An electronic device may collect statistics on a quantity of recharging times of the battery in at least one single charging process, and/or obtain a temperature of the battery in recharging. Then, the electronic device may lower a full charge threshold and a recharge threshold based on the…
A battery charger is provided that includes a switching power converter that regulates an output voltage on an output voltage rail. A transistor couples between the output voltage rail and a rechargeable battery for a system. An error amplifier controls the conductance of the transistor based upon…
A battery charger system includes multiple power channels to accommodate multiple battery chargers through a power input port. Each power channel includes a power outlet electrically coupled to the power input port through a relay. Each power channel further includes a current sensor. A controller…
Systems and methods are provided for charging a chargeable electronic device with a USB interface. An example method includes comparing a charging voltage level of a charging device to a charge voltage rage. The method may further include charging a battery with a charging current based on the…
The present invention provides a battery charge/discharge control device including a contactor driver which is on/off controlled according to AN output signal of a micro control unit (MCU), a contactor coil through which current flows according to an on/off state of the contactor driver, and whose…
An energy storage module includes a bus connection part, a battery pack, a capacitor and a series compensation DC conversion device. A first conduction terminal of the series compensation DC conversion device is electrically connected with a positive bus connection terminal and a negative bus…
A computing device is provided, including a battery, a processor configured to receive electrical power from the battery via a voltage regulator, and one or more additional electronic components configured to receive electrical power from the battery. The computing device may further include a…
Various disclosed embodiments include illustrative controller modules, direct current (DC) fast charging devices, and methods. In an illustrative embodiment, a controller module for a DC-DC converter includes a controller and computer-readable media configured to store computer-executable…
A method for managing a plurality of batteries that are electrically coupled together includes (1) monitoring respective voltages of the plurality of batteries and (2) in response to a respective voltage of a first battery of the plurality of batteries reaching a first threshold value at a first…
A battery charger system includes multiple power channels to accommodate multiple battery chargers through a power input port. Each power channel includes a power outlet electrically coupled to the power input port through a relay. Each power channel further includes a current sensor. A controller…
A charging method for a battery pack includes sending, by a battery management module of the battery pack, a charging request for a first current to a charging pile for charging, controlling, by the battery management module in response to determining that first-current charging of the battery pack…
The present invention provides a screening method for rechargeable battery cells. A predetermined target capacity 2%˜10% or a charging voltage lower than a nominal voltage of the rechargeable battery cells is adopted to charge the rechargeable battery cells, when approaching fully charged…
The present disclosure discloses a drive circuit of an energy storage power supply and an energy storage power supply. The drive circuit of an energy storage power supply includes a charging control circuit, a first direct current output circuit, an alternating current output circuit and a main…
A attainable output power comparison judgment section calculates a total attainable output power of a battery module using an upper limit current value of a battery pack for each of all connection patterns of a battery connection/disconnection section that are capable of being established between a…
A switching charger for accurately sensing a small current is provided. First terminals of first transistors and a second transistor are coupled to a system voltage. Second terminals of the first transistors and a first input terminal of an operational amplifier are connected to a battery. A first…
System and method for charging or discharging one or more batteries. For example, a battery management system for charging or discharging one or more batteries includes: a first transistor including a first transistor terminal, a second transistor terminal, and a third transistor terminal, the…
Systems and methods for detecting electrical connection and disconnection on an USB Type-A charging port like power adapters, power banks and car chargers having one or more USB Type-A charging port of an USB device. The system includes: a voltage source; a MOSFET SWITCH gate driver, in USB type-A…
When a module controller of a battery system detects an abnormality of a battery module, the module controller selects the battery module without stopping the battery module. After that, the module controller compares a current value of a current supplied to a load, with a total value of rated…
A computing device is provided, including a battery, a processor configured to receive electrical power from the battery via a voltage regulator, and one or more additional electronic components configured to receive electrical power from the battery. The computing device may further include a…
The power supply device is provided with: a battery pack that comprises a plurality of battery units each of which includes a battery, a first terminal and a second terminal; a capacitor connected in parallel with the battery pack; and a current adjusting circuit that includes a load and a…
A method controls the current output of a battery for driving a rail vehicle. A battery actual current Ipasses via a converter to an asynchronous motor, being a drive for the vehicle. The battery actual current Iis set by control circuits as a function of a feedforward control torque Mand a…
A power regulation unit is provided for regulating power to or from a power tool battery pack. The power regulation unit includes power regulation circuitry and a controller. The power regulation circuitry is configured to regulate a received power. The controller is connected to the power…
Methods and systems for charging a battery utilizing a negotiable power supply in which the power supply and a component of a charge circuit negotiate a level of power are disclosed. A charge circuit may include a controller to communicate with the negotiable power supply to request a power signal…
Embodiments of the present application provide a charging/discharging apparatus, a method for charging a battery and a charging/discharging system, the charging-and-discharging apparatus including a bidirectional AC/DC converter, a first DC/DC converter, and a control unit, where the first DC/DC…
Embodiments of the application provide a method for charging battery a charging and discharging device, which can ensure the safety performance of the battery. The charging and discharging device includes a first DC/DC converter, a unidirectional AC/DC converter and a control unit, where the first…
A method for managing a plurality of batteries that are electrically coupled together includes (1) monitoring respective voltages of the plurality of batteries and (2) in response to a respective voltage of a first battery of the plurality of batteries reaching a first threshold value at a first…
A battery control system and method selectively connect battery strings to one or more conductive buses by plural electrically controllable switches. The switches are controlled to one or more of (a) connect the strings with one or more of the load or the power source via the one or more conductive…
A hardware and/or software (e.g., a controller and/or firmware or software) that monitors a remaining capacity of a battery and adjusts a continuum of system performance settings ranging from best performance to best energy efficiency. The controller starts with best performance setting (at the…
A power supply system for preventing battery packs connected in parallel from charging each other is provided. Each of a plurality of battery packs includes a plurality of batteries, a sensing resistor, a detector circuit, a discharging transistor, a charging transistor, and a controller circuit…
A charge method for a battery, a storage medium, and a terminal are provided and include: acquiring a discharge current of the battery when the battery is in a charge state; determining whether the discharge current is smaller than a predetermined current threshold value; if yes, determining…