Abstract: A power adapter assembly and an electrical system. The power adapter assembly is operable to supply power to an electrical device. The power adapter assembly includes a power box including a housing, an electrical circuit supported by the housing, the electrical circuit being operable to receive as input AC power and to output DC power, an adapter controller operable to control the adapter assembly; and an adapter electrically connected to the power box, the adapter including an adapter engagement portion connectable to a device engagement portion to connect the adapter to the electrical device, DC power being output from the electrical circuit through the adapter to the electrical device to power the load, when the adapter engagement portion is connected to the device engagement portion, a communication interface between the adapter assembly and the electrical device being active even when power is not being output to power the load.

Abstract: The present disclosure relates to a free voltage adapter for charging, in which when the free voltage adapter is connected to a charging object for charging, a voltage required for charging the charging object is first predicted in advance, and after that, a voltage corresponding to the charging voltage of the charging object is supplied, thus with a single adapter, a plurality of different types of charging objects with different charging voltages can be charged simultaneously.

Abstract: A charging cable configured to obtain power from different power supply devices for delivery to a chargeable electronic device, and to techniques and equipment to enable the charging cable to identify current limitation of the connected power supply device and to enforce that current limit via the charging cable. The charging cable has a logic circuit coupled to signal pins to detect a signal indicating a power limitation of the power supply device. The logic circuit controls a current limiter connected in the power delivery bus of the charging cable to limit current flowing through the charging cable.

Abstract: The present technology relates to systems and methods for rapidly charging a battery of a device when the device is attached to an AC adapter. Some embodiments of the present disclosure describe an activation circuit in an AC adaptor and a detection circuit in a downstream device that cooperatively ensure optimal power delivery. Some embodiments of the present disclosure describe a device with a system load, a battery, and a control circuit, wherein the control circuit is configured to provide the battery with a charging current of Ibat=Imax?Isys when the device is in a USB compliant mode of operation and a charging current of Ibat=Imax when the device is connected to an AC adapter.

Abstract: A system is described that turns off a high power, power supply when a device no longer needs high power. A low power, power supply or a rechargeable battery provides power to determine when the device again needs high power. The low power supply consumes a minimum possible power when the device does not need high power and the power rechargeable battery is not charged. That is, the high power and low power, power supplies are turned on or off based on the real time power consumption need of the device and the charged state of the battery. The power need of the device is monitored by a current shunt monitoring circuit and a control signal monitoring circuit.

Abstract: Provided is an adapter. The adapter includes a housing component, an adapter assembly, a first connector, a second connector, and a charging cable assembly. The housing component is provided with an accommodation space. The adapter assembly is disposed in the accommodation space. The first connector is electrically connected to the adapter assembly and is able to be accommodated in the accommodation space. The charging cable assembly includes a charging cable body and an auto-retractable cable box disposed in the accommodation space. A first end of the charging cable body is secured to the auto-retractable cable box. A second end of the charging cable body is able to be accommodated in the auto-retractable cable box or is extendable out of the auto-retractable cable box. The auto-retractable cable box is electrically connected to the adapter assembly. The second connector is connected to the second end of the charging cable body.

Abstract: A lamp power supply includes: a housing, a main circuit board, and an end cover, where the circuit board is disposed in the housing, the end cover is connected to an open end of the housing, the end cover is provided with a through hole running through a surface of the end cover, a rubber stopper is disposed in the through hole, the rubber stopper includes an elastic pressing portion, an end of which protrudes upward from the surface of the end cover and an other end of which is located in the through hole, and the elastic pressing portion is connected with a conductive portion. The sub-circuit board is electrically connected to the conductive portion of the elastic pressing portion.

Abstract: An oral care implement sanitization system that includes an oral care implement and a case for storing the oral care implement and activating a sanitization or sterilization procedure. The oral care implement may include tooth cleaning elements, a light source, and a first electrical coupling element operably coupled to the light source. The case may include a housing having a cavity for holding the oral care implement, a power source, and a second electrical coupling element operably coupled to the power source. When the oral care implement is positioned within the cavity of the housing of the case, the first and second electrical coupling elements are operably coupled together. Operable coupling of the first and second electrical coupling elements initiates, either immediately or upon the occurrence of some additional action, activation of the light source for sanitizing or sterilizing the tooth cleaning elements.

