Abstract: A battery carrier apparatus includes a carrier housing, a plurality of compartments, at least one wheel, a control circuit and a status monitoring circuit. The carrier housing is configured to hold multiple battery modules. The plurality of compartments are disposed within the carrier housing. Each compartment is configured for detachably installing a respective battery module. The compartments provide secure housing for the battery modules. At least one wheel is disposed on the carrier housing. The wheel facilitates movement of the carrier housing allowing for transportation of the carrier housing. The control circuit is responsible for managing an operation of the battery modules installed in the compartments. The status monitoring circuit is coupled to the control circuit. The status monitoring circuit detects a status of the installed battery modules and communicates the status to the control circuit for determining a control behavior to manage the battery modules accordingly.

Abstract: A gardening apparatus includes a tool device and a battery module. The battery module is coupled to the tool device for supplying power to drive the tool device. The battery module includes a housing with a receiving cavity, at least one battery cell disposed within the receiving cavity, a power management module electrically connected to the at least one battery cell and at least one power interface electrically connected to the power management module and accessible from outside the housing. The power management module is configured to control power flow between the at least one battery cell and the at least one power interface.

Abstract: The disclosure relates to a technical field of power supply, in particular to a battery pack, a synchronous rectification control circuit and a switch power supply. The battery pack includes a housing, at least one battery cell string and a battery interface. The housing includes a housing cavity. The battery cell string is arranged in the housing cavity and includes a plurality of battery cells connected in series. The battery interface is used to connect with power tools with different working voltages. Wherein, through connecting different numbers of the battery cells in the battery cell string, the battery pack may output at least two voltages. The battery pack of the disclosure outputs at least two voltages through connecting different numbers of the battery cells in the battery cell string.

Abstract: A data interaction method and a system are applied for a data interaction between a battery pack and a power tool sharing a same physical communication channel for communication. One of the battery pack and the power tool has at least one communication mode and the other has at least two communication modes. When interacting data, the battery pack and the power tool perform an initial handshake communication. When the handshake communication between the battery pack and the power tool fails, one of the battery pack and the power tool with two communication modes switches a current communication mode to another communication mode. The battery pack and the power tool perform a secondary handshake communication. After the secondary handshake communication between the battery pack and the power tool is successful, the battery pack and the power tool transmit data to each other.

Abstract: The disclosure provides a battery pack management system, which includes a plurality of battery packs for supplying a power to a load, a plurality of battery interfaces, a plurality of switching units, a control assembly and a plurality of communication units. Each of the battery packs is electrically connected in parallel by the battery interfaces. The switching units are electrically connected to the battery interfaces and the battery packs through the battery interfaces are electrically connected to the switching units. The control assembly detects a voltage level of each battery pack and determines the battery packs having a first highest priority level through the voltage level detected. The communication unit is electrically connected to the battery packs and the load, and the switching units is closed by the control assembly through the information for supplying the power to the load by the battery packs having the highest priority level.

Abstract: A mower is provided and includes: a case; a charging circuit provided in the case, and a combination of a wheel assembly and a charging interface assembly arranged on the case. The combination is electrically connected to the charging circuit. The combination includes: a wheel assembly; and a charging interface assembly electrically connected to the charging circuit. The wheel assembly and the charging interface assembly are integrated molding structure.

Abstract: The disclosure provides a battery management system and a battery pack. The battery management system includes at least two analog front-end chips and a control unit. The analog front-end chip is configured to acquire an output voltage, an output current, or a working temperature of a battery. And the control unit controls the analog front-end chip to be powered on and down. When any analog front-end chip is awakened by an external interference signal, the analog front-end chip directly or indirectly supplies power to the control unit to enable the control unit to work, and then the control unit sends a power-down signal to the analog front-end chip to power the analog front-end chip down.

Abstract: The disclosure provides a bus module, a cascade module, and a bus module control method. The bus module includes an input unit, an output unit, a switching unit, and a control unit. The input unit includes at least one input branch which includes an input interface electrically connected to a peripheral power supply to obtain power output by the peripheral power source. The output unit is provided with an output branch, and the output branch is provided with an output interface to output power obtained by the input unit. One end of the switching unit is connected to the input unit, and the other end of the switching unit is connected to the output unit. And the control unit controls the switching unit to work to control the on-off between the input branch and the output branch.

Abstract: The invention provides a voltage balancing system for voltage balancing. The voltage balancing system includes an analog front end arranged in parallel with the cell group, a micro control unit communicating with the analog front end, a communication isolation module connected between the analog front end and the micro control unit, and a balancing module. The input of the balancing module is connected to the cell group to input the total voltage of the cell group. The output of the balancing module is connected to the micro control unit and the communication isolation module to output the operating voltage of the micro control unit and the communication isolation module.

Abstract: The disclosure provides a power tool, a detection circuit and a detection method of a load state thereof. The detection circuit of the power tool includes: a main control unit, a sampling resistor, a voltage sampling unit and an alarm display unit. The sampling resistor is arranged on a driving loop of a motor. The voltage sampling unit is used to sample a voltage across the sampling resistor. The alarm display unit is connected with the main control unit. The main control unit is configured to control the alarm display unit to execute a preset display state according to a voltage signal across the sampling resistor sampled by the voltage sampling unit.

