Abstract: A jump starting apparatus for boosting or charging a depleted or discharged battery having a positive polarity battery terminal and a negative polarity battery terminal includes a rechargeable battery, an output port, a battery cable assembly, and a safety control system or circuit.

Abstract: An electronic device may comprise: a first battery having a first capacity; a second battery having a second capacity; a power management module which individually controls a charging state of the first battery and the second battery; a memory; and a processor operably coupled to the power management module, wherein the processor calculates a first cycle relating to the charging state of the first battery and a second cycle relating to the charging state of the second battery, and discharges one of the first battery and the second battery before the other battery on the basis of a reference use voltage determined based on the first cycle or the second cycle.

Abstract: A battery system that avoids an over discharge with a simple sensor element is provided. The battery system comprises: a battery pack including a plurality of battery cells connected in series, a monitoring unit that monitors a condition of the battery pack, and a control unit that controls a discharge of the battery pack. The control unit calculates capacity condition A of the battery pack at a first discharge cutoff voltage based on the total voltage and the total current, estimates capacity condition B of the battery pack at the first discharge cutoff voltage based on the total current and the temperature, determines an occurrence of an over discharge based on the capacity condition A and the capacity condition B, changes the first discharge cutoff voltage to a second discharge cutoff voltage that is higher than the first discharge cutoff voltage, when the occurrence of the over discharge is determined.

Abstract: Battery cell monitoring systems comprising a flexible substrate and components integrated onto the flexible substrate, and methods of operating the same are disclosed. The components comprise a computing device and at least one sensor, where the at least one sensor is configured to generate sensor signals indicative of a physical state of the battery cell. The computing device is configured to hold characteristic data values which have been generated based on prior sensor signals. The computing device is configured to receive the sensor signals from the at least one sensor and to generate battery cell status data in dependence on the sensor signals and the characteristic data values.

Abstract: A multi-cell battery powered device can include at least one power input, a first power converter coupled between the power input and a battery bus, a second power converter coupled between the battery bus and a system load of the electronic device, a plurality of cells, and a plurality of primary battery protection switches. The primary battery protection switches can be selectively operable to couple the plurality of cells in: (1) a parallel configuration in which the cells are coupled to the battery bus so as to charge or discharge in parallel, (2) a series configuration in which the cells are coupled to the battery bus so as to charge or discharge in series, and (3) an isolated configuration in which at least one of the plurality of cells is coupled to the battery bus and at least one of the plurality of cells is disconnected from the battery bus.

Abstract: A battery pack includes a housing defining an upper portion and a lower portion, a first protector portion coupled to a first corner of the housing, a second protector portion coupled to a second corner of the housing, a plurality of battery cells disposed within the housing, and a mating feature including a plurality of ports electrically connected to the plurality of battery cells and structured to supply power from the plurality of battery cells through the ports.

Abstract: Discussed is a method for managing a battery that includes a plurality of battery cells, the method including a reference charging power limit setting operation of setting a referential predetermined charging power limit, and a real-time charging power limit setting operation of calculating a real-time charging power limit in real-time according to a real-time voltage of the battery and setting a real-time charging power limit of the battery. The real-time voltage of the battery is determined based on a voltage of one battery cell among the plurality of battery cells.

Abstract: A charge control system includes a charging apparatus including a first processor configured to cause the charging apparatus to store electric power to be supplied to a preset region, and a charge control apparatus including a second processor configured to calculate a charge amount of the charging apparatus and perform charging control for the charging apparatus based on the calculated charge amount, wherein when calculating the charge amount, the second processor calculates a charge amount to be larger in a case where the engine driving prohibited zone is set in the region than a charge amount in a case where the engine driving prohibited zone is not set in the region.

Abstract: A power tool system includes a removable battery pack a first tool and a second tool. The first tool includes a first base housing that is selectively engageable with the removable battery pack and a first tool portion connected to the first base housing by a first connecting section. The second tool includes a second base housing that is selectively engageable with the removable battery pack and a second tool portion connected to the second base housing by a second connecting section. The second tool base housing houses a second controller that provides a proportional power delivery system for the second tool and second tool base housing also includes a second actuator for providing user control of the second tool.

Abstract: An electronic device to which a wireless charging system is applied is provided. The electronic device includes a battery, a charging circuit, and a circuit board configured to be electrically connected to the charging circuit and include a first portion and a second portion disposed adjacent to the first portion, wherein a first coil, a second coil, and a resonance coil are disposed in the first portion of the circuit board, the first coil being disposed outside the second coil, and the resonance coil being disposed inside the second coil, and wherein a third coil and a resonance capacitor are disposed in the second portion of the circuit board, the resonance capacitor being disposed inside the third coil, and the resonance coil and the resonance capacitor being electrically connected to each other to generate a designated resonance.

Abstract: The utility model refers to an automobile start-up adapter, wherein it comprises a shell and a circuit board provided inside the shell. The shell is provided with an input terminal for electrically connecting with an output terminal of a lithium battery of a power tool and an output terminal for electrically connecting with a clamp. The input terminal and the output terminal are communicated through a circuit board, and a voltage identification circuit and a voltage conversion circuit are provided on the circuit board. The automobile start-up adapter of the utility model can use the lithium battery of the hand-held electric tool to supply power for the emergency start-up of the automobile.