Abstract: A charging device for providing power from a power supply to an electronic device is provided. The charging device includes a detachable first electrical connector connected to a wired or wireless power output port, and a detachable second electrical connector attached to the power supply. The power output port is configured to provide power to the electronic device when the first electrical connector is connected to the power supply.

Abstract: A mobile device includes a driving circuit, a first accommodation section configured to accommodate a first battery which supplies electric power to the driving circuit and which is an all-solid-state battery having a solid electrolyte, a control circuit configured to control the driving circuit such that driving is performed in one of a plurality of modes including a first mode and a second mode in which power consumption is smaller than the first mode, and a determination circuit configured to determine whether electric power is supplied from an external power source to the first battery. When the determination circuit determines that the electric power is supplied from the external power source to the first battery, the control circuit performs switching from the second mode to the first mode.

Abstract: A charging device for a physiological signal transmitter used to receive a physiological signal from the subcutaneous tissue of a living body and having a first electrical connecting port is disclosed. The charging device includes a transmitter placing seat and a charging module. The transmitter placing seat includes a bearing surface for placing the physiological signal transmitter and an opening configured to align with the first electrical connection port of the physiological signal transmitter. The charging module includes a second electrical connecting port, a third electrical connecting port, a circuit assembly and a control module. The second electrical connecting port is disposed in the opening, and driven to move between a first position and a second position. The third electrical connecting port connects to a power source.

Abstract: A portable power charger is provided for charging an electronic device from a rechargeable battery internally disposed within the charger. An attachment system is also provided for connecting the electronic device to the portable charger and maintaining the connection during charging, whether by wireless means or by direct charging connection. The attachment system can also ensure that respective wireless transmission components in the portable charger and the electronic device, where available, are properly aligned for optimal and efficient wireless charging. The alignment system can comprise an arrangement of magnets on each of the portable charger and the electronic device, whereby said magnets are geometrically arrangement is spaced apart relationship to one another. The alignment system may alternatively comprise a sticky pads, suction cups or hook-and-loop fasteners to physical attach the electronic device to the portable charger.

Abstract: A battery box includes a box body composed of a housing and a lid. The box body has two opposite lateral sides provided respectively with a joining mechanism and a locking mechanism. A power source assembly is received in the box body and includes a circuit board, a power supply unit, and an external-connection cable. The joining mechanism allows the lid to be connected to the housing in a detachable and rotatable manner. The battery box can be switched to an operation mode that allows connection to an external power source device so as to adapt to modern application environments and provide more, and more convenient, operation modes.

Abstract: A device for charging a portable electronic device includes a housing having a first surface configured to adhere to the portable electronic device, and a cable having an end that is configured to connect to a power source. The cable may have another end that is connected to an inductive charging component and/or another connector of a cable that connects to a charging port of the portable electronic device. A battery of the portable electronic device is capable of being charged when either the connector of the cable is connected to the charging port of the portable electronic device or the other end of the cable is connected to the power source or via the inductive charging component. The housing defines a cavity configured to store the cable within the cavity when the cable is not in use.

Abstract: A power tool includes a receiving device having at least one first and second power consumption element. A power supply unit connectable to the power tool includes a connecting device having at least one first and second power output element, the receiving device being designed to receive and hold the connecting device, so that the power consumption elements and the power output elements are connectable. Both the first and second power consumption elements have a positive pole as well as a negative pole, and both the first and second power output elements have a positive pole as well as a negative pole. The positive pole of the first power consumption element and the positive pole of the second power consumption element as well as the negative pole of the first power consumption element and the negative pole of the second power consumption element are positioned at a distance from each other in at least one first and second direction.

Abstract: A charging system configured for reducing a leakage current may include an on board charger (OBC) receiving an alternating current (AC) power supplied from an external source to charge a vehicle battery with the AC power; at least an electric component connected to an output end portion of the OBC; at least a switch selectively connecting the electric component to or from a ground; and a controller connected to the at least a switch and reducing the leakage current flowing to the ground by controlling the switch connected to the electric component depending on whether or not the vehicle battery is charged with the AC power.

