Abstract: A charging control method and an electronic device implementing a charging control method includes: sending a first data packet, in which, the first data packet includes to-be-charged identification information and first characteristic information of the first electronic device; receiving a second data packet corresponding to the first data packet sent by the second electronic device, in which, the second data packet includes power supply identification information and charging strategy information; determining and performing a charging strategy according to the second data packet, in which, the charging strategy includes at least one of: the first electronic device receiving power supply from the second electronic device, and the first electronic device supplying power to the second electronic device.

Abstract: An example system includes an ear-wearable device comprising a housing and a rechargeable battery located within the housing; a supplemental power storage device configured to provide electrical energy; and circuitry configured to transfer, responsive to occurrence of an event, electrical energy from the supplemental power storage device to the rechargeable battery prior to an initial use of the ear-wearable device.

Abstract: Disclosed are a vehicle in which battery state information, battery history information, and specific state information are displayed on a display, and a control method of the vehicle. The vehicle includes a sensor unit to detect information of a battery, a display, and a controller which determines battery aging information based on an output voltage of the battery, determines battery charging information based on an output current of the battery, the output voltage of the battery, and a temperature of the battery, determines battery history information based on a voltage change of the battery, a current change of the battery, and a temperature change of the battery, and determines a battery state score and a battery history score, to determine whether to display the battery state information and the battery history information on the display.

Abstract: A battery pack for a power tool includes a housing, at least one battery, a connector, a first antenna, and a first communication circuit. The housing is detachably attachable to a power tool body. The housing includes a first wall, a second wall opposite to the first wall, and a third wall connecting a periphery of the first wall to a periphery of the second wall. The battery is in an internal space of the housing defined by the first wall, the second wall, and the third wall. The connector is nearer the first wall than the battery to feed power from the battery to the power tool body. The first communication circuit performs communication with the first antenna. The first antenna is at the first wall, at the third wall, or in an area in the internal space other than an area between the battery and the second wall.

Abstract: A vehicle electrical system includes a battery, a customer connection point, a switch electrically connected in series between the battery and the customer connection point, a computer communicatively coupled to the switch, and a transceiver communicatively coupled to the computer. The computer is programmed to instruct the switch to open in response to a state of charge of the battery decreasing below a charge threshold, receive an input selecting a time limit, and instruct the transceiver to transmit a message to a remote server upon determining that the state of charge of the battery will decrease below the charge threshold in less than the time limit from a current time.

Abstract: A system includes a power optimized energy source, an energy storage optimized source, and a network that combines a first current from the power optimized energy source and a second current from the energy storage optimized source in order to power a load at least during a high power demand event, including by connecting the power optimized energy source and the energy storage optimized source using a parallel connection.

Abstract: An information processing method includes: obtaining tractor information including a battery level of a tractor, trailer information including battery levels of trailers, and delivery information including identification information and destinations of goods to be delivered; generating a delivery plan using the tractor information, the trailer information, and the delivery information; and outputting the delivery plan generated. The delivery plan satisfies: (a) a first condition that, when moving the plurality of trailers, the tractor travels using at least one of a battery of a trailer being moved among the plurality of trailers or a battery of the tractor; and (b) a second condition that the battery level of the tractor is kept above a first lower limit, and the battery levels of the trailers are kept above a second lower limit.

Abstract: Embodiments of the application provide a method for charging battery a charging and discharging device, which can ensure the safety performance of the battery. The charging and discharging device includes a first DC/DC converter, a unidirectional AC/DC converter and a control unit, where the first DC/DC converter is a unidirectional DC/DC converter, and the control unit is configured to: receive a first charging current and control the unidirectional AC/DC converter and the first DC/DC converter to charge a battery through an AC power source based on the first charging current; receive a first discharging current, and control the battery to release power based on the first discharging current; and receive a second charging current, and control the unidirectional AC/DC converter and the first DC/DC converter to charge the battery through the AC power source based on the second charging current.

