Abstract: A charger and a charger controlling method for a battery rod having a small battery capacity are provided, which are used to charge a battery rod comprising a charging management circuit, and the battery capacity C of the battery rod is less than 100 mAh. The method comprises: defining a preset constant charging current I based on the battery capacity C of the battery rod in order to charge the battery rod with a current of KC, wherein, the value of K is less than 1, and the value of I and the value of C conform to the following relationship: I=K*C; detecting a real-time charging current Itemp of the battery rod in real time; comparing Itemp with I, and adjusting the output charging voltage according to the comparison result to charge the battery rod with a current of KC.

Abstract: A charging system and method of a battery are provided. The charging system includes a PFC (power factor correction) converter that converts alternating current input voltage into direct current input voltage and outputs the direct current voltage, and corrects a power factor. A DC-DC (direct current-direct current) converter varies the levels of direct current voltage output from the PFC converter and a battery is charged with the current output from the DC-DC converter. In addition, a controller is configured to adjust an output voltage of the PFC converter based on a charging voltage of the battery, which is varied by the charging and discharging of the battery.

Abstract: An apparatus for charge management for an electric vehicle is disclosed. A system and method also perform the functions of the apparatus. The apparatus includes a battery status module that displays a battery charge status indicator on an electronic display of an electric device. The battery charge status indicator is for a battery providing power to the electric device. The apparatus includes a charging target module that displays a charging target on the electronic display. The charging target is related to the battery charge status indicator and indicates a desired charge level for the battery. The apparatus includes a target adjustment module that adjusts the charging target based on a predicted next battery charging and battery usage, wherein the battery charging and usage are based on a schedule and/or a planned route.

Abstract: A battery cell charger for rapidly charging a lithium ion battery cell (or string of series-parallel connected cells) having a maximum battery cell voltage the battery cell charging system including: a circuit for charging the battery cell using an adjustable voltage charging-profile to apply a charging voltage and a charging current to the battery cell wherein the adjustable voltage charging-profile includes: a first charging stage with a constant first stage charging current and an increasing battery cell voltage with the first stage charging current provided until the first stage charging voltage is about equal to a first stage complete voltage less than the maximum battery cell voltage; one or more intermediate charging stages, each intermediate stage selected from the group consisting of one or more of an intermediate constant voltage stage that provides a decreasing charging current, an intermediate constant current stage that produces an increasing battery cell voltage, and combinations thereof; and a

Abstract: An apparatus and a method to charge a battery, the battery charging apparatus including: a battery unit which is chargeable; a battery charging unit which charges the battery unit; and a controller which adjusts a preset charge voltage of the battery unit based on a charge allowance capacity of the battery unit to have a predetermined value, and controls the battery charging unit to output the adjusted charge voltage and to charge the battery unit. Accordingly, the apparatus and method are capable of charging a battery based on a charge allowance capacity decreased owing to deterioration of the battery to safely use the battery and to extend a life of the battery.

Abstract: An apparatus and method for lost power detection are described. In one implementation, an apparatus for wireless transferring power comprises a wireless power transmitter configured to wirelessly transmit power at a power level sufficient to power or charge a chargeable device. The apparatus further comprises a controller configured to determine a first and second power difference between a first and second power measurement and the second and a third power measurement of the power level provided by the wireless power transmitter at a first, second, and third sample time, respectively. The controller is further configured to determine a transmitter power difference between the first power difference and the second power difference. The controller is further configured to determine an absence or a presence of an object that affects consumption of power transmitted by the wireless power transmitter based at least on the transmitter power difference ?_T.

Abstract: The invention relates to a system for managing the charging of at least one cell of a storage battery, comprising: two separate means for comparing the voltage across the terminals of said cell with a threshold voltage; and two separate controlling means adapted to control two actuators, respectively, in order to interrupt the charging of the storage battery when said first or second comparing means detects that the voltage across the terminals of said cell exceeds the threshold voltage. One of the actuators is formed by a charger that is connected to said storage battery in order to recharge said cells.

Abstract: A charging control method and system for an environmentally friendly vehicle are provided and promote the enhancement of charging efficiency by improving a power control method of a power factor correction (PFC) converter while a battery is being charged through an on board charger (OBC) in vehicle. The method sensing, by a voltage detector, a battery voltage during charging and calculating, by a controller, a target value to maintain an output voltage of the PFC converter. The target value is calculated from the sensed battery voltage and the maximum available duty value of the DC-DC converter. The output voltage of the PFC converter is maintained, based on the calculated target value.

