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.

Systems and methods are described for managing charging and discharging of battery packs. In one or more aspects, a system and method are provided to minimize overcharging of battery cells of specific battery chemistries while still enabling fast charging cycles. In other aspects, a buck converter may be used to reduce a voltage of power used to charge the cells. In further aspects, a fast overcurrent protection circuit is described to address situations involving internal short circuits of a battery cell or battery pack. In yet further aspects, a bypass circuit is provided in series-connected battery packs to improve the charging of undercharged battery packs while also increasing the efficiency of the overall charging process. In other aspects, a circuit is provided that permits a controller to determine a configuration of battery packs. In yet further aspects, a system may determine a discharge current for a collection of battery packs based on each battery pack's state of health (SOH) and forward that determination to an external device.

A vehicle includes a battery that is rechargeable using an external power source coupled to the vehicle. The vehicle includes a controller that is programmed to estimate parameters of the battery using a parameter estimation algorithm. The controller is programmed to change a charging current when connected to the external power source to provide an input to the parameter estimation algorithm that is sufficiently dynamic such that the parameter estimation algorithm converges to an accurate solution.

A portable power source includes a housing and a battery receptacle supported by the housing. The battery receptacle is configured to receive a battery. The portable power source also includes a first power tool battery pack port that is configured to receive a first power tool battery pack. The portable power source further includes a charging circuit coupled to the battery receptacle and the power tool battery pack, and an inverter. The charging circuit is configured to receive power from the battery receptacle and to provide power to the power tool battery pack port. The inverter includes a DC input coupled to the battery receptacle, inverter circuitry, and an AC output. The inverter circuitry is configured to receive power from the battery receptacle via the DC input, invert DC power received from the battery receptacle to AC power, and provide the AC power to the AC output.

A method for charging a battery set of an autonomous vehicle including: determining charging requirements of the battery set of the autonomous vehicle via a communication from the autonomous vehicle to a charging station, in response to the communication from the autonomous vehicle, connecting a plurality of batteries of the charging station in a first combination to match the charging requirements of the battery set of the autonomous vehicle; and charging the battery set of the autonomous vehicle using the plurality of batteries of the charging station in the first combination.

A portable power source includes a housing and a battery receptacle supported by the housing. The battery receptacle is configured to receive a battery. The portable power source also includes a first power tool battery pack port that is configured to receive a first power tool battery pack. The portable power source further includes a charging circuit coupled to the battery receptacle and the power tool battery pack, and an inverter. The charging circuit is configured to receive power from the battery receptacle and to provide power to the power tool battery pack port. The inverter includes a DC input coupled to the battery receptacle, inverter circuitry, and an AC output. The inverter circuitry is configured to receive power from the battery receptacle via the DC input, invert DC power received from the battery receptacle to AC power, and provide the AC power to the AC output.

A charging output protection circuit and a charging output protection method. The charging output protection circuit includes a battery pack, a charger, a hardware control unit, and a software control unit, the hardware control unit including a detecting circuit for detecting whether a voltage of the battery pack is normal, a first triode connected to the detecting circuit, and a first a relay, the first triode is configured to control the first relay to be switched off or on based on the detection result of the detecting circuit; the software control unit includes a single chip microcomputer, a communication circuit for communicating between the single chip microcomputer and the battery pack, a second triode and a second relay connected to the single chip microcomputer, and the second triode is used for controlling the second relay to be switched off or on based on the instruction of the single chip microcomputer.

An electronic watch includes a frame and a cover. The cover is attached to the frame, and the frame and cover at least partially define an interior volume of the electronic watch. An optical sensor assembly including a light emitter and a light receiver is positioned within the inter volume of the frame. An optical barrier is positioned between the optical sensor assembly and the cover and includes a magnetic material that forms a light blocking-wall between the light emitter and the light receiver. The magnetic material is configured to removably couple the electronic watch with a charging device via a magnetic attraction between the magnetic material and a magnetic component of the charging device.

The present invention relates to systems and methods for identifying, with an onboard Battery Identity Module (BIM), an advanced rechargeable battery sub-pack that is module or cell for the purpose of collecting data and information about the full battery life cycle including the origin of materials to manufacturing, service life, second life, and recycling. The granular data collected down to the cell level over the battery life cycle is collectively named as Battery Life Intelligence (BLI) and recorded under the BIM in an immutable cloud-based data lake.

An automated vehicle battery preconditioning system and method that receive battery state-of-charge and battery preconditioning time information from a vehicle battery management system of each of a plurality of vehicles and battery charging time and charging power information from a battery charger management system and, based on the information, generate a battery charging schedule and a battery preconditioning schedule for the plurality of vehicles; direct the battery charger management system to charge a battery of each of the plurality of vehicles according to the battery charging schedule; and direct the vehicle battery management system of each of the plurality of vehicles to precondition the associated battery according to the battery preconditioning schedule. The vehicle battery preconditioning system and method further receive power grid schedule and cost information and, based on the information, generate the battery charging schedule and the battery preconditioning schedule for the plurality of vehicles.