1031 results about "Battery charger" patented technology

A power tool battery charger includes a housing, at least one charging circuit coupled to the housing, and an electronic controller coupled to the housing. The electronic controller is configured to receive power tool device data from a power tool device, which may be the same or another power tool battery charger, a battery pack, and / or a power tool. The power tool device data indicate various data associated with the power tool device. Charger operation data are generated by the electronic controller based on the power tool device data, and can include a charging rate, charging target, and / or time indication for when to adjust the charging rate and / or charging target of the at least one charging circuit. A machine learning or artificial intelligence controller can also be used when generating the charger operation data. The at least one charging circuit is then operated based on the charger operation data. Alternatively the above functions can be provided by a battery pack for use with a power tool, the battery pack comprising a charging circuit.

A system includes: an AC-DC converter; and a DC-DC converter, the DC-DC converter including: a first high voltage buck-boost converter having a secondary side connectable to a first high voltage battery; a second high voltage buck-boost converter having a secondary side connectable to a second high voltage battery; a first low voltage buck-boost converter having a secondary side connectable to a first low voltage battery; a second low voltage buck-boost converter having a secondary side connectable to a second low voltage battery; and one or more transformers having a primary side connected to the AC-DC converter and a secondary side connected to each of a primary side of the first high voltage buck-boost converter, a primary side of the second high voltage buck-boost converter, a primary side of the first low voltage buck-boost converter, and a primary side of the second low voltage buck-boost converter.

A power tool battery charger includes a housing, at least one charging circuit coupled to the housing, and an electronic controller coupled to the housing. The electronic controller is configured to receive power tool device data from a power tool device, which may be the same or another power tool battery charger, a battery pack, and / or a power tool. The power tool device data indicate various data associated with the power tool device. Charger operation data are generated by the electronic controller based on the power tool device data, and can include a charging rate, charging target, and / or time indication for when to adjust the charging rate and / or charging target of the at least one charging circuit. A machine learning or artificial intelligence controller can also be used when generating the charger operation data. The at least one charging circuit is then operated based on the charger operation data.

A first zinc-air battery module and a second zinc-air battery module are formed by connecting two zinc-air batteries in series, the two zinc-air batteries are located on the same plane, the first zinc-air battery module and the second zinc-air battery module are arranged in a mirror symmetry mode, the positive electrode part is close to the mirror surface position, and the negative electrode part is close to the mirror surface position. The gas diffusion partition plate is arranged between the first zinc-air battery module and the second zinc-air battery module, the first zinc-air battery module and the second zinc-air battery module are connected in series and then are connected with the charging wire, the first zinc-air battery module and the second zinc-air battery module are arranged in the shell together, and the side surface of the shell has air permeability. According to the internal oxygen type zinc-air battery power bank with the built-in positive electrode and oxygen introduction from the side face, the zinc-air battery power bank can be attached to the back face of a mobile phone and then can be flatly placed on a table top in the using process, and meanwhile the zinc-air battery power bank has the advantages of being light, rapid in charging, low in price and convenient to carry.

A power tool battery charger includes a battery pack interface configured to receive a power tool battery pack and provide charging current to the battery pack and an electronic controller including a processor. The electronic controller can be configured to receive a set of data associated with the power tool battery pack and use of the power tool battery pack, determine a time for performing a maintenance procedure based on the set of data, determine one or more maintenance procedures to be performed on the power tool battery pack based on the set of data, and perform the one or more maintenance procedures on the power tool battery pack at the determined time. The maintenance procedures may include determining a maximum capacity of the battery pack, cell balancing of the battery pack, cooling the battery pack or heating the battery pack.

A stackable storage device, container or unit is provided. The storage device includes a storage compartment and an interface to recharge rechargeable batteries for power tools. The storage device is stackable within a modular storage system.

Systems, methods, and apparatus for a portable electric vehicle charger as shown and described. A portable electric vehicle (EV) battery charger can include an integrated rechargeable power bank and retractable cable having an interchangeable headpiece. A charging device for an electric vehicle includes a housing including at least one battery for supplying electric power to an electric vehicle. The charging device includes a first connection terminal connected to the at least one battery configured to supply power from an external power source to the at least one battery, and a second connection terminal connected to the battery to supply power stored in the at least one battery to the electric vehicle via the retractable charging cord.

A system includes: an alternating current (AC) to direct current (DC) converter (AC-DC converter), the AC-DC converter connectable to a line voltage; and a DC to DC converter (DC-DC converter) connected to the AC-DC converter, the DC-DC converter including: a high voltage buck-boost converter having a secondary side connectable to a high voltage battery; a low voltage buck-boost converter having a secondary side connectable to a low voltage battery; and one or more transformers having a primary side connected to the AC-DC converter, a secondary side connected to a primary side of the high voltage buck-boost converter, and a tertiary side connected to a primary side of the low voltage buck-boost converter.

