A system and method for prolonging a life of a battery is provided. The system may include a charge storage device and a battery. The charge storage device may be connected to the battery. The system may further include a controller connected to the charge storage device. The controller may compute a resonance frequency. The controller may further control the charge storage device to supply, to the battery, a specific voltage at a specific time defined by the resonance frequency, while the battery is under a load. Furthermore, the controller may control the charge storage device to charge while the battery is discharging and discharge while the battery is charging, for prolonging the life of the battery.

A remote controlled battery cell monitoring and control system that utilizes empirical and theoretical data to compare performance, sensor data, stored patterns, historical usage, use intensity indexes over time and tracking information to provide a sophisticated data collection system for batteries. This tracking is designed to better the specifications, designs, training, preventative maintenance, and replacement and recycling of batteries.

An energy storage system includes a control apparatus and one or more battery sub-arrays. Each battery sub-array includes one or more energy storage racks. Each energy storage rack includes one or more battery packs. The control apparatus is configured to: determine that parameter calibration needs to be performed on a first energy storage rack in a first battery sub-array; when the first energy storage rack meets a preset condition, increase a weight of the first energy storage rack in the first battery sub-array; and after each battery pack in the first energy storage rack is fully charged or remaining power of the battery pack is fully discharged, perform calibration on a parameter of the battery pack.

The present disclosure provides a battery management system, and a method and apparatus for transmitting information. The method includes: determining, from a plurality of slave nodes, a fault slave node that communicates abnormally with a master node in the battery management system; selecting a target slave node from the plurality of slave nodes, wherein the target slave node is a slave node that communicates normally with both the master node and the fault slave node; transmitting frequency conversion information to the target slave node, so that the target slave node forwards the frequency conversion information to the fault slave node, and the fault slave node performs a frequency conversion based on the frequency conversion information; and transmitting information with the fault slave node using a frequency after the frequency conversion. According to embodiments of the present disclosure, the reliability of wireless communication in the battery management system can be improved.

The present invention relates to the field of battery powered electrical appliances or personal hygiene, in particular to a hair removal device such as an electric shaver or epilator as well as an electric toothbrush. A control device for a battery powered electrical appliance for personal hygiene is described, wherein the control device is adapted to cause the battery powered electrical appliance to perform automated contact fritting of a battery contact by controlling the battery powered electrical appliance such that a current pulse exceeding a wetting threshold is applied across the battery contact during a standby period.

A smoke detector alarm system configured with improvements that enable remotely positioning a smoke detector battery from a smoke detector while recharging the battery such that there is not a loss of battery power in case of a power outage and the battery replacement needs are reduced.

A charging management device according to the present disclosure includes a memory and a processor coupled to the memory. The processor is configured to: create a charging plan for inhibiting deterioration of a battery mounted on a moving object based on power consumption of the moving object predicted from a delivery plan and a characteristic of the battery; and determine whether the charging plan is replanned based on a reference battery power amount calculated in accordance with a remaining time period up to a target time point at which a target power amount indicated by the charging plan is achieved, when the remaining time period is shorter than a predetermined first time period in charging to the battery performed in accordance with the charging plan.

Battery systems, methods of in-situ grid-scale battery construction, and in-situ battery regeneration methods are disclosed. The battery system features controllable capacity regeneration for grid-scale energy storage. The battery system includes a battery comprising a plurality of cells. Each cell includes a cathode comprising cathode electrode materials disposed on a first current collector, an anode comprising anode electrode materials disposed on a second current collector, a separator or spacer disposed between the cathode and the anode an electrolyte to fill the battery in the spaces between electrodes. The battery system includes a battery system controller, wherein the battery system controller is configured to selectively charge and discharge the battery at a normal cutoff voltage and wherein the battery system controller is further configured to selectively charge and discharge the battery at a capacity regeneration voltage as part of a healing reaction to generate active electrode materials.

Described herein is an electric vehicle charging arrangement for charging an electric vehicle, including an electric vehicle supply equipment (EVSE). The EVSE includes a power module configured for providing electrical energy to charge the electric vehicle, an output configured for connecting the power module to the electric vehicle for charging the electric vehicle, and a direct current (DC) bus having a DC+ line and a DC− line and provided between and connected to the power module and the output and configured for transporting electric energy from the power module to the output. Each of the DC+ the DC− lines is provided with a contactor configured for selectively allowing a current flow from the power module to the output. A first pre-charge circuit is provided in parallel to the contactor of the DC+ line, and a second pre-charge circuit is provided in parallel to the contactor of the DC− line.

A method of generating a charge/discharge protocol of an additional charging/discharging operation included in an activation method with respect to assembled secondary batteries is provided. The method includes operation (a) of measuring a secondary battery thickness increase rate over time while repeating charging/discharging between a first voltage and a second voltage higher than the first voltage with respect to a first secondary battery; operation (b) of performing, at least once, an operation of performing operation (a) with respect to a second secondary battery after fixing the second voltage and changing the first voltage; operation (c) of determining one of first voltages except for a first voltage at a lowest rate from among measured secondary battery thickness increase rates as a lower limit voltage; and operation (d) of setting a protocol so that charging/discharging is repeated between the lower limit voltage and the second voltage.