Abstract: A charge control system includes a lithium battery configured to provide lithium battery power to a set of electrical loads, a user signaling device, and control circuitry coupled with the lithium battery and the user signaling device. The control circuitry is operative to: (A) detect availability of charge from an external charger, (B) in response to detection of the availability of charge from the external charger and prior to controlling the external charger to adjust the amount of charge stored by the lithium battery, perform a set of pre-charging assessment operations, and (C) based on the set of pre-charging assessment operations, provide a user notification via the user signaling device, the user notification indicating whether the lithium battery is properly setup for charge adjustment. When the user signaling device generates the user notification, the user is informed that the utility vehicle is properly connected to the external charger.

Abstract: Systems and methods for wireless power transmission based on object identification are provided. A radio frequency wireless power transmitter is in communication with a video camera for capturing image data (e.g., a visual pattern) of at least a portion of a transmission field of the radio frequency wireless power transmitter. A processor of the radio frequency wireless power transmitter is configured to identify an object when the visual pattern matches a pre-stored visual pattern representing the object, and control transmission of one or more radio frequency power transmission waves to a receiving electronic device based on a location of the identified object, wherein the receiving electronic device uses the one or more radio frequency power transmission waves to power or to charge the receiving electronic device.

Abstract: A charging system has a charging device and a hearing device. The hearing device has a front portion in which a secondary charging winding is arranged. The charging device has a charging housing with a receiving space that extends in a longitudinal direction and that has an opening. The charging device also has a primary charging winding formed circumferentially about an inner space. The hearing device is insertable with its front portion into the inner space. A secondary charging winding is wound around a component of the hearing device, such as a receiver. To ensure efficient charging, at least one magnetic layer, namely a primary magnetic layer, is arranged around the primary charging winding and/or a secondary magnetic layer is arranged between the component and the secondary charging winding.

Abstract: Provided are a battery holder, a power transfer device, an electric vehicle and an installation method for electric vehicle. The battery holder includes a fixing bracket, the fixing bracket has an upper-position accommodation cavity, an upper-position sensor is arranged in the upper-position accommodation cavity, the upper-position sensor is used for detecting the supporting portion of the battery pack, so as to determine whether the battery pack has been installed in place relative to the battery holder in the height direction of the electric vehicle; and/or, the fixing bracket has a front-position accommodation cavity, a front-position sensor is arranged in the front-position accommodation cavity, the front-position sensor is used to detect the supporting portion of the battery pack, so as to determine whether the battery pack is installed in place relative to the battery holder in the length direction of the electric vehicle.

Abstract: A portable electronic device charger system includes (I) a portable electronic device charger assembly including (A) at least one device bay including (i) a floor including an electrical interface; (ii) a first wall extending perpendicularly from the floor; (II) a portable electronic device case assembly; and (III) an electrical power coupler removably electrically couplable to the interface, and removably couplable to the first wall, and removably couplable to the portable electronic device case assembly. Other aspects are described in the claims, drawings, and text forming a part of the present disclosure.

Abstract: Provided are a battery holder, a power transfer device, an electric vehicle and an installation method for electric vehicle. The battery holder is mounted on the body of the electric vehicle to fix the battery pack, the battery holder includes a plurality of supporting devices, the plurality of supporting devices are distributed on both sides of the fixing bracket in the length direction of the fixing bracket; in the length direction of the fixing bracket, both sides of the fixing bracket are both arranged with the lock mechanism, the lock mechanism is a primary lock mechanism and a secondary lock mechanism; the secondary lock mechanism is used to provide a secondary locking function or a locking protection function for the battery pack, when the primary lock mechanism fails, it is used to prevent the battery pack from falling.

Abstract: A battery indicator estimates a remaining battery capacity when a controller instructs a driving power source to start the power supply based on a battery voltage detected at a timing when the controller instructs the driving power source to start the power supply. The controller instructs the driving power source to stop the power supply after the discharge of a secondary battery by a charge-discharge circuit is ended and at a timing when a battery voltage being measured by a voltage measurer is stabilized.

Abstract: A battery system for an electric vehicle includes a fixed cover, and a removable cover arranged over battery modules and a high voltage distribution system. The battery system includes a busbar arranged at least partially over a region of the battery modules and under the removable cover. The busbar includes a fixed section and a movable section, or a hinge, such that the busbar can be repositioned out of the way. The support tray includes a link between the fixed and movable sections. Floating fasteners, allowing at least one of radial float and axial float are used to secure the link to the support tray, thereby avoiding safety hazards and reducing the potential for short circuits in high voltage distribution systems or conductors thereof. The floating fasteners include a head, a neck, an engagement section, and a washer, which prevent removal from a component once installed.

Abstract: An apparatus for performing the following: the apparatus maintains, in a database, one or more trained machine learning algorithms for predicting an optimal charging strategy for a time interval based on one or more values of a set of prediction parameters relating to a point of common coupling and one or more electrical load devices and on a state of charge level of the battery energy storage system. The apparatus obtains one or more recent values of the set of prediction parameters relating to one or more previous time intervals and predicts, using the one or more trained machine learning algorithm, an optimal charging strategy for a next time interval based on the one or more recent values and a current state of charge level of the battery energy storage system. Finally, the apparatus operates the battery energy storage system using the predicted optimal charging strategy.