A battery module for high voltage battery packs, preferably for use in vehicles, comprising a plurality of battery cells each comprising an electronic battery cell monitoring module attached to each of the battery cells, with the battery cell monitoring modules being connected to one another by a balancing bus comprising at least two electrical lines for transmitting data and electrical current, with the electronic battery cell monitoring modules being electrically connected to a positive terminal and to a negative terminal of the battery cell, with the electronic battery cell monitoring modules having a first electrical switch and a second electrical switch, with the electrical switches being configured to electrically connect the battery cells to a respective one of the two electrical lines of the balancing bus, with the battery module comprising an energy storage module for storing electrical energy, with the energy storage module being electrically connected to the two electrical lines of the balancing bus to take up or output energy over them, and with the electronic battery cell monitoring modules and the energy storage module being connected to one another by the balancing bus forming a cell balancing system.

The battery charger (1) for electric vehicles comprises a container (2), a first power unit (3) housed inside said container (2), connectable at input to an external power supply line (L) and connectable at output to a battery (B) of an electric vehicle (V), and an electronic control unit (4) housed inside the container (2) and operatively connected to the first power unit (3), and a second power unit (6) housed inside the container (2), operatively connected to the electronic control unit (4), connectable at input to at least an external power supply line (L) and connectable at output to the battery (B) of the electric vehicle (V).

A battery management system for use in charging a rechargeable battery is disclosed. The battery management system comprises a controller and a temperature sensor, wherein the temperature sensor is configured to provide a temperature signal based on a temperature of the rechargeable battery, and wherein the controller is configured to control a charging current for charging the rechargeable battery based on the temperature signal. In response to the temperature signal indicating that the temperature exceeds a first threshold temperature signal value the charging current is tapered down as a function of increasing temperature.

A guide device (40) comprises a station battery information acquisition component (41), a vehicle battery information acquisition component (43), and a guide component (46). The station battery information acquisition component (41) is configured to acquire station battery information about a plurality of batteries (10) that are being charged at a charging station (60) in which are installed one or more charging devices configured to charge the batteries (10). The vehicle battery information acquisition component (43) is configured to acquire vehicle battery information about the batteries (10) respectively connected to a plurality of vehicles (20). The guide component (46) is configured to guide a specific vehicle (20) to a specific charging station on the basis of the station battery information acquired by the station battery information acquisition component (41) and the vehicle battery information acquired by the vehicle battery information acquisition component (43).

A module maintenance system includes a battery module comprising at least a first battery cell and a second battery cell, and a charging device comprising a bulk output and an equalization output. The battery module has a series configuration and a parallel configuration. In the parallel configuration, the charging device outputs a first voltage to the equalization output to equalize charge levels of the first and second battery cells. In the series configuration, the charging device outputs a second voltage to the bulk output to modify charge levels of the first and second battery cells, wherein the second voltage is greater than the first voltage.

Disclosed herein are system, method, and computer program product (computer readable medium) embodiments for extending battery longevity by improving partial-state-of-charge operation of batteries. An embodiment operates by determining, using at least one processor, that at least one first battery has stopped charging at a partial state of charge, in which the at least one first battery is associated with a first battery bank and is rechargeable, and charging, in response to receipt of a command issued from the at least one processor or another processor in response to the determining, the at least one first battery using at least one second battery, in which the at least one second battery belongs to a second battery bank that is not the first battery bank, by transferring charge from the at least one second battery to the at least one first battery.

A method for combining identical multiple modular battery packs into one multi-pack system using a battery management system (BMS) and an external interface. The method including energizing the system by electrically connecting one or more of the modular battery packs at a time, having the BMS read voltages off each of the modular battery packs to determine when to make an electrical connection of the modular battery packs in a parallel configuration, and selecting which of the modular battery pack electrically connects to the system based on inputs from the external interface that signifies charging or discharging actions of the modular battery packs. Also disclosed is system for combining cells in a modular battery pack.

A battery managing apparatus includes a battery controller configured to determine a time when a battery enters a steady state based on a charge and discharge current of the battery. The apparatus further includes a time controller configured to wake up the battery controller based on the time when the battery enters the steady state. The battery controller is configured to control the battery in response to the time controller waking up the battery controller.

A method of controlling the charging of a battery includes determining plural pieces of state information of a battery unit based on a sensed physical quantity of the battery unit, calculating a weight of the battery unit based on the pieces of state information and a correspondence value of each of the plural pieces of state information, and defining, based on the weight, control information corresponding to an input physical quantity in a charging physical quantity of the battery unit, where the input physical quantity is input to a converter of the battery unit.

The present invention provides for devices and methods for making and using an integrated rechargeable power supply and power management system for providing power to weapon mounted electronic devices. The inventive apparatus provides for a common power source for weapon attachments, that can be integrated into a weapon. These devices and methods provide for an easy swap of the power source in an active environment, and further includes power management and safety functions. The inventive devices and methods further provide for better ergonomics and improved weight/balance to enhance shooting skills, less physically taxing heft, and potentially save lives. Finally, the present invention is backwards compatible with present weapons.