A battery assembly including a battery pack having a battery pack housing, an upper modular housing portion coupled to the battery pack housing positioned at a first end of the battery pack housing, a lower modular housing portion coupled to the battery pack housing positioned at a second end of the battery pack housing, and a handle formed as part of the upper modular housing portion. The battery assembly further includes multiple battery cells disposed within the battery pack housing, a mating feature including multiple ports electrically connected to the multiple battery cells and structured to supply power from the multiple battery cells through the ports and is structured to selectively connect the battery assembly with a receptacle of at least one of a piece of power equipment and a charging station. The mating feature is located on the first modular housing portion.

There is provided a constitution in which a state of an assembled battery can be managed while eliminating the need for connecting an electrical wire. There is provided a lithium ion battery module having a control unit that is configured to receive a characteristic signal representing a characteristic of a corresponding unit cell and to output a control signal obtained by encoding an identifier of the unit cell and the characteristic signal, the control unit being provided in each of the unit cells; a light emitting unit that outputs an optical signal responding to the control signal; and an optical waveguide that provides a common optical path for optical signals that are output from a plurality of the light emitting units.

Battery monitoring systems having conductive strips and related methods are disclosed herein. According to an aspect, a battery monitoring system includes a conductive strip having a first end and a second end. The system also includes conductivity measurement circuitry operatively connected to the first end and the second end of the conductive strip. The conductivity measurement circuity is configured to indicate whether conductivity between the first end and the second end meets a predetermined threshold. Further, the system includes a strap attached to at least one of the first end and the second end, configured to attach to a battery, and configured to apply tension to the conductive strip when attached to the battery.

A battery pack includes a battery cell and a casing configured to receive the battery cell. The casing has a vent hole configured to allow gas generated in the battery cell to be discharged therethrough, and a sound generator installed in the vent hole so as to block the vent hole. The sound generator is configured to allow the gas to pass therethrough, and generate a sound by the flow of the gas when the gas is discharged from the casing through the vent hole.

An aqueous battery system includes an electrode assembly, a recombination device, and a controller. The recombination device has a catalyst that combines hydrogen and oxygen produced by the electrode assembly to form water and generate heat via exothermic reaction. The controller, responsive to a detected temperature or change in temperature associated with the recombination device due to the heat, changes power supplied to the electrode assembly.

An electrical device, such as a power tool, includes a first battery pack receptacle configured to receive a first battery pack and a second battery pack receptacle configured to receive a second battery pack. The second battery pack is electrically connected in a series-type configuration with the first battery pack. The electrical device also includes circuitry with an electronic processor. The circuitry is configured to alter a first signal output from the electronic processor to at least one selected from a group consisting of the first battery pack and the second battery pack, and to alter a second signal received by the electronic processor from at least one selected from the group consisting of the first battery pack and the second battery pack.

An energy storage assembly device for an aerosol generation device includes a housing intended for housing a battery; a vent component configured to vent pressurized gases from within the housing upon a predetermined pressure in the housing; whereby the housing has an elongated shape ; and the housing includes on a circumference of the housing at a first extremity which is free on the inside from being filled by the battery, a first plurality of holes blinded by a blinding member, the first plurality of holes and the blinding member each being part of the vent component.

A battery abnormality warning method involves detecting an abnormality in a vehicle-mounted battery and warning an occupant in the vehicle. The battery abnormality warning method determines whether a pressure abnormality has occurred in the battery based on an air pressure inside a battery pack of the battery. The battery abnormality warning method further determines whether a voltage abnormality has occurred in the battery based on a cell voltage of the battery. An abnormality is determined to have occurred in the battery when both a pressure abnormality in the battery and a voltage abnormality in the battery are determined to have occurred within a prescribed time period. A warning is outputted to the occupant in the vehicle upon determining that an abnormality has occurred in the battery.

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.

The present invention relates to an energy storage module system and, more specifically, to a hybrid energy storage module system selectively using, according to the amount of power required in a load, a lithium battery and a lead storage battery by mutually supplementing the lithium battery and the lead storage battery. According to the present invention, the hybrid energy storage module system is an energy storage module system for supplying power necessary for the driving of a load and comprises an energy storage device, a first sensing unit and a second sensing unit, and a controller. The energy storage device includes at least one lithium battery module and at least one lead storage battery module. In addition, the energy storage device includes a switching network configured so as to connect the lithium battery module and the lead storage battery module in different arrangement modes. The energy storage device is connected to both ends of a load and supplies power. The switching network can include a path for connecting the lithium battery module and the lead storage battery module, and a plurality of switches provided on the path. The first sensing unit is configured so as to measure the temperature and the voltage of the lithium battery modules, and the second sensing unit is configured so as to measure the temperature and the voltage of the lead storage battery module. The controller controls the switching network in order to change the arrangement modes of the lithium battery module and the lead storage battery module of the energy storage device.