The present disclosure provides a multifunctional battery charger including: an installation component. An interior of the installation component is provided with an external charging component and a charging component, the charging component is provided below the external charging component, a front of a housing is provided with a charging indicator light and a magnetic charging head, the magnetic charging head is connected to a magnetic adapter, one end of the magnetic adapter is inserted into a charging port of a battery. Some battery charging ports are provided at one side, some battery charging ports are provided on a head portion. Whether on the side or the head portion, they can be charged flexibly, solve a problem that most charging plugs of existing chargers are fixed.

A battery pack includes an attaching portion, a battery, a voltage detection circuit, a current acquisition circuit, a next current calculation circuit, a first charging stop circuit, and a second charging stop circuit. The attaching portion is electrically and mechanically connected to the battery charger. The first charging stop circuit stops charging of the battery in response to a first condition being satisfied. The second charging stop circuit stops the charging of the battery in response to a second condition different from the first condition being satisfied.

Data are optically transmitted from a power tool device, such as a power tool, a power tool battery charger, power tool pack adapter, and / or a battery pack. The data are stored in a memory of the power tool device and are encoded as optical signal data to provide an encoded representation of the stored data. An optical transmitter (e.g., a light emitting diode or a flat panel display) transmits the optical signal data, which are detected or otherwise received by an optical receiver device, which may include a camera or other photodetector. The optical signal data may include light signals generated by an LED, where the data are encoded using an encoding scheme that modulates one or more characteristics (e.g., amplitude, wavelength, color) of the generated light signals. The optical signal data may also include images (e.g., barcodes, QR codes) or characters.

A hybrid battery charger is disclosed that includes a linear charger circuit for providing vehicle starting current and battery charging and a high frequency battery charging circuit that provides battery charging current. The linear charger circuit and the high frequency battery charging circuits are selectively enabled to provide vehicle starting current, maximum charging current and optimum efficiency.

To suppress the reduction of utilization efficiency of a battery charger and the reduction of convenience of users.SOLUTION: A battery charger management system manages a battery charger for charging a storage battery mounted on an electric vehicle. In the case where a first user has made a reservation for using a battery charger, if a reservation electric vehicle of the first user has not reached the battery charger at a start time of a reserved time slot in which the reservation is made, the battery charger management system permits a second user, who is different from the first user and desires to use the battery charger, to use the battery charger in the reserved time slot until the reservation vehicle reaches the battery charger.SELECTED DRAWING: Figure 3

A battery charger and method is disclosed for detecting when a battery has a low state of health while simultaneously charging or maintaining the battery. A battery charger includes a processor; a non-transitory memory device; a power management device to receive an input power and to output a charging current; a pair of electrical conductors to electrically couple with a battery, and a display electrically coupled to the processor. The display being configured to indicate a bad battery indicator when the battery has a low state of health and whether the battery is good to start.

A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and / or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and / or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.

A charger for use with a battery pack having a latch. The charger comprises a charging bay defining a battery path and a lock including a member retractably extending into the charging bay transverse to the battery path. The member is positioned to overlap with the latch in the battery path regardless of a position of the latch lateral to the path direction.

A system comprises: a high voltage (HV) direct current (DC) to DC converter (HVDC) including: one or more transformers; a bridge driver connected to a primary side of the one or more transformers; and one or more bridge rectifiers connected to a secondary side of the one or more transformers, the one or more bridge rectifiers including one or more bridge rectifier switches; a low voltage (LV) DC to DC converter (LVDC) connected to the HVDC; and a boost converter including: an inductor connected to the one or more bridge rectifier switches; and one or more boost configuration switches operable, in combination with the one or more bridge rectifier switches, to configure the boost converter into each of a bypass configuration and a boost configuration, to regulate a voltage at the LVDC.

An electrical system includes a battery, temperature sensor, and battery charging station connectable to the battery and to an alternating current (AC) power supply. The charging station includes connected battery charging and heating circuits. The charging circuit includes a first plurality of power switches configured to rectify an AC input voltage from the power supply into a direct current (DC) voltage for charging the battery during a battery charging mode. The heating circuit includes a voltage bus, transformer, series switch, and a second plurality of power switches downstream of the transformer. The heating circuit generates an AC battery current from the DC voltage and injects the same into the battery during a battery heating mode. An electronic controller controls the power switches and the series switch to perform the charging and heating modes, doing so via a corresponding method.

Responsive to a voltage across a capacitor being greater than a voltage across a traction battery, a controller may open switches such that charge current from a DC charger flows through a diode to the traction battery without following through coils of an electric machine and without flowing through an inverter.