Abstract: A cooling structure is provided. The cooling structure includes a harness, a board electrically connected to the harness, a heat transfer member whose one end is connected between the harness and the board, the heat transfer member being a member to which heat of the harness is transmitted, and a heat sink connected to the other end of the heat transfer member and configured to radiate heat transmitted to the heat transfer member.

Abstract: A method of charging and distributing power between a plurality of rechargeable batteries includes providing a battery charging circuit configured to supply a charging current to a first rechargeable battery of the plurality of rechargeable batteries, and to provide the charging current to a second rechargeable battery of the plurality of rechargeable batteries, supplying the charging current to the first rechargeable battery of the plurality of rechargeable batteries, and switching the battery charging circuit to supply the charging current to the second rechargeable battery of the plurality of rechargeable batteries.

Abstract: A portable power bank including a rechargeable battery and/or a remote server may detect loss of capacity in the power bank battery. The power bank and/or remote server determines a nominal capacity of the power bank, and an actual capacity of the power bank, the actual capacity being less than the nominal capacity. The power bank and/or remote server compares the actual capacity to the nominal capacity to determine a health value of the power bank battery. When the power bank battery health value is at or below a threshold value, the power bank and/or remote server transmits an indication of the health value.

Abstract: Disclosed are a battery replacement device (1?) and a control method therefor. The battery replacement device (1?) is used for mounting a battery on an electric vehicle, and sending a security message to a battery lock (2?) to unlock the battery, so that the battery is electrically connected to the electric vehicle.

Abstract: The present application provides a timing apparatus mounted in an unmanned aerial vehicle (UAV). The timing apparatus includes: a timing unit configured to generate a current reference time and to send the current reference time to at least one system in the UAV; and a power supply unit connected to the timing unit and configured to supply power to the timing unit. According to the timing apparatus provided in the present application, the current reference time is generated through the timing unit in the technical apparatus, and is provided to the system in the UAV, thereby synchronizing a system time of the UAV with the current reference time.

Abstract: A system and methods including workstations for use in office spaces where the workstations include electrical couplers and power distribution systems for coupling portable and rechargeable batteries to the arrangements and delivering electrical charge to affordance devices where battery charging stations are located at different locations throughout a facility and alerts including nearest charging station with fully charged batteries are provided to employees at the stations when battery depletion thresholds are met or where batteries are automatically delivered to facility locations via automated robotic carts when needed.

Abstract: Provided is a storage for used battery units capable of economically storing a plurality of used battery units of various manufacturers while suppressing the deterioration of the used battery units during storage. The storage for used battery units includes: a selection unit that selects a discharge target battery unit and a charge target battery unit from among the plurality of used battery units on the basis of the current values and the voltage values of the plurality of used battery units in storage and the predetermined SOC range of each of the plurality of used battery units; and a charge/discharge control unit which causes a discharge target battery unit to be discharged and charges the discharged power into a charge target battery unit such that the SOCs of the discharge target battery unit and the charge target battery unit reach a predetermined SOC range.

Abstract: An apparatus and a method for controlling a fuel cell system includes a fuel cell system including a fuel cell stack, a balance of plant for operating the fuel cell stack, and a fuel cell controller configured for controlling the BOP, a first power converter located between the fuel cell stack and a first voltage battery and including a bidirectional low voltage DC/DC converter, a second power located between the fuel cell stack and a second voltage battery to include a single bidirectional DC/DC converter module, and a controller configured for operating the first power converter or the single bidirectional DC/DC converter module of the second power converter, when the fuel cell system is started or stopped, and controlling the first power converter or the second power converter to supply driving power to the BOP using electrical energy of the first voltage battery or the second voltage battery.

Abstract: A jump starter device with an air pump capability can include a jump starter section for jump start a vehicle, and an air pump section for inflating a tire of the vehicle. The jump starter device can include a controller configured to process the load data to determine the status of the load, such as the conditions of the vehicle connected to the jump starter. The controller can also be configured to operate the air pump based on the pressure of the tire.