Abstract: A sheath attached to a body having a raised portion and a surrounding bottom portion, the raised portion has a first closed end, a second open end and the surrounding bottom portion surrounds at least a portion of the raised portion which extends above an outer surface of a body which has an inner surface, an outer surface and a fourth opening between the inner and outer surface, the raised portion receives a female connector having an operative end, a cord end and a cord; the operative end is retained in the second open end of the raised portion and the cord end of the female connector is retained in the first closed end of the raised portion to provide the female connector in a flat position with the operative end being operable and above the outer surface of the body, the cord connects the female connector and a battery.

Abstract: Disclosed is a universal input voltage detection system for a flyback converter having a transformer coupled between an input and an output of the flyback converter. The transformer includes a primary winding coupled to the input of the flyback converter to receive an input voltage and a secondary winding coupled to the output of the flyback converter. The universal input voltage detection system comprises a controller, coupled to a switch, at a primary winding side of the transformer. The switch is coupled to the primary winding of the transformer and a current through the primary winding is generated when the switch is turned on. The controller is configured to operate in either continuous conduction mode (CCM) or discontinuous conduction mode (DCM) and indirectly detect the input voltage to the flyback converter based on the current through the primary winding generated while the switch is turned on.

Abstract: A power tool is provided including a power supply interface receiving a medium-voltage-rated removable battery pack having a maximum rated voltage in the range of 40 to 80 volts, and a brushless direct current (BLDC) motor. The motor includes a rotor and a stator having at least three stator windings corresponding to at least three phases of the motor, the rotor being moveable by the stator when the stator windings are appropriately energized within the corresponding phases, each phase being characterized by a corresponding voltage waveform energizing the corresponding stator winding. A multi-phase inverter bridge circuit is disposed between the power supply interface and the motor, and a controller is configured to output drive signals to the inverter bridge circuit to control flow of current from the battery pack to the motor such that the motor produces a maximum power output of at least 2500 watts.

Abstract: A wireless power transmitting device transmits wireless power signals to a wireless power receiving device using an output circuit that includes a wireless power transmitting coil. Measurement circuitry is coupled to the output circuit to help determine whether the wireless power receiving device is present and ready to accept transmission of wireless power. Oscillator circuitry for supplying signals to the output circuitry while making measurements with the measurement circuitry is coupled to the output circuit using an impedance injection network. The impedance injection network includes an inductor and a resistor coupled in series. Control circuitry opens a transistor in the output circuit when making measurements with the measurement circuitry and closes the transistor when transmitting the wireless power signals.

Abstract: A power supply adapter from a cell phone to an electronic cigarette vaporizer includes a male end adapted to connect with a cell phone charging socket, a female end adapted to connect with the electronic cigarette vaporizer cartridge, a body comprising the male end and the female end and mechanical and electrical connection there between, an electronic component adapted to regulate a voltage potential and a current flow between the male end and the female end and a sensor configured to sense a characteristic of the vaporizer cartridge and pass the characteristic to the male end of the power supply adapter. The male end is adapted to connect with one of an Apple™ phone input socket and an Android™ phone input socket. The body includes a cabled connection of a variable length between the male end and the female end of the power supply adapter.

Abstract: A storage apparatus for storing an electronic device coupled to an electrical outlet via a charging apparatus that includes an electrical cord connected to a plug inserted into the electrical outlet. The storage apparatus has a lower portion defining a compartment in which the device may be inserted and stored. An upper portion of the storage apparatus is configured to hang the storage apparatus from the plug of the charging apparatus while the plug is inserted into the electrical outlet to thereby support the lower portion and the device stored therein.

Abstract: A device includes a first interface configured to connect to a battery charger, a second interface configured to connect to a battery pack and one or more accessory components that define the device. For example, the device may be a fan, a radio, a power adapter, a speaker, a light or other type of device.

Abstract: A cradle and methods of using embodiments of the cradle are described. The cradle has a proximal side and a distal side, where the proximal side has a skin attachment member for releasable attachment to a patient's skin. The distal side includes a device attachment member configured to attach an initially separate medical device. The cradle comprises an electronically controlled optical indication device, the electronically controlled optical indication device being configured to provide optical indications to the patient when the cradle is attached to the patient's skin.

