An adaptable battery management system can comprise a first termination module and a second termination module. The first termination module can include a portion of a control system for the adaptable battery management system and the second termination module can include a second portion of the control system. The first termination module can be located at separate locations in a string of battery modules (e.g., at a high-side and a low side, at a high side and a mid-point side, or at a combined high-side/low side and a mid-point side).

A control system for charging an aircraft, comprising: a battery pack, an input device configured to enable a user to select between different charging modes, two main contactors connecting the battery pack to an electric propulsion unit (EPU) load and an auxiliary load, a EPU load contactor connecting the battery pack to the EPU load and a controller configured to receive the selected charge mode and control the contactors, keep the two main contactors open upon receiving a user selection to charge in a first mode, close the two main contactors and keep an EPU load contactor open upon receiving a user selection to charge in a second mode, and close the two main contactors and the EPU load contactor upon receiving a user selection to charge in a third mode.

A handheld jump starter device includes a rechargeable lithium battery pack comprising at least three lithium battery cells, a housing for enclosing the rechargeable lithium battery pack, and a jumper cable assembly removably attachable to the housing, the jumper cable assembly comprising a plug and a pair of cables, wherein the plug is configured to attach to the housing in a specific orientation.

A circuit includes three battery groups. A first battery group is coupled to an input port. A negative electrode of a second battery group and a third battery group that are connected in parallel to each other is grounded, and a positive electrode of the second battery group and the third battery group is coupled to the first battery group through a switch. A negative electrode of the first battery group is further grounded through a switch. In addition, the input port is coupled to an output port through a buck circuit, the first battery group and the second battery group that are connected in parallel are coupled to an output of the buck circuit through a switch, and the first battery group is coupled to the output of the buck circuit through another switch. The output port is coupled to the output of the buck circuit.

Provided are a method for battery derating protection, an electronic device, and a storage medium. In the method, application stages of a to-be-tested battery are correspondingly adjusted based on decline of a state of health of the to-be-tested battery; when the to-be-tested battery is in a beginning of life stage or a middle of life stage, a state-of-charge usage interval of the to-be-tested battery is set to an initial usage interval; when the to-be-tested battery transitions from the middle of life stage to an end of life stage, the state-of-charge usage interval is narrowed to a limited usage interval; when the to-be-tested battery transitions from the safety of life stage to the hazard of life stage, the to-be-tested battery is forcibly discharged to the lower limit of the limited usage interval; after completing forced discharge, the state-of-charge usage interval of the to-be-tested battery is set to a single value.

Power systems and methods of using the same to deliver power. A power system referenced herein can include a housing capable of attaching to a workstation, one or more cradles or mounting fixtures to receive at least one energy storage device, electronic circuitry to communicate status of the at least one energy storage device, state of charge of the at least one energy storage device, and/or overall health of the at least one energy storage device, and one or more electrical connectors to allow the at least one energy storage device to charge and/or discharge and communicate with the electronic circuitry, with said housing having an internal power supply and charge circuitry, said power supply capable of receiving input power from an external AC or DC power source; wherein the power system is configured to deliver power to the workstation.

The present invention is proposed to improve a conventional two-pin charging device (dumb charger), which stops charging when the battery is fully charged and can avoid the inrush current at any charging stage. A novel intelligent securely charging system is proposed, which includes a control module for controlling the operation of the system, a power conversion module for converting the input AC power AC.sub.in into the electricity required by the system, a switch module for passing or interrupting electrical power transformation, and a pre-charging module with impedance higher than the switch module used for limiting the inrush current, and a voltage detection module which detects the battery voltage V.sub.b, the charging voltage V.sub.a. Further, the pre-charging module maintains in the on-state at any charging stage, and the switching module is configured to be in the on-state or off-state according to the application of the charging stage.

A multi-bay battery pack charger may include a plurality of battery pack interfaces configured to removably receive a plurality of battery packs, a charging circuit electrically connected to the plurality of battery pack interfaces, a power output, a discharging circuit electrically connected between the plurality of battery pack interfaces and the power output, and an electronic processor electrically connected to the charging circuit and the discharging circuit. The electronic processor may be configured to, when a first battery pack and a second battery pack are removably received in the plurality of battery pack interfaces and a first condition is satisfied, charge the first battery pack using the charging circuit; and discharge the second battery pack using the discharging circuit.

A battery pack is provided that supplies power to a device to be connected, comprising: a power output circuit configured to output a first power when an operation status of the battery pack is normal, and to output a second power when an operation status of the battery pack is abnormal, wherein: the first power is power for operating the device, and the second power is power having a magnitude that the device does not operate.

Provided are a battery pack and a method of controlling the same, in which the battery pack includes a battery module supplying power to a load, a voltage measuring unit measuring a voltage of the battery module, a current measuring unit measuring a current output to the load from the battery module, and a control unit determining whether a cause of an error occurring in the load is the load or the battery pack, based on whether a warning signal corresponding to the voltage of the battery module is generated and whether a current value measured by the current measuring unit for a specific time period satisfies a current profile of the load.