Abstract: A jump starter device with a diagnostic function can include a jump starter section for jump start a vehicle, and a diagnostic section for diagnose a condition of the vehicle. The diagnostic section can include an analysis of the measured battery voltage. The diagnostic section can include a circuit to determine an internal resistance of the battery. The diagnostic section can include a circuit to determine a current of the vehicle.

Abstract: The present invention provides an electrolytic solution capable of providing an electrochemical device, such as a lithium ion secondary battery, or a module that has excellent high-temperature storage performance. The electrolytic solution contains: a homocyclic compound other than aromatic compounds; and a cyclic dicarbonyl compound. The homocyclic compound contains at least one group selected from the group consisting of a nitrile group and an isocyanate group.

Abstract: Disclosed herein is a system comprising: a power source apparatus; a first device and a second device associated with a user; and a server computer. The second device couples to the power source apparatus. The power source provides status information to the first device. The first device sends a communication to the power source apparatus via an application operating on the first device, wherein the communication provides a charging instruction to the power source device and the instruction is based on the status information received from the power source. The power source apparatus charges the second device based on the charging instruction received at the power source apparatus from the first device. The server communicates with the first device to maintain a database relating to at least one of the power source apparatus and the second device and comprising status information.

Abstract: According to one embodiment, a determination device relating to a plurality of batteries connected in series is provided. The determination device includes a processor. The processor determines a deterioration variance among the batteries, based on first voltage data indicative of a maximum voltage which is greatest among voltages of the batteries in each of measurements in a plurality of periods in charge or discharge of the batteries, and second voltage data indicative of a minimum voltage which is least among the voltages of the batteries in each of the measurements in the periods.

Abstract: In a DC/DC converter, in first power transmission in which power is transmitted from a first DC power source to a second DC power source, on/off drive of a positive electrode-side switching element and a negative electrode-side switching element is stopped in a third bridge circuit on the power-receiving side. When a power transmission amount by the first power transmission is smaller than a first reference value, a control circuit lowers the switching frequency of the switching elements of a first bridge circuit and a second bridge circuit on the power-transmitting side and a fourth bridge circuit on the power-receiving side, compared with when the power transmission amount is equal to or greater than the first reference value.

Abstract: A lift device includes a base assembly, a turntable assembly, and a controller. The base assembly includes multiple base assembly batteries. The turntable assembly is rotatably coupled with the base assembly through a slip ring transmission. The turntable assembly includes multiple turntable assembly batteries. The controller is configured to operate the base assembly batteries to discharge electrical energy to the turntable batteries through the slip ring transmission. The slip ring transmission is configured to both (1) drive the turntable assembly to rotate relative to the base assembly and (2) to electrically and communicably couple electrical components of the base assembly with electrical components of the turntable assembly.

Abstract: A power supply unit provides power to a common output node. The power supply unit includes a first power conversion block electrically coupled to convert the electrical power input to a first output power supply share supplied to the common output node. The first power conversion block is configured to decrease output voltage from the first power conversion block based on output current from the first power conversion block reaching a rated current level. A second power conversion block is electrically coupled to convert the electrical power input to a second output power supply share supplied to the common output node. The second power conversion block is configured with a predesignated open circuit voltage setting and is further configured to contribute the second output power supply share to the common output node based on the output voltage at the common output node decreasing to the predesignated electrical voltage setting.

Abstract: A hybrid power module is provided. The power module is associated with a truck having a lift gate. The power module includes a super capacitor comprising a bank of capacitors, with the super capacitor being in electrical communication with an alternator of the truck. The power module also includes a battery, a switch, a DC/DC boost converter, and electrical wiring. The electrical wiring connects the capacitor bank and first battery to the switch, and further connects the switch to a motor for the lift gate. The super capacitor and the first battery are positioned in parallel, with the super capacitor and the first battery residing proximate the lift gate. The super capacitor contains enough energy to power the electric motor for the lift gate through at least two operating cycles without the battery, protecting the lift gate if the battery goes weak.

