gate shut-off state and the engine is driven to cause MG1 to generate the counter-electromotive torque, the controller decreases a voltage difference between the counter-electromotive voltage and the output voltage of the converter when a chargeable power of the battery is lower than a predetermined value.

Abstract: An electric power conversion device for charging and discharging energy storage devices having at least one bidirectional voltage converter which can be connected to a power supply network and to at least one electrochemical energy converter for an energy storage device that is configured as a flow battery and has a circulation arrangement for electrolytes. The electric power conversion device has a controller connected to the voltage converter and is designed to control the voltage converter with regard to the power flow direction thereof. The controller is designed to control one or more energy storage peripheral devices associated with the electrolytes depending on the power flow direction of the voltage converter specified by the controller. The controller has at least one control port for connection of at least one of these energy storage peripheral devices.

Abstract: An example wireless power receiver includes antenna elements that receive power from a constructive interference by convergence of radio frequency power waves transmitted by a wireless power transmitter. The receiver also includes a rectifier, and a processing apparatus. The processing apparatus monitors operational metrics associated with the receiver, and runs at least a first test that analyzes a first operational metric and a second test that analyzes a second operational metric. The second test is performed in accordance with a determination that the first operational metric satisfies a first reference metric in a set of reference metrics. Based on analyses of the first and second tests, the processing apparatus performs a restart action at the receiver after determining that either the first operational metric does not satisfy the first reference metric, or the second operational metric does not satisfy a second reference metric in the set of reference metrics.

Abstract: A method and battery charger for charging one or more batteries includes a pulse generator, a detector and a processor communicably coupled to the pulse generator and the detector. A recovery/discharge circuit is electrically connected to each battery, and one or more energy storage devices are electrically connected to each of the recovery/discharge circuits. A charging pulse group, which includes a positive pulse, a rest period and a negative pulse, is determined based on one or more battery parameters using the processor and the detector. The charging pulse group is generated using the pulse generator, and sequentially applied to each of the batteries. Energy is recovered from each of the one or more batteries using the recovery/discharge circuits during the negative pulse, and the energy is stored in the one or more energy storage devices. The battery parameters are monitored and the charging pulse group may be adjusted.

Abstract: An automotive vehicle on which a motor for traveling, a battery configured to supply electric power to the motor, and a charging system configured to charge the battery, are installed. The automotive vehicle includes an abnormality informing unit configured to immediately inform occurrence of an abnormality regarding the charging system when the abnormality is detected, on a condition that the abnormality is a first abnormality that affects traveling, and inform occurrence of an abnormality when a next trip is started, on a condition that the abnormality is a second abnormality that does not affect traveling.

Abstract: A power docking port system includes a charging probe having a substantially tetrahedral shape with multiple sides and a base portion, each of the multiple sides having a surface. A first set of contacts is embedded into the charging probe and each of the contacts extends radially outwardly from the base portion disposed at a predetermined angle from the others. A second set of contacts are individually mounted onto a different one of the multiple sides so as to conform with its surface. A port is adapted for use in current charging of electronic vehicles wherein the port is constructed to mate with the charging probe and the port includes a mating contact for each of the contacts on the charging probe. The port further includes an interface connector located at an output end of the port for electrically coupling with external power lines and other circuits.

Abstract: The present invention provides an emergency starting device, including a first output end and a second output end, wherein the first output end is used for being connected to a positive electrode of an accumulator battery in an engine starting system and the second output end is used for being connected to a negative electrode of the accumulator battery; the device includes a super-capacitor, a controller and a DC-DC booster circuit, wherein the controller receives first electrical signal from the accumulator battery and electrically connects the super-capacitor and the accumulator battery to start the engine with energy stored in the super-capacitor when the first electrical signal changes suddenly, the DC-DC booster circuit increases the output voltage of the accumulator battery to charge the super-capacitor. The invention further provides an emergency starting method accordingly.