Abstract: A charge system is disclosed. A charge system includes a switching device and a controller. The switching device performs switching of a DC input voltage at a predetermined switching frequency to generate an output voltage, and the output voltage being utilized for charging said battery. The controller allows the switching device to operate at a first switching frequency immediately after starting of charge and at a second switching frequency when a frequency changing condition holds. The second switching frequency is higher than that of first switching frequency.

Abstract: Provided are battery SOC estimating apparatus and method. The battery SOC estimating apparatus according to the present invention includes a first SOC calculating unit which applies a predetermined parameter to calculate a first state of charge (SOC) of a battery; one or more second SOC calculating units which individually apply different parameters to calculate one or more second SOCs of the battery; and an optimal parameter extracting unit which confirms a second SOC which is the closest to an actual SOC of the battery from one or more second SOCs to extract a parameter which is applied to the second SOC which is the closest to the actual SOC as an optimal parameter, in which the first SOC calculating unit applies the optimal parameter to calculate a final SOC of the battery.

Abstract: Disclosed is a method and system for allocating identifiers to multi-slaves in a battery pack. The method for allocating identifiers, in which a master battery management system (BMS) allocates identifiers to N (N is an integer of 2 or above) number of slave BMSs through a communication network, includes (a) by each slave BMS, generating an initial identifier by combining digital voltage measurement values of battery cells included in a battery module managed by the slave BMS and transmitting the initial identifier to a master BMS; and (b) by the master BMS, allocating identifiers again according to the initial identifier received from each slave BMS and then transmitting the identifiers to slave BMSs. Therefore, it is possible to allocate identifiers without inputting an identifier to a multi-slave BMS in advance or using a separate hardware configuration.

Abstract: An electronic device includes a power receiving unit and a secondary battery. The electronic device can send an instruction to an outside to stop power transmission, and operates by a discharge current of the secondary battery. In a case where the secondary battery is charged and a voltage of the secondary battery becomes higher than a first threshold and lower than a second threshold larger than the first threshold, charging of the secondary battery is stopped without sending the instruction to stop the power transmission, and after an elapse of a predetermined period of time, the charging of the secondary battery is restarted. When the voltage of the secondary battery thereafter becomes higher than the second threshold, the instruction to stop the power transmission is sent, and the charging of the secondary battery is stopped.

Abstract: The present invention provides an apparatus that includes a resistive control block (RCB) coupled to data lines of a universal serial bus (USB) connector charging port and is configured to change a level of resistance between the data lines. The apparatus further includes a sensing and adjustment block (SAB) that is configured to sense a predetermined level of overheating of the USB connector charging port and cause the RCB to increase the level of resistance resulting in the USB connector charging port to appear as a different type of port. In another embodiment, an apparatus includes a RCB and SAB. The RCB is coupled to an identification and ground lines of a USB connector and configured to change a level of resistance between them. The SAB is configured to sense a predetermine level of overheating of a USB connector and cause the RCB to decrease the level of resistance.

Abstract: An apparatus, system, and method for charging batteries is provided. The apparatus comprises a monitoring unit configured for coupling to a battery and power source. The monitoring unit configured to acquire a control value indicative of a parameter, and to control the charging of the battery responsive thereto. The system comprises a plurality of battery chargers configured for coupling with respective batteries and a common power source. Each charger configured to obtain information relating to a parameter, to communicate the information to the other chargers, to acquire a control value from the information obtained thereby or received from another charger, and to control the charging of the associated battery based on the acquired control value. The method comprises providing a monitoring unit coupled to a battery and power source, acquiring a control value indicative of a parameter, and controlling the charging of the battery responsive to the control value.

Abstract: A reversible buck or boost converter is operable in a buck mode and in a boost mode. In the buck mode, the converter receives a supply voltage via an input terminal and generates a charging current that is supplied to a battery, thereby charging the battery. The supply voltage is also supplied through the converter to an output terminal. In a boost mode, the converter receives power from the battery and generates a supply current and voltage that is output onto the output terminal. The same single current sense resistor is used both to control the charging current in the buck mode and to control a constant current supplied to the output terminal in the boost mode. The output current is controlled to be constant, regardless of changes in the in the battery voltage and changes in the output voltage.