Abstract: The disclosure is directed to methods and systems for a battery configured to store a first energy in a chemical form of the battery at a battery voltage level; an electrical load configured to draw an electrical current from the battery in response to an energy requirement of the electrical load, wherein the battery voltage level is configured to decrease in response to the electrical current being drawn from the battery by the electrical load; and a capacitor module in electrical communication with the battery and configured to store a second energy as an electric field of the capacitor module at a capacitor voltage level.

Abstract: A hybrid energy storage module system for supplying electric power required to drive a load includes: an energy storage device including a second battery module, a first battery module having a higher discharge rate than the second battery module and a switching network configured to connect the first battery module to the second battery module in parallel or disconnect the first battery module from the second battery module, the energy storage device connected to the load and configured to supply electric power to the load; a first detection unit configured to measure data representing a state of the first battery module; a second detection unit configured to measure data representing a state of the second battery module; and a controller configured to receive data from the first detection unit and the second detection unit, generate a control signal for controlling the switching network, and transmit the control signal to the switching network.

Abstract: A rechargeable battery jump starting device with a leapfrog charging system. The leapfrog charging system, for example, can sequentially charge multiple batteries of the rechargeable battery jump starting device.

Abstract: Systems and methods for temperature control for an energy source of a material handling vehicle. The system includes a battery management system in communication with the energy source that can also be in communication with a charger. The system further includes a counterweight case that supports the energy source, and a plurality of resistive heating elements positioned along one or more surfaces of the counterweight case.

Abstract: A system to power pressure pumps and auxiliary equipment for oil and gas operations. The system includes a mobile system controller and energy storage unit electrically connected to pressure pumping and auxiliary loads. The system can also include a power generation source. One application of the technology is to pump fluids to an oil and gas end user which can be an oil or gas well, pipeline or plant. The system can be modularized and can be fully mobile and transportable by a variety of means.

Abstract: A hybrid series battery module includes a first-type battery cell including a first negative electrode plate and a second-type battery cell including a second negative electrode plate. Energy density of the first-type battery cell is less than energy density of the second-type battery cell. A first interlayer spacing of a negative electrode active material of the first negative electrode plate is greater than a second interlayer spacing of a negative electrode active material of the second negative electrode plate. In a state of charge of 0%, a ratio of the first interlayer spacing to the second interlayer spacing falls within a range of greater than or equal to 1.005 and less than or equal to 1.600.

Abstract: A mobile device electrical outlet, including a main body, a plurality of sockets removably disposed within at least a portion of an interior of the main body to provide electrical power in response to receiving a connection from an electrical plug, and a plurality of charging cords disposed within at least a portion of the interior of the main body to provide electrical power in response to receiving a connection from a mobile device.

Abstract: A power supply charging system comprising: a) a first power cell having electrical energy stored therein; b) a second power cell having electrical energy stored therein, wherein the first power cell and the second power cell are adapted to not be in a discharging mode or a charging mode simultaneously; c) a third power cell in electrical communication with the first power cell and the second power cell, wherein the third power cell is adapted to operably supply power to the first power cell when in the charging mode or the second power cell when in the charging mode; and d) a control system which is adapted to alternate the power being supplied from the third power cell to the first power cell while in the charging mode and the second power cell which in the charging mode based on an occurrence of a pre-determined condition.

Abstract: A method for increasing safety in the surroundings of an electric vehicle having a fuel cell system and batteries, wherein the vehicle is configured for charging the batteries by power from the fuel cell system and e.g. produces CO2 during this operation, even when the vehicle is turned-off and in a parked situation, wherein the method includes the steps of providing a sensor system having a gas intake and configured for warning against elevated CO2 levels in the surroundings of the vehicle, mounting the sensor system on the vehicle with the gas intake outside the vehicle's cabin, providing an alarm when the sensor system evaluates that the CO2 levels in the surroundings of the vehicle are elevated and surpass a predetermined threshold level.