Abstract: The present disclosure teaches a control unit for the exchange of electrical power between a first, a second, a third, and a fourth wiring system branch of a wiring system of a vehicle. The control unit may include a first switching device, a second switching device, a third switching device, and a first, second, third, and fourth terminal configured for connection to the first, second, third and fourth wiring system branches respectively. The first switching device may be connected between the first terminal and the fourth terminal. The second switching device may be connected between the fourth terminal and the third terminal. The third switching device may be connected between the second terminal and the third terminal.

Abstract: Various embodiments of the present disclosure provide an auxiliary battery charging system for monitoring and regulating the energy flow to an auxiliary battery in a vehicle. More specifically, the auxiliary battery charging system of the present disclosure includes a monitoring controller configured to operate with a plurality of sensors, a display device and a battery charger to display the battery status (such as temperature, voltage, time of last charge); initiate charging of the auxiliary battery when the auxiliary battery voltage reaches a predetermined minimum voltage; and disable the charging process when the auxiliary battery voltage has reached an optimum level.

Abstract: An emergency startup device of an electric vehicle has a high-voltage power battery, a motor driver, a high-voltage control box, a vehicle controller, a low-voltage DC battery, and an emergency starter. The vehicle controller turns on or off the high-voltage control box. When the low-voltage DC battery does not have enough electricity to provide electricity to the vehicle controller, the vehicle controller may not turn on the high-voltage control box, the high-voltage power battery may not provide electricity to the motor driver, and the electric vehicle may not be driven. When the emergency starter is operated, the high-voltage power battery charges the low-voltage DC battery through the emergency starter. Then, the low-voltage DC battery provides enough electricity to the vehicle controller, and the electric vehicle is normally driven.

Abstract: The present disclosure may provide a wireless power system which may be used to provide wireless power transmission while using pocket-forming. The wireless power system may be used in a house for providing power and charge to a plurality of mobile and non-mobile devices. The house may include a single base station that may be connected to several transmitters. The base station may manage operation of every transmitter in an independently manner or may operate them as a single transmitter. The connection between the base station and transmitters may be achieved through a plurality of techniques including wired connections and wireless connections. The base station may include at least one micro-controller and a power source.

Abstract: After an alkaline secondary battery is determined to be in an over-discharge state, a battery pack is discharged while an electrolytic solution contained in the alkaline secondary battery in the over-discharge state is decomposed so that traveling using power of a motor is performed. The electrolytic solution remains in the alkaline secondary battery even when the alkaline secondary battery is in the over-discharge state. The alkaline secondary battery in the over-discharge state can be discharged and a vehicle can be allowed to travel by decomposing the electrolytic solution. In this manner, a traveling distance available during evacuation traveling of the vehicle can be increased.

Abstract: An electrical storage system includes an electrical storage device, a voltage sensor, a current sensor and a controller. The controller calculates a full charge capacity of the electrical storage device on the basis of a state of charge of the electrical storage device at the time when external charging is started, a state of charge of the electrical storage device at the time when the external charging is completed, and an accumulated value of a current value during the period when the external charging is being carried out, and sets a polarization elimination time. When a stopped time during the period when charging or discharging of the electrical storage device is stopped is longer than the polarization elimination time, the controller regards a voltage value of the electrical storage device at the time of at least one of the start of the external charging or the completion of the external charging as an open circuit voltage of the electrical storage device.

Abstract: Examples of methods and devices provide a charge level indication of a removable power source of a lighting control device. An example method may include receiving an input indication. A duration of the input is measured. If the measured duration exceeds a predetermined input duration threshold, an indication of a charge level of a removable power supply is obtained. The obtained charge level indication is compared, by a control unit, to a threshold charge level of the power supply. The threshold charge level is indicates an amount of charge remaining in the power supply. In response to a comparison result, an indicator light signal is applied to an indicator light. An example device may include a removable electrical power supply, an input device, an indicator light, and a control unit all of which may cooperate to perform a disclosed method.