Abstract: In an electric power supply system, a plurality of batteries (405, 406) are connected in series by a switch group (402 to 404, 407 to 409), and a higher voltage and a lower voltage are output through a terminal and a VOL terminal, respectively, and are respectively converted in the voltage thereof by two step-down DC-DC inverters (105, 106). During a discharge operation upon a serial connection, remaining content of the batteries is measured in a period other than the period of discharge from the batteries (105, 106), and the connection mode of the serial connection is controlled based on the remaining content, to control the discharge of the respective batteries up to the discharge capacity.

Abstract: An early warning and monitoring system is disclosed for battery cells and battery packs. During normal cycling of a battery, surface temperature, voltage, current and impedance may be monitored to determine if abnormalities exist in the battery and/or battery structure. The abnormalities may be advantageously detected using battery temperature characteristics, where the characteristics are subject to rule-based processing to determine impending battery failure. By receiving advance notice of failure, a warning signal may be transmitted to provide notice and/or allow corrective action to be taken.

Abstract: A low power display device including a power control circuit for controlling power from an environmental energy source to a power storage device that is charged by the environmental energy source, is described.

Abstract: A universal serial bus charging device for charging connected electronic devices is presented. The universal serial bus includes a microprocessor and a power supply configured to output a total charging current. The universal serial bus charging device further includes a plurality of low voltage ports in communication with the microprocessor and electrically coupled to the power supply. Each of the plurality of low voltage ports are capable of connecting with the electronic devices and providing the electronic devices a device charging current. The microprocessor is configured to enumerate the connected electronic devices and communicate to each of the enumerated electronic devices the device charging current available through its respective low voltage port connection. The available device charging current for each enumerated electronic device is determined by the microprocessor as a function of a total charging current and the enumerated electronic devices.

Abstract: A battery control system includes a lithium ion secondary battery and a control device and further includes a voltage storage unit, a resistance storage unit, a current storage unit, a difference obtaining unit for obtaining a difference resistance ?R(Tja) between a normal internal resistance Rj(Tja) at a predetermined battery temperature Tja in a normal temperature range ATj and an initial internal resistance R0(Tja) at the predetermined battery temperature, and a maximum voltage calculation unit for giving a maximum inter-terminal voltage Vm(T), when at least a battery temperature T is within a low-temperature range ATl, as a value obtained by adding a product of the difference resistance ?R(Tja) and the allowable charging current Im(T) to the initial maximum inter-terminal voltage Vm0(T).

Abstract: Disclosure has a method for charging a rechargeable battery. The rechargeable battery is charged by a charger in a first constant current mode for a main charge time period. After the main charge time period, the charger stops charging the rechargeable battery for a relaxation time period. During a sample time period that starts after a predetermined settle time period following the beginning of the relaxation time period, the charger detects an open-circuit voltage of the rechargeable battery to compare with a target voltage. If the open-circuit voltage is less than the target voltage, the charger charges the rechargeable battery in a second constant current mode for a coercive charge time period.

Abstract: An exemplary battery charge monitoring method includes, among other things, calculating expected charge data for a battery using at least a capacity of the battery and a charge rate, and comparing actual charge data to the expected charge data to identify differences between the actual charge data and the expected charge data.

Abstract: A method of operating a wireless power transmission apparatus includes receiving, from a wireless power reception apparatus, information on an operating power of a micro control unit (MCU) of the wireless power reception apparatus and information on an output of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus; determining whether a charging power is to be transmitted to the wireless power reception apparatus based on the received information on the output of DC/DC converter; and transmitting, to the wireless power reception apparatus, an MCU operating power calculated based on the received information on the operating power of the MCU in response to a determination that the charging power is not to be transmitted to the wireless power reception apparatus.

Abstract: The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system obtains a voltage of the battery and a state-of-charge of the battery. Next, the system calculates an effective C-rate of the battery using the voltage and the state-of-charge. Finally, the system uses the effective C-rate to manage a charging process for the battery.

Abstract: Methods and apparatus for dynamically adjusting the amount of power (or current) distributed to one or more connected devices via electrical interfaces. In one embodiment, the apparatus comprises a first module adapted to detect current drawn by a first set of ports, and a second module adapted to adjust the current provided to a second set of ports based on the detected current. The second module is also optionally adapted to distribute unreserved current among the devices according to an allocation protocol. In the exemplary context of a plurality of interconnected serial bus devices, the invention enables a device to draw more current than that required to be reserved for that device (such as to comply with a specification such as USB), yet without increasing the total amount of power which must be dedicated to the serial ports as a whole. Power supply efficiency may also be advantageously optimized.