Abstract: A rechargeable battery pack for a hand-held power tool, including a rechargeable battery pack housing, the rechargeable battery pack housing accommodating at least two rechargeable battery cells. The rechargeable battery pack is mechanically and electrically connectable to a hand-held power tool and/or to a charging device via an interface. The interface includes contact elements for electrically and/or mechanically contacting corresponding countercontact elements on the hand-held power tool and/or corresponding countercontact elements on the charging device. It is provided that the rechargeable battery pack housing includes at least one first rechargeable battery cell string for accommodating at least one first rechargeable battery cell, and at least one second rechargeable battery cell string for accommodating at least one second rechargeable battery cell. The rechargeable battery pack housing includes at least two electrical contact elements for each rechargeable battery cell string.

Abstract: A loss prevention structure for an adapter, that includes: a plurality of adapters, and a latch fastening seat. Wherein, each adapter has a flexible latch lock piece connected to a side of the adapter, the latch lock piece has a movable end and a latch buckle at a tail portion of the latch lock piece. The latch fastening seat is formed by two opposite indent plates, and a plurality of connection elements. A jacket hole is formed by an indent portion between the two indent plates, to hold on to a connection cable or a fixing rod. In the latch fastening seat is disposed at least a fastening portion, and the fastening portion is provided with at least a penetrating portion leading to outside.

Abstract: The present invention disclosed a transmission line with a foldable bracket, comprising: a first connector (1), a second connector (2), a wire body (3), and a support member (4); wherein the first connector (1) and the second connector (2) are connected through the wire body (3); the support member (4) comprises a connecting portion (5) and a supporting portion (6), the connecting portion (5) is disposed on the first connector (1) and pivoted to the first connector (1) rotatably, wherein the supporting portion (6) can rotate around the pivot. As a result, when an electronic mobile device needs to be propped up, the support member (4) of the transmission line can be opened to form a stable triangle structure between an edge of the electronic mobile device and the support member (4), to prop up the electronic mobile device.

Abstract: The present disclosure relates to a wearable device and a wearable device charging method. The device includes a connector, a charging module, and a battery. The connector includes a first input end, a second input end, a first output end, and a second output end. The first input end is configured to receive a current signal, and the second input end is configured to receive a voltage signal. The first output end is connected to the charging module, and the charging module and the second output end are connected to the battery. The connector determines, according to the voltage signal of the second input end, whether the current signal is to be transmitted by the first output end or to be transmitted by the second output end to cause the wearable device to charge the battery according to the current signal directly or by the charging module.

Abstract: Registration system, apparatus, architecture, and method for to repeatably operatively align or register a second inductive energy communication device or apparatus on or near a first inductive energy communication device or apparatus. Other embodiments may be described and claimed.

Abstract: An electronic system may include a charging device and an electronic device. The charging device may include an input port, a charge circuit, a storage, and a connector device. The charging device may receive a direct current (DC) voltage at the input port. The charge circuit may receive the DC voltage and provide a charged voltage to the storage. The electronic device may include a body, a battery, a first pad directly on the battery and a second pad directly on the battery. The battery may receive the DC charged voltage when the electronic device is coupled to the charging device.

Abstract: A sensor device for measuring a current flow, having a sensor element for detecting the current flow, a first contact element for connecting the sensor element to the current source, a ground contact element for connecting the sensor element to a ground, wherein the ground contact element includes a first and second electrically conductive connector element, wherein the first connector element has a hole-like opening and wherein the second connector opening has a connector point, which can be pressed into the hole-like opening of the first connector element, such that the second connector element is fastened to the first connector element.

Abstract: A hanger for holding a power adapter, wherein the hanger comprising a hanging plate and two first side plates and a second side plate extending from the three side edges of the hanging plate in the same direction, the two first side plates are oppositely disposed, and the two first side plates, the second side plate and the hanging plate collectively enclose an accommodating space which is open at an end surface of the hanger to form an opening; the free edges of the two first side plates are respectively connected with a baffle, and the two baffles are extended toward each other; a groove is formed between the baffle and the hanging plate for the power adapter sliding in; the first side plate is provided with an elastic buckle in the groove for buckling with the power adapter. Which is safe to use and has a long service life.

Abstract: The invention is directed to an electrical device charger comprising at least one stopper that is configured to hold one electrically powered device in position on the charger while the charger is coupled to a power source, and housing a wireless payment processing system. The stopper may be a channel, groove and or protrusion. The charger may be formed of two separate parts that can be connected via snap, clamp and/or press fit mechanism. The electrical device charger may include a mechanism to compensate for non-horizontal electrical outlets and/or a horizontal level keychain charger. The payment processing system comprises: an electric power sensor for determining a quantity of power used; the rate charging processor, which calculates a power rate to charge the user based on the quantity of power used and vendor fees; and a transaction mechanism, which facilitates a wireless card payment online or via a card swipe reader.