Abstract: A safety circuit is provided for a portable charger having a charger battery operatively connected by a power supply to positive and negative jumper cable jacks capable of jump starting a 12V car battery as well as at least one USB port capable of charging 5V portable electronic devices. The safety circuit includes a jump start relay operatively connecting the power supply to the positive and negative jumper cable jacks; a microprocessor, and a voltage input analyzer operatively connected with the microprocessor to enable or disable the jump start relay.

Abstract: One embodiment relates to a system for idle reduction in a hybrid vehicle. The system includes a control system for causing the vehicle to operate in a charge depletion mode, or a charge accumulation mode in response to job site data; the job site data can include an estimate of the amount of energy required at the job site.

Abstract: A structure for mounting an electric storage apparatus includes the electric storage apparatus outputting an energy for use in running of a vehicle, a vehicle body including a recessed portion housing the electric storage apparatus, a fastening member fixing the electric storage apparatus to the recessed portion, and a reinforce. The reinforce is disposed at a position surrounding the electric storage apparatus together with the recessed portion and is fixed to the vehicle body. The reinforce presses the electric storage apparatus against the recessed portion.

Abstract: A vehicle capable of more efficiently performing reserved charging and a charging control method thereof are disclosed. A charging control method of a vehicle including an electric motor and a battery for driving the electric motor includes setting reserved charging, setting a first charging start time on the assumption that an input voltage of an external charger is a first voltage, and starting charging of the battery when the first charging start time is reached. Upon determination that a second voltage which is an actual input voltage of the external charger is different from the first voltage, a second charging start time is set in consideration of the second voltage and estimated input current. Upon determination that the second charging start time is set, the battery is normally charged when the second charging start time is reached.

Abstract: A wireless charging receiver operates on a resonance principle and includes an impedance matching circuit coupled between an antenna and a rectifier circuit. The impedance matching circuit has both series-connected and parallel-connected capacitors. At least one of the capacitors is a tunable variable capacitor. A method is provided for automatically adjusting a capacitance value of the at least one variable capacitor based on an error voltage between a target rectifier voltage and a measured rectifier voltage. Automatically adjusting the antenna impedance of the receiver provides for improved power transfer efficiency for changing operating conditions. In one embodiment, one or more of the parallel-connected capacitors are variable capacitors. In another embodiment, one or more of the series-connected capacitors are variable capacitors.

Abstract: An electrical storage system includes an electrical storage device, a voltage sensor, a current sensor and a controller. The controller calculates a full charge capacity of the electrical storage device on the basis of a state of charge of the electrical storage device at the time when external charging is started, a state of charge of the electrical storage device at the time when the external charging is completed, and an accumulated value of a current value during the period when the external charging is being carried out, and sets a polarization elimination time. When a stopped time during the period when charging or discharging of the electrical storage device is stopped is longer than the polarization elimination time, the controller regards a voltage value of the electrical storage device at the time of at least one of the start of the external charging or the completion of the external charging as an open circuit voltage of the electrical storage device.

Abstract: System and methods for estimating a future power capability of a battery system included in a vehicle are presented. In some embodiments, a method for estimating a future power capability of a battery system may include determining an initial battery voltage when the battery operates at a current limit and estimating a future battery current at a first time when the battery operates at the associated voltage limit based on the initial battery current. A future battery voltage at the first time when the battery operates at the associated current limit may be determined based on the initial battery voltage. An estimated voltage-limited power capability of the battery at the first time may be determined based on the future battery current and an estimated current-limited power capability of the battery at the first time may be determined based on the future battery voltage.

Abstract: Systems and methods are provided for inductive powering and/or charging of electric or electronic devices or batteries. For example, a system may comprise a base unit, such as a charger or power supply, which includes one or more primary coils generally having a planar or curved surface. Each primary coil can be activated to generate a magnetic field in a direction substantially perpendicular to the planar or curved surface to provide power to one or more inductive power receiver coils of a receiver to power or charge one or more portable devices or batteries. The base unit is capable of detecting a wireless communication signal or a modulation communication signal in the one or more primary coils created by modulation of the receiver's impedance and is capable of using the wireless communication signal or the modulation communication signal to control output voltage, current or power from the receiver.