Abstract: An electric vehicle charges a battery through an electric vehicle power supply apparatus, and periodically checks a current charged state of the battery during a charging operation. During the charging operation, the electric vehicle transmits to a user terminal a first charging information notifying message including information on a current charged state of the battery. When the completion of charging of the battery is detected, the electric vehicle transmits to the user terminal a second charging information notifying message providing notification of the completion of charging of the battery.

Abstract: A dual-interface card reader module is disclosed including: a card accessing circuit; a power controller for providing a charging current to a USB device; an overcurrent detector coupled with the power controller for generating an overcurrent notice when the charging current is greater than a current threshold; and a control circuit coupled with the card accessing circuit and the power controller for accessing a data storage card via the card accessing circuit and instructing the power controller to reduce its electricity output to lower the charging current when receiving the overcurrent notice.

Abstract: The present disclosure relates to a charge power control apparatus, a charge power control method, a program, and a solar power generation system, for improving charge efficiency. A solar power generation system includes a solar panel that receives sunlight to generate power, a PV power conditioner that performs DC/AC conversion of the power generated by the solar panel, and a charging AC/DC converter that performs AC/DC conversion of power output from the PV power conditioner and charges a storage battery. Voltage of the power supplied to the PV power conditioner from the solar panel is acquired while the power supplied from a power system is stopped, and a change in power supplied to the PV power conditioner from the solar panel is obtained according to the voltage. Charge power that is output from the charging AC/DC converter to charge the storage battery is adjusted based on the change in voltage.

Abstract: A control circuit and method for use with an electronic cigarette box, the control circuit includes a charge management module, an inner battery, a control module, a voltage booster, a batter voltage detective module, a load detective module and an indicative module. According to received signals form the battery voltage detective module, the load detective module and the charge management module, the control module control the voltage booster adjusting a charge voltage supplied from the inner battery and outputting a voltage to charge a charge load, and the control module further control the indicative module displaying a charge state. The control circuit provides indications of various operation states or breakdown states, various charge interfaces, functions of detecting load and protection for inner battery and circuits.

Abstract: A battery is charged by first charging the battery at a constant current during a first time interval, and then charging the battery at a varying current during a second time interval. The battery can be a lithium-ion battery, and the charging uses a kinetic model. The kinetic model models the battery having an indiffused well having a capacity c, and a diffused well having a capacity 1?c, and the indiffused well is filled directly by the current, and the diffused well is filled only from the indiffused well via a valve with constant inductance.

Abstract: Stated is a charging-current regulating device for charging an energy storage device for a field device, and for regulating a charging current for the energy storage device, wherein regulating the charging current for the energy storage device takes place in such a manner that a limiting value relating to an input current of the field device is not exceeded. Regulating the charging current may take place in such a manner that energy storage takes place as quickly as possible and without overloading an input protection circuit of the field device.

Abstract: The present invention provides a method for controlling a charging voltage of a 12V auxiliary battery for a hybrid vehicle, which can (1) improve charging efficiency of an auxiliary battery by increasing the output voltage of a DC-DC converter during cold start when the outside air temperature is low, (2) improve the charging efficiency of the auxiliary battery by increasing or decreasing the output power of the DC-DC converter according to the state of charge of the auxiliary battery and by increasing the output voltage of the DC-DC converter when many electrical loads are turned on, and (3) allow the DC-DC converter to provide continuous power supply for charging the auxiliary battery by turning on a main switch disposed between a high voltage battery and the DC-DC converter based on a reverse power conversion operation of the DC-DC converter even in the case where the voltage of the auxiliary battery falls below 9V.

Abstract: The invention relates to a method and a device for adjusting a load current during operation of a load which is connected to a supply line of a power supply system via load connections. An internal resistance of the power supply system effective on the load connections is determined and used for adjusting the load current. The basic idea of the present invention is based on the determination and monitoring of the internal resistance of the supplying power grid so as to early recognize potential risks and to initiate appropriate measures. From the determined internal resistance value, a statement can be made with regard to the quality of the power supply system, such as a building installation, from the main power distribution to the supply line in the supplying cable outlet to the load connections.