A device includes a battery current sense circuit configured to generate a battery current feedback voltage based on a current provided to a battery, a current regulation feedback loop configured to regulate the current provided to the battery based on the battery current feedback voltage and a configurable battery current reference voltage, and a precharge regulation feedback loop configured to regulate the current provided to the battery based on the battery current feedback voltage and a configurable precharge reference voltage. The device also includes a processor configured to set the battery current reference voltage to a first value and set the precharge current reference voltage to a second value. The first value is less than the second value during a transition state.

A battery charger is described that can support multiple battery applications with a single USB type-C port. An architecture can include a single charger transferring power to multiple battery stacks. The architecture can include a plurality of battery stacks each respectively housed in a distinct electronic device. The architecture is expandable from one charger with one USB type-C port coupled to a plurality of battery stacks, to a plurality of chargers with respective USB type-C ports all coupled to a plurality of battery stacks respectively housed in distinct electronic devices.

Methods and systems for charging a battery string while protecting against overcharging. One system includes: a pair of disconnect devices; a power distribution bus which is electrically connected to a battery string via the disconnect devices; a battery charger connected to supply battery power to the power distribution bus for charging the battery string; a module monitoring unit configured to sense individual battery cell voltages during charging; a first processor configured to activate one disconnect device to open when the sensed individual battery cell voltages indicate overcharging; a plurality of sensors connected to sense a full-string voltage measured across the battery string and first and second half-string voltages measured across first and second half-strings of the battery string; and a second processor connected to receive sensor data during charging. The second processor is configured to independently activate the second disconnect device to open when the sensor data indicates continued overcharging.

A battery includes at least one battery cell, a bidirectional port configured to provide current output to a load from the at least one battery cell and to receive a charge current from a battery charger to charge the at least one battery cell, a charge only port configured to receive charge current from the battery charger to charge the at least one battery cell, and a battery control system. The battery control system is configured to detect a connection status of the bidirectional port and / or the charge only port and, based on the connection status of each port, to control the battery between a power delivery mode where current can flow from the at least one battery cell out of the bidirectional port, a charge mode where current can from the bidirectional port or the charge only port to the at least one battery cell, and a disconnected mode where current cannot flow between the bidirectional port or the charge only port and the at least one battery cell.

A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and / or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and / or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.

A method performed by battery charger configured to charge a vehicle battery, the method comprising charging the vehicle battery until a first measured voltage over the battery exceeds a first voltage threshold, halting charging for a third time period, measuring a second voltage over the battery at the end of the third time period, determining a battery type using a differential voltage, by calculating a difference of the first voltage threshold and the second voltage, and a set of predetermined conditions, wherein the predetermined conditions comprise:battery⁢ type={Udiff>UPb→lead-acid⁢ battery⁢ typeUdiff<ULi→lithium⁢ battery⁢ typeUPb>Udiff<ULi→unknown⁢ battery⁢ type

A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and / or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and / or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.

A combined battery charger and engine jump start system configured to automatically determine in which operating mode to operate based on which output port a plug is attached to is disclosed. For instance, the system may include both a battery charger subsystem and an engine jump start subsystem, whereby each includes at least one output port. The system may include a port protector enabling only one of the battery charger subsystem and the engine jump start subsystem to receive a plug at a time.

A jobsite battery charger device includes a storage box defining a storage area. A lid is hingedly coupled to the storage box for opening or closing the storage area. A plurality of battery chargers is each attached to the lid and the plurality of rechargeable batteries can be simultaneously charged in the plurality of battery chargers. In this way the plurality of battery chargers reduces clutter and tripping hazards on the jobsite. A female electrical outlet is integrated into the lid to insertably receive a male plug of a power cord. A pair of locks is each movably coupled to the storage box and each of the locks engages the lid when the locks are positioned in a locked condition to locking the lid. Conversely, each of the locks disengages the lid when the locks are positioned in an unlocked condition for unlocking the lid.

The bicycle with security features includes a frame, a cable lock, a pedal lock, a motion alarm, a GPS tracker, a solar cell array, a smart phone interface, a battery, and a battery charger. The frame may house anti-theft and rider safety features. The cable lock and the pedal lock may prevent a bicycle from being moved by thieves. The motion alarm may produce an alert if the bicycle is disturbed. The GPS tracker may determine and report the location of the bicycle. The anti-theft and rider safety features may be controlled from a smart phone.

A battery charger capable of receiving AC power and delivering both AC and DC power to an electric power storage battery in accordance to different embodiments disclosed herein using a rectifier circuit supplying the DC load and absorbing power as a five-level active rectifier with low harmonics on the AC input. In one aspect, the battery charger may have a bidirectional rectifier / inverter converter providing power conversion between a DC source and AC enabling the user to not only charge an electrical vehicle (“EV”) but also convert the energy charged in the EV / battery or solar panel to AC for use.