A control apparatus (1) includes a charge controller that, by using power when a lead-acid battery (3) or a lead-acid battery module (4) including a plurality of lead-acid batteries is discharged, performs refresh charge of another lead-acid battery (3) or another lead-acid battery module (4).

A driving apparatus drives a load. An N-channel MOSFET is disposed downstream of the load on a current path of a current that flows via the load. A circuit resistor is connected between a direct current power source and the gate of the MOSFET. A first switch is connected between the gate and the source of the MOSFET. A microcomputer outputs a voltage relative to a potential at an output terminal of a second switch to a control terminal of the second switch. As a result, the second switch is turned ON or OFF. A switching circuit turns the first switch ON when the second switch is turned ON and turns the first switch OFF when the second switch is turned OFF.

A method for predicting a state-of-power, SoP, of an electric energy storage system, ESS, comprising at least two battery units electrically connected in parallel. The method includes obtaining operational data from the at least two battery units of the ESS during operation of the ESS; computing the state-of-power of the ESS based on the obtained operational data and by using an algorithm based on a system-level model of the ESS, wherein the system-level model of the ESS takes into account on one hand each one of the at least two battery units of the ESS, and on the other hand at least one electrical connection between the at least two battery units, and wherein the system-level model of the ESS further takes into account a dynamic parallel load distribution between the at least two battery units.

An electronic circuit unit includes a trigger circuit and a circuit module. The trigger circuit includes a semiconductor switching element configured to output a switching pulse signal in response to an external trigger signal, a load resistor for the semiconductor switching element, a one-shot pulse circuit configured to convert the switching pulse signal into a one-shot pulse with a predetermined pulse width, and a forcible-reset circuit connected to an input side of the semiconductor switching element. The one-shot pulse circuit includes a coupling capacitor connected to an input side of the semiconductor switching element and a charging resistor for the coupling capacitor. The pulse width of the one-shot pulse is determined by a time constant of the coupling capacitor and the charging resistor. The forcible-reset circuit is configured to temporarily input an on-voltage to the semiconductor switching element so as to forcibly switch the circuit module to the operating mode.

The disclosure provides an Internet of things device and a battery power supply circuit thereof. A voltage of a battery is compared with a predetermined over-discharge voltage to generate a comparison signal. A battery protection circuit serves as a power supply path from the battery to a load and determines whether to cut off the power supply path according to the comparison signal. The battery protection circuit cuts off the power supply path when the voltage of the battery decreases from a value greater than the predetermined over-discharge voltage to a value less than the predetermined over-discharge voltage, but does not turn on the power supply path when the voltage of the battery increases from a value less than the predetermined over-discharge voltage to a value greater than the predetermined over-discharge voltage.

The present disclosure relates to aerosol delivery devices comprising a power unit and a cartridge that is configured for engagement with the power unit. In particular, the cartridge can be configured for rotation about a longitudinal axis thereof so as to be insertable into a chamber of the power unit in a plurality of different orientations. Further, the aerosol delivery device can include processing circuitry that can be configured for detection of the cartridge orientation and execution of a control function assigned to the respective orientation.

The hybrid battery system includes a primary battery pack, a secondary battery pack, a battery control unit, a battery pack positive terminal, and a battery pack negative terminal. The battery control unit includes a management module and a variable resistor. The primary battery pack supplies power at lower temperatures, while the secondary battery pack supplies power at higher temperatures. The primary battery pack is unsafe at higher temperatures, and the primary cells within the primary battery pack are modified to mitigate the dangers that previously rendered the primary battery pack unusable in a hybrid battery pack at higher temperatures. The invention includes the method of safely operating the hybrid battery system with the modified primary battery cells of the primary battery pack.

A system for battery management for electric aircraft batteries includes an energy storage system configured to provide energy to the electric aircraft via a power supply connection, the energy storage system including: a battery pack, a sensor configured to detect a condition parameter of the battery pack and generate a battery datum based on the condition parameter, a pack monitoring unit (PMU) configured to receive the battery datum, and a high voltage disconnect configured to terminate the power supply connection between the battery pack and the electric aircraft; a high voltage bus electrically connected to the high voltage disconnect; a primary functional display configured to display information based on battery datum; and a first controller area network (CAN) bus and a second CAN bus communicatively connected to the PMU, the high voltage bus, and the primary functional display.

A outdoor power equipment system includes a removable rechargeable battery module, a robotic lawn mower, and a portable power equipment. The robotic lawn mower includes a receptacle configured to receive the battery module, and an electric motor electrically coupled to the receptacle to receive electricity to drive at least one of a wheel and a cutting implement. The portable power equipment includes a receptacle configured to receive the battery module, and at least one of an electric motor, a light source, and an amplification circuit coupled to the receptacle to receive electricity.

The present disclosure provides a current control-type battery discharging apparatus including: a plurality of power switches connected to one terminal of a battery; at least one current feedback control circuit configured to apply at least one control signal to the plurality of power switches; at least one current measurement resistor connected to the plurality of power switches and the other terminal of the battery; and a microprocessor configured to supply at least one reference signal to the at least one current feedback control circuit.