A system and methods to configure, track and provide device data for clients is disclosed. The system configures a device to interact according to client specified settings. The system also tracks relevant data from a service provider interaction with the client. The system is configured to provide the tracked data to a third party upon a validated request. For example, the system may store and provide the tracked data in the cloud, through a network.

A power supply apparatus has a first electric storage section, a second electric storage section having an excellent energy density and a poor output density compared with the first storage section, and a control section that acquires first data and second data before and after each time of transferring charge between the first and storage sections, the first data being a combination of an SOC and an OCV of the first storage section, the second data being a combination of an SOC and an OCV of the second storage section, estimates a first correlation between the SOC and the OCV of the first storage section from an aggregation of the first data including reference data, and estimates a second correlation between the SOC and the OCV of the second storage section based on a comparison between a plurality of stored data and an aggregation of the second data.

An electrical charging system including an electrical charger assembly with a charger base coupled to an electrical power source. There is a first male terminal member terminating in a first electrical contact with at least two curved external surfaces and one flat surface. There is a second male terminal member terminating in a second electrical contact with at least two curved external surfaces and one flat surface. There is a cavity formed between the first male terminal member and the second male terminal member having an opening between the first and second electrical contacts. The cavity is defined by the flat surface of the first male terminal member and the flat surface of the second male terminal member. The flat surface of the second male terminal member has a flared surface portion proximate the opening of the cavity and angled relative to the second axis.

A charge method, an adapter and a mobile terminal are provided. The adapter negotiates with the mobile terminal about the charging mode and the charging current of the battery. When determining to charge the battery in the quick charging mode, the adapter adopts the unidirectional pulse current to perform a quick charge on the battery using the negotiated charging current.

A method for identifying an electrical battery provided with an electrical interface, called the identification electrical interface, including several pins, called the identification pins, at least one of the identification pins being connectable to at least one other identification pin to assign an identifier to the battery, the method includes at least one iteration of a step of reading the identifier, including the following operations carried out alternately for each of the identification pins: polarising the identification pin at a predetermined electric potential (V1), called the test potential; and detecting whether or not the test potential (V1) is present on each of the other identification pins in order to identify the identification pins which are looped together.

An independently operable offset wireless tattoo machine battery pack is disclosed. The battery pack is offset relative to a tattoo machine power interface such that the center of gravity of the battery pack is longitudinally closer to the center of gravity of the tattoo machine than is the power interface. The offset wireless tattoo machine battery pack may include electronic circuitry that controls and operates a tattoo machine independent of any separate control unit, providing a unified wireless standalone tattoo machine.

Systems described herein include a battery pack including one or more battery cells and a first resistive element connected to a positive electrode of a first battery cell. The systems also include an external device capable of receiving the battery pack. The external device includes a second resistive element, a switch, and a controller. The second resistive element is configured to be in series with the first resistive element upon the battery pack being received within the external device. The switch is positioned in series with the second resistive element and a common potential is coupled to both the battery pack and the external device. The controller is configured to activate the switch, measure a voltage between the first resistive element and the second resistive element in response to the switch being activated, and determine an identification of the battery pack based on the measured voltage.

A method for operating a contactor (10) is described, wherein the contactor (10) comprises at least two contacts (18, 20, 22) electrically conductively connected to one another in a closed state of the contactor (10), having the method steps of partially charging an DC link capacitance (103) in electrical contact with the contactor (10) and closing the contactor (10).

A battery pack configured to be housed in an electronic device, the electronic device including a near field communication (NFC) tag, the battery back including a battery housing. The battery housing includes a rechargeable battery cell configured to provide power to the electronic device, the rechargeable battery cell initially in a first power mode, an NFC antenna configured to detect a presence of the NFC tag within the electronic device, and processing circuitry including a memory and a processor, the memory in communication with the processor, the memory having instructions that, when executed by the processor, configure the processor to convert the rechargeable battery cell from the first power mode to a second power mode when the NFC antenna has detected the presence of the NFC tag within the electronic device.

A power supply system that is mountable on a vehicle includes a lithium-ion storage battery connected to an electrical load via two paths being a first path and a second path, a power generator capable of charging the lithium-ion storage battery, a first switch provided on the first path, an electrical resistance element provided on the second path, and a controller configured to control on/off of the power generator and perform on/off control of the first switch. According to a voltage increase request from the electrical load, the controller is configured to turn of the first switch such that a power supply to the lithium-ion storage battery through the first path from the power generator is cut.