Abstract: Disclosed is a wireless charging device for charging electronic devices placed within proximity of the transmitter of the wireless charging device. The wireless charging device includes an inductive coupler, a reflected power detector, a power source and a power control system. The inductive coupler is configured to charge at least one electronic device present in the charging area. The inductive coupler takes power form the power source. The inductive coupler is also capable of communicating with electronic devices being charged to exchange a set of information. In addition to notebook PCs, this solution can be extended to desktop and tablet PCs, slates and office furniture as pervasive means of wireless charging multiple devices.

Abstract: A device and associated testing method for empirically determining the state-of-charge of an electrochemical energy device, comprising: applying electrical excitations to the energy device at a predetermined electrical excitation frequency ?e; applying mechanical excitations to the energy device at a predetermined mechanical excitation frequency ?m; measuring an electrically-induced phase difference ??e(?e) between voltage (V) and current (I) within the energy device from applying the electrical excitations; measuring a mechanically-induced phase difference ??e(?m) between voltage (V) and current (I) within the energy device from applying the mechanical excitations; and deducing the empirical real-time state-of-health of the energy device by comparing the electrically-induced phase difference ??e(?e) with the mechanically-induced phase difference ??e(?m); and using the deduced state of health to determine the state of charge.

Abstract: An energy storage device includes an integrated fuel gauge that is operatively connected to the energy storage device. The fuel gauge evaluates an operating parameter of the energy storage device and dynamically determines a state of charge. A charging component is coupled to the energy storage device with a single communication line. The fuel gauge communicates a communication including a requested operating parameter to the charging component with the single communication line according to a predetermined charge profile based on the state of charge determined.

Abstract: A control circuit for reducing a charging time and a method thereof are provided. The charging device includes an input unit configured to receive a control signal indicating that applied power is process power, and a switch configured to cut off a path between a terminal set and a battery while the process power is applied, when the applied power is the process power.

Abstract: The present invention provides a sulfide solid battery system including: a solid battery including a cathode layer, an anode layer and a solid electrolyte layer disposed between the cathode layer and the anode layer; and a controller capable of controlling a charge-stopping voltage of the solid battery, wherein: LiNixCoyMnzO2 (x+y+z=1 and 0.32<x, y, z<0.34) is employed for the cathode layer and a sulfide solid electrolyte is employed at least for the solid electrolyte layer; and the charge-stopping voltage of the solid battery is controlled by the controller in charging the solid battery so that the charging is stopped at 4.3 V or less with reference to a potential at which graphite stores/releases lithium ions, in order to improve a cycle characteristics of the sulfide solid battery.

Abstract: The present disclosure provides a method for testing a USB cable applied in an electronic device. The electronic device includes a battery charged by a charger via the USB cable. The method can include determining at least two different values of charging currents. The method can further include generating a first control signal according to the determined values of charging currents. Sending the first control signal to the charger via the USB cable, to inform the charger to respectively charge the battery by charging currents with the determined values. Detecting values of at least two voltages output to the battery. Comparing a calculated variation degree between the detected values of voltages with a preset variation degree. Generating a first type of message according to a compared result between the calculated variation degree and the preset variation degree.

Abstract: A battery charger is disclosed that is configured to be connected to an external battery by way of external battery cables. In accordance with an important aspect of the invention, the battery charger is configured with automatic voltage detection which automatically determines the nominal voltage of the battery connected to its battery charger terminals and charges the battery as a function of the detected nominal voltage irrespective of the nominal voltage selected by a user. Various safeguards are built into the battery charger to avoid overcharging a battery. For battery chargers with user selectable nominal battery voltage charging modes, battery charger is configured to over-ride a user selected battery voltage mode if it detects that the battery connected to the battery charger terminals is different than the user selected charging mode.

Abstract: An inductively-heated applicator system including a heating module and applicator or applicator pen. The heating module includes a dock for seating the applicator. The heating module includes circuitry to selectively generate an electromagnetic field to wirelessly provide energy to the applicator when it is positioned in the dock. The heating module may also include temperature control circuitry to at least one of monitor and control the temperature of the applicator. The applicator pen includes a heating element that may be heated through energy provided by the electromagnetic field. The heating element may be directly inductively heated by the electromagnetic field. The heating element may be a roller element that heats and applies the product. Alternatively, the applicator may include a secondary in which electrical power is induced when the electromagnetic field is present. In this alternative, the power may be applied to the heating element to produce resistive heat.