Abstract: A charging dock applied in an intelligence loudspeaker box, includes a shell, a battery module and a charging cable. The intelligence loudspeaker box has a charging hole. A top surface of the shell is recessed downward to form a receiving space equipped with a pogo pin connector. The intelligence loudspeaker box is received in the receiving groove. One end of the pogo pin connector is connected to the intelligence loudspeaker box. The battery module is disposed in the shell. The battery module includes a circuit board. A top surface of the circuit board is equipped with a docking element. The docking element is connected to the other end of the pogo pin connector. One end of the charging cable is connected to the charging hole, and the other end of the charging cable is connected to a power unit.

Abstract: A portable power bank for charging a rechargeable device is described, and a dynamic charging efficiency is monitored while the power bank is charging the rechargeable device. Particularly, instantaneous power output of a battery of the power bank is compared to power received by a battery of the rechargeable device to determine efficiency. The charging of the rechargeable device by the power bank is interrupted and/or resumed based upon the charging efficiency at any given time, thereby preventing inefficient use of the power bank.

Abstract: Multi-cell battery management devices, systems, and methods are disclosed herein. A multi-cell battery management device comprises a battery pack including a power output terminal and a plurality of battery cells each having a positive and a negative terminal and connected in series fashion. Each of the plurality of battery cells includes: i) a cell control processor to monitor cell voltage, cell current, cell temperature, and cell fuse status; ii) a programmable shunt controlled by the cell control processor that varies the internal resistance of each of the cells; and iii) a data communications circuit connected to the cell control processor and to the positive and negative terminals of each cell, the communications circuit enabling data communication over the battery cell positive and negative output terminals, and wherein the cell control processor responds to commands received via the data communications circuit to vary the operating state of the programmable shunt.

Abstract: A work vehicle 1 includes a display unit 51 of a rechargeable work vehicle 1, and a display unit controller 53 configured to reduce a brightness of the display unit 51 during charge of the work vehicle 1, compared with that during operation of the work vehicle 1.

Abstract: An UPS device for electric power distribution installations, the UPS device including: first electric terminals for electrical connection with an electric load to be fed by the UPS device; second electric terminals for electrical connection with a power supply source adapted to feed the UPS device; third electric terminals for electrical connection with a back-up unit adapted to feed the UPS device, when the power supply source is not available, the back-up unit having one or more replaceable batteries; a power conversion stage electrically connectable with the first, second and third electric terminals, the power conversion stage being adapted to receive a power supply voltage from the power supply source or a back-up voltage from the back-up unit, when the power supply source is not available, and being adapted to provide an adjustable load voltage to the electric load; and an interface stage to electrically couple or decouple the back-up unit with or from the power conversion stage.

Abstract: A hearing aid system configured to compensate for a hearing impairment of a use comprises A) a wearable device adapted for being worn by the user and comprising a1) an input stage comprising at least one input transducer for converting sound around the user to at least one electric input signal representing said sound, and a2) an input stage for providing stimuli representative of a processed version of said least one electric input signal to said user, said stimuli being perceivable by said user as sound; and B) a non-wearable device comprising b1) a processor, and b2) a power supply interface for providing power to the processor. The wearable device and the non-wearable device comprise respective transceiver circuitry for establishing a low latency wireless audio communication link between them.

Abstract: A device to be charged, a charging method, and a charging control circuit are provided. The device to be charged includes multiple cells coupled in series, a conversion circuit, a first charging channel, a second charging channel, and a communication control circuit. The conversion circuit is configured to receive input voltage from a power supply device, convert the input voltage into charging voltage for the multiple cells and into power supply voltage for a system of the device to be charged, charge the multiple cells according to the charging voltage, and supply power to the system of the device to be charged according to the power supply voltage.

Abstract: It is an object of the invention to provide a method for efficiently charging a secondary battery. The method of the disclosure is a method for charging a secondary battery that includes step (A) for measuring an internal resistance of the secondary battery, and step (B) for increasing or decreasing the maximum charging voltage of the secondary battery in accordance with increase or decrease of the measured internal resistance.