Abstract: The present disclosure provides a fast charging method, a power adapter, and a mobile terminal. The method includes: transmitting, by the power adapter, a clock signal to the mobile terminal via a first data line of a USB interface in a process of coupling the power adapter with the mobile terminal, where the clock signal is configured for indicating a communication sequence between the power adapter and the mobile terminal; conducting, by the power adapter, a bidirectional communication with the mobile terminal via a second data line of the USB interface under control of the communication sequence, so as to determine to charge the mobile terminal in a fast charging mode; and adjusting, by the power adapter, a charging current to be a charging current of the fast charging mode to charge the mobile terminal.

Abstract: A power storage adapter may use a high efficiency charging method when supplying electrical power to a portable information handling system when the power storage adapter is not connected to AC line power. In particular, the power storage adapter may minimize or avoid supplying electrical power when an internal battery of the portable information handling system is in a constant voltage charging regime (or at a given state of charge), in which the electrical power decreases as the state of charge increases.

Abstract: An external power storage adapter (PSA) may supply electrical power to a portable information handling system or other power consuming device. The power storage adapter may include an AC-DC converter, a battery, and intelligent power management functionality. A PSA controller may determine whether electrical power supplied by the power storage adapter should be sourced from the AC-DC converter or from the battery based on various operating parameters of the power storage adapter, such the temperature of the power storage adapter, the state of charge of the battery, the amount of electrical power being supplied by the AC-DC converter, or the amount of time that the AC-DC converter has been supplying electrical power. The power storage adapter may output power to a port of the portable information handling system, such as a USB Type-C port, over a variable power bus.

Abstract: A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator, the first electrode and the second electrode being wound with the separator therebetween, and a case to receive the electrode assembly, wherein the first electrode includes a first tab part having a first coating region and a plurality of first uncoated tabs protruding out of the first coating region, the first coating region being coated with a first active material, and the plurality of first uncoated tabs not being coated with the first active material, and a first non-tab part connected to the first tab part, the first non-tab part wrapping the first tab part at an outermost portion thereof at least one time.

Abstract: The invention is directed to an electrical device charger with at least one stopper that is configured to hold at least one electrically powered device in position on the charger while the charger is coupled to a power source. The stopper may be channel, groove and or protrusion. The charger may be formed of two separate parts that can be connected via snap, clamp and/or press fit mechanism. The electrical device charger may include a mechanism to compensate for non-horizontal electrical outlets and may further include a horizontal level keychain charger. The locater can be fixed vertical or at an angled or adjustably fixed to be vertical or angled.

Abstract: An exemplary aspect of the present disclosure relates to an electrified vehicle including, among other things, a vehicle-mounted battery and a modular battery. The modular battery is selectively removable from the vehicle, and is configured to be charged at a location remote from the vehicle. The vehicle is selectively powered by at least one of the modular battery and the vehicle-mounted battery.

Abstract: The present invention provides a wireless power transmission apparatus installable on a wall, the wireless power transmission apparatus comprising: a housing configured to allow a wireless power reception apparatus to be placed thereon; a plug, a part of which is embedded in the housing, the plug being configured to be coupled with a socket for alternating current power installed on a wall; and a transmission unit which is embedded in the housing, converts an alternating current power supplied from the plug to a direct current power, and outputs a wireless power signal to the wireless power reception apparatus.

Abstract: Embodiments of the present invention relate to a charging method, a mobile device, and a charging device. The mobile device includes a battery and a connector, where the connector includes a charging pin and a ground pin. When the charging pin establishes a connection to an output pin of the charging device by using a charging cable or a battery charging stand, the charging pin receives a first current signal transmitted by the output pin of the charging device, and transmits the first current signal to an anode pin of a battery, so as to charge the battery.