Abstract: The disclosure provides a communication and interaction method and a communication and interaction system using the communication interaction method. The communication and interaction method for communicating and interacting between an electric unit and a power supply unit, including: providing a communication module between the power supply unit and the electric unit; the power supply unit sends a first identification information to the electric unit through the communication module; the electric unit parses the first identification information through the communication module; and the communication module, on the basis of its own communication structure, matches a communication mode and a communication protocol which are applicable to the power supply unit and the electric unit at the same time, such that the communication between the electric unit and the power supply unit is established.

Abstract: A safety device comprises a first heat dissipation part, a second heat dissipation part and a connecting part. The connecting part is arranged between the first heat dissipation part and the second heat dissipation part, and at least one heat locking hole disposed thereon. The heat locking hole of the connecting part can reduce a diffusion speed of heat of the connecting part, so that the heat is concentrated between the first heat locking hole and the second heat locking hole, and thus the connecting part can be fused in time at a high temperature.

Abstract: The disclosure provides a battery pack, a power tool system and a charging system. The battery pack includes a battery pack housing in which a battery cell assembly and a circuit board are mounted. The circuit board is electrically connected with the battery cell assembly. A plurality of Type-C connectors are arranged on the circuit board and electrically connected to the circuit board to realize an electrical connection between the battery cell assembly and the Type-C connectors, and are configured to connect external devices.

Abstract: The invention provides a voltage balancing system for balancing controlling of voltage of battery cells including a first set of battery cells and a second set of battery cells connected in series. The system includes a high-side analog front end (AFE) connected to the first set of battery cells, a low-side analog front end (AFE) connected to the second set of battery cells, a microcontroller communicating with the high-side AFE and the low-side AFE, and a communication isolating module interconnecting between the high-side AFE and the microcontroller. The system further includes a balancing module arranged at a back end of the low-side AFE or the high-side AFE to equalize voltages output by the low-side AFE and the high-side AFE. Compared with the prior arts, the system employs a balancing module to balance the voltages of the two sets of battery cells, which can shorten the voltage difference therebetween.

Abstract: A battery pack is provided. The battery pack includes a housing, a plurality of battery sets arranged in the housing, and a power supply system. The power supply system includes a switch control circuit for controlling a series-parallel connection mode of the plurality of battery sets, a main control chip for controlling the discharge of the plurality of battery sets by the switch control circuit, a wake-up circuit for waking up the power supply system of the battery pack when the main control chip receives a wake-up signal, a self-locking circuit connected to the switch control circuit which switches to a disabled state when the self-locking circuit is triggered; and a USB circuit and an extended power output interface, connected to the plurality of battery sets for outputting power to charge external devices.

Abstract: The invention provides a voltage balancing system for balancing controlling of voltage of battery cells including a first set of battery cells and a second set of battery cells connected in series. The system includes a high-side analog front end (AFE) connected to the first set of battery cells, a low-side analog front end (AFE) connected to the second set of battery cells, a microcontroller communicating with the high-side AFE and the low-side AFE, and a communication isolating module interconnecting between the high-side AFE and the microcontroller. The system further includes a balancing module arranged at a back end of the low-side AFE or the high-side AFE to equalize voltages output by the low-side AFE and the high-side AFE. Compared with the prior arts, the system employs a balancing module to balance the voltages of the two sets of battery cells, which can shorten the voltage difference therebetween.

Abstract: The present disclosure provides a battery pack power supply system and a battery pack power supply method.

Abstract: A robotic tool system includes a robotic tool and a navigation control device. The robotic tool system is used to move in a working area and perform a work task. The navigation control device is detachably connected with the robotic tool and includes a navigation assembly, a planning assembly and a communication assembly. The navigation assembly is used to receive a position signal of the robotic tool and/or the navigation control device. The planning assembly is used to obtain a path map of the working area by fitting according to the position signal. The communication assembly is connected with the robotic tool, transmits the path map to the robotic tool, controls the robotic tool to run in the working area according to the path map and performs corresponding task or return to a charger station to realize an automatic charging connection.

Abstract: The disclosure provides a battery pack, a tool system, a charging system, an adapter and using methods thereof. The battery pack comprises a battery assembly, a charging assembly and a discharging assembly. The charging assembly matches the battery assembly to charge the battery assembly by an external power source. The discharging assembly matches the battery assembly to supply power to the electric equipment through the battery assembly. The discharging assembly comprises a discharging coil and a discharging integration module matched with the discharging coil, so that the battery assembly outputs electrical energy through the discharging assembly in a non-contact manner.

Abstract: A battery pack charging and discharging protection system comprises a battery pack and a power input controlling circuit connected with the battery pack. The system has a voltage regulator unit and a charging and discharging protection unit. The protection unit includes a coupling wake-up circuit, a power-off acceleration circuit, an MCU self-locking circuit and a button detection circuit. The coupling wake-up circuit is connected with the power input controlling circuit. The power-off acceleration circuit is connected with the coupling wake-up circuit. Compared to the conventional technology, the present invention adopts single-wire compatible communication and coupled wake-up mode to achieve the autonomous power-off of the battery pack in time, avoiding over-discharge of the battery caused by the long-term self-consumption of the battery pack.