Abstract: Methods and systems for determining an alternator condition in a motor vehicle are provided. The method includes receiving a maximum cranking voltage and a maximum cranking voltage time stamp from the motor vehicle over an asset interface of the telematics device; receiving a maximum device voltage and a maximum device voltage time stamp from the motor vehicle over the asset interface, and determining a potential alternator undercharging condition if a duration between the maximum cranking voltage time stamp and the maximum device voltage time stamp is greater than an undercharging indicator duration threshold. Advantageously, an alternator may be repaired or replaced before it fails thus averting having the motor vehicles inoperable.

Abstract: A mobile measuring device (100) includes a power supply module (110) that includes a rechargeable battery (120), a primary battery (130) and an electronic control unit (140). The rechargeable battery is permanently installed in the mobile measuring device and can be charged via a charging device (122) of the mobile measuring device. The primary battery is also permanently installed in the mobile measuring device. The electronic control unit is configured to guarantee a power supply of the mobile measuring device via the rechargeable battery as long as an electrical minimum power supply is provided by the rechargeable battery and to change to a temporary power supply by the primary battery if the minimum supply power is undershot.

Abstract: A jump starter device can include sensors to measure data of a vehicle coupled to the jump starter device. The jump starter device can include a controller configured to process the load data to determine the status of the load, such as the conditions of the vehicle connected to the jump starter.

Abstract: In an example, a smart battery backup system is disclosed. The system is configured to be installed on or within a vehicle and connected to a main battery of the vehicle. The system includes a housing, a lithium-ion battery disposed at least partially within the housing, and a controller disposed at least partially within the housing and including a set of momentary switches. The controller is configured to jump start the main battery using the lithium-ion battery. The controller is also configured to maintain the lithium-ion battery such that, based on a charge state of the lithium-ion battery and a charge state of the main battery, the lithium-ion battery is charged using the main battery.

Abstract: The present utility model belongs to that technical field of data transmission and connection, in particular to a device for improving a charging transmission power for external equipment based on the USB port of a computer. The device of the present utility model specifically comprises a computer connecting terminal, an external equipment connecting terminal and a control circuit arranged between the computer connecting terminal and the external equipment connecting terminal for controlling the charging transmission power; wherein the control circuit is provided with a first main control chip, and an LX end of the first main control chip is connected with a fifth inductor; the other end of the fifth inductor is provided with a 102nd capacitor and an 18th capacitor; the other ends of the 102nd capacitor and the 18th capacitor are respectively grounded.

Abstract: The present disclosure discloses an on-board starting power supply detachably installed in a vehicle. The on-board starting power supply includes: an energy storage module configured to store electrical energy; a first output interface electrically coupled to the energy storage module and a starting device of the vehicle; and a plurality of second output interfaces respectively electrically coupled to the energy storage module and a variety of electrical equipments. The energy storage module is configured to output an instantaneous large current for the starting device through the first output interface to start the starting device and output a corresponding working voltage to a corresponding electrical equipment through the plurality of second output interfaces. The present disclosure can not only start the vehicle, but also includes a plurality of second output interfaces that can be coupled to a variety of electrical equipments, thereby improving a versatility of the on-board starting power supply.

Abstract: Various embodiments charges battery for a renewable energy source. In one embodiment, a forecast having a plurality of predetermined time intervals with a predicted energy input level of the renewable energy source corresponding to each predetermined time interval is received. A setpoint is calculated for each predetermined time interval for an amount of power available to charge the battery based on the forecast. The battery is charged during a predetermined time interval according to its corresponding setpoint. An actual energy input level of the renewable energy source is monitored and compared to the predicted energy input level for its corresponding time interval to determine a lesser energy input level. The lesser energy input level is set as the setpoint for the corresponding predetermined time interval.

Abstract: A high voltage battery system can receive power from an AC grid and deliver power to a low voltage battery system. Embodiments can include an active filter and high voltage to low voltage (HVLV) DCDC converter to reduce harmonics associated with the charger reaching the low voltage battery system and further to stabilize the voltage presented to the HVLV DCDC converter to improve its operating efficiency.