Abstract: An electric storage device includes an electric storage unit that includes one or a plurality of electric storage elements, a measurement unit that measures voltage, a current, and a temperature of the electric storage element, and a calculation unit that calculates internal resistance of the electric storage element based on the voltage, the current, and the temperature measured by the measurement unit. When a determination unit detects discontinuity of temporal variation of the calculated internal resistance, it is determined that the electric storage element has been exchanged. Since the electric storage element such as a lithium ion secondary battery has such a characteristic that the internal resistance increases as the number of use is increased, the exchange of batteries can be detected from the change in the internal resistance.

Abstract: A charging control apparatus (310) controls wireless charging between one charging apparatus (10) and a vehicle (20) which communicates with the one charging apparatus via a communication relay apparatus (30). The charging control apparatus is provided with: an outputting device (320, 330) for transmitting a first signal which is a signal for designating a signal outputted from the one charging apparatuses, to of the one charging apparatuses; a detecting device (320, 330) for detecting a third signal, which is transmitted by wireless communication from the vehicle and which is a signal corresponding to a second signal which is a signal outputted from the one charging apparatus due to the transmitted first signal; and a distinguishing device (310) for correlating the one charging apparatus with the vehicle on the basis of the transmitted first signal and the detected third signal.

Abstract: A control circuit is provided which includes a pre-charge circuit connected in parallel with a solid state switching device of, for example, a power distribution network. The pre-charge circuit pre-charges a load capacitance at a load side of the switching device prior to activation of the switching device. The pre-charge circuit includes a threshold waveform generation circuit and an over-current detect circuit. The threshold waveform generation circuit synthesizes a maximum acceptable charging waveform for the pre-charge circuit in charging the load capacitance, and the over-current detect circuit signals an over-current fault condition upon a charging current through the pre-charge circuit exceeding the synthesized, maximum acceptable charging waveform. The pre-charge circuit includes a sense resistor coupled to a power input side of the solid state switching device, with charging current through the pre-charge circuit being monitored via the sense resistor.

Abstract: A mobile terminal, and a device and method for charging the same are provided. A power input of a Voltage Bus (VBUS) of a Universal Serial Bus (USB) interface in the mobile terminal is connected to a switch capable of switching off and switching on the power input of the VBUS. During charging, the mobile terminal controls the switch to control an input current to generate a specific current waveform; and a charging device is internally provided with a circuit for detecting the specific current waveform. If the circuit detects the specific current waveform generated by the mobile terminal, an output voltage of the charging device is increased to charge the mobile terminal. The charging device increases the charging power of the USB interface.

Abstract: A Robot includes a main body, a Portable device and a supporting structure. The supporting structure is disposed at the main body for detachably connecting the Portable device. The Portable device reads digital media data from the main body or the Portable device itself, and plays the digital media data as video. After the Portable device is detached from the supporting structure, the main body and the Portable device operate independently.

Abstract: An emulation system for charging any arbitrary portable device through a communication port on the portable device. The system includes a receptacle port for communicating with the portable device and a profile database for storing multiple charging profiles. Each charging profile including a set of parameters and at least one exit condition. Further, an emulation module applies a first charging profile to the portable device and monitors the set of parameters associated with the charging profile to identify an associated exit condition. Upon a determination that the exit condition for the first charging profile is met, the emulation module applies a next charging profile to the portable device.

Abstract: An inrush current protection circuit for charging a load to a target voltage, in which the inrush current protection circuit includes a first charging circuit and a second charging circuit. The first charging circuit charges a load to a first stage voltage, and there is a voltage difference existing between the target voltage and the first stage voltage. The second charging circuit charges the load form the first stage voltage to the target voltage, in which the first charge circuit charges slower than the second charging circuit.

Abstract: A device for controlling communication with a vehicle, which is embedded inside an electric vehicle, collects battery information with respect to a battery of the electric vehicle, and receives power policy information from a power supply facility. The device for controlling communication decides available options for charging the battery of the electric vehicle on the basis of the battery information and the power policy information. The device for controlling communication controls the charging of the battery of the electric vehicle according to the available options.

Abstract: An efficient electronic cigarette charging device and a method for efficiently charging an electronic cigarette are provided, the device comprises an electronic cigarette case and a battery rod, the battery rod includes a charging management unit and an electronic cigarette battery unit, the electronic cigarette case includes an electronic cigarette case battery unit, a current sample unit, a micro-control unit and a adjustable voltage output unit, the current sample unit is configured to sample actual charging current the charging management unit to the electronic cigarette battery, and the micro-control unit is configured to compare the actual charging current with default battery constant charging current, and further control the adjustable voltage output unit to adjust the charging voltage output.