Abstract: A home-automation equipment includes a concealing device including a screen, a holding device of the screen, a load bar, a motorized drive device and an autonomous electrical energy supply device. The motorized drive device includes an electromechanical actuator making it possible to raise and lower the screen. The supply device includes a battery positioned at the holding device, a first electrical connection element positioned at the load bar and configured to be connected to an external electrical supply source, so as to recharge the battery, and a second electrical connection element positioned at the holding device. The second element cooperates with the first element only when the screen is in a recharging position of the battery, so as to establish an electrical connection between the first element and the battery.

Abstract: A waterproof battery case comprises: a case body including a base and a top cover, wherein adjacent surfaces thereof are correspondingly formed with a flange and a recess in which an elastic sealing member is mounted, the base is formed with an accommodation space allowing at least one battery to be accommodated, a stepped engaging hole and a through hole are formed between the outer wall of the base and the accommodation space; an electrode plate set, including at least one anode contact and at least one cathode contact accommodated in the accommodation space; and a waterproof structure, including an elastic waterproof plug allowing two wires to be integrally embedded therein, wherein a plug head at one end thereof is formed with a neck part having the circumference formed with at least one convex rib, the other end thereof is formed with an engaging sheet sleeved with the engaging hole.

Abstract: A mount for mounting a touch screen device, such as a tablet computer, to an electrical outlet includes a base for rotatably mounting the touch screen device to the electrical outlet, an electrical plug to be plugged into the electrical outlet and a USB plug to be plugged into a port of the touch screen device. A cover covers at least edges of the touch screen device and the base and the cover hide the electrical outlet. The touch screen device is therefore permanently mounted to and powered by the electrical outlet, yet rotatable into horizontal or vertical positions.

Abstract: An apparatus is provided for an electrical component to automatically provide a discharge of a rechargeable battery to a predetermined state of charge. The apparatus includes the electrical component determining a rechargeable battery is not connected to a device and discharging the rechargeable battery. The apparatus includes the electronic component determining whether a state of charge exceeds the predetermined state of charge in the rechargeable battery and responsive to determining that the state of charge exceeds the predetermined state of charge, continuing discharging the rechargeable battery.

Abstract: Disclosed are examples of a device that is mountable on a surface of an occupiable space in a building. The device may include an input interface plate that protrudes from the surface into the occupiable space of the building, while a portion of the device remains within the interior space of the building's surface. The device enables wireless control of a remote device, such as a luminaire, outlet or the like. The device is convertible between being powered by a stand-alone power source, such as a battery, and being powered by a power module that connects to the building's alternating current electrical power supply. The power module is configured to connect to the building's alternating current electrical power supply, convert the provided electrical power to a direct current electrical power appropriate for use by the device.

Abstract: Electrical charging device chassis and cases are provided herein. An example device includes a chassis for a computer, the chassis having a sidewall extending perpendicularly from the chassis, the chassis being configured to enclose computer components of the computer, the computer components having an energy storage device, the chassis comprising an electrical connector that extends from the sidewall. The device also includes a circuit mounted on the chassis that charges the energy storage device when the electrical connector is coupled with a power source.

Abstract: Electrical charging devices and assemblies are provided herein. An example apparatus includes a cradle configured to receive and retain an electronic device, side rail tracks extending below the cradle, an electronics tray defining a recess that receives an interchangeable electronics assembly, the interchangeable electronics assembly having electrical conductors, means for electrically coupling the interchangeable electronics assembly with the electronic device, when the electronics tray is coupled with the side rail tracks, and the interchangeable electronics assembly being disposed inside the recess such that the electrical conductors protrude from the electronics tray.

Abstract: An electronic device has an I/O port, a bus connector and a transistor that is connected between the I/O port and a communications contact of the bus connector. A control circuit is connected to the transistor to maintain a gate voltage of the transistor independent of power supply voltage on a power supply contact of the connector. Other embodiments are also described and claimed.

Abstract: The present disclosure provides a power adapter, an electronic device and a charging apparatus for an electronic device. In the process of charging a battery in a conventional charge mode after the power adapter is powered on, the power adapter carries out quick charge inquiry communication with the electronic device when an output current value of the power adapter is within a conventional current range for a preset time interval; after the electronic device sends a quick charge command to the power adapter, the power adapter adjusts the output voltage according to the battery voltage information fed back by the electronic device; and when the output voltage meets a voltage requirement for quick charge preset by the electronic device, the power adapter adjusts the output current and the output voltage for charging the battery in a quick charge mode.