Abstract: An electrical connection device is provided which comprises: a first wire port comprising a first terminal and a second terminal; a second wire port comprising a third terminal and a fourth terminal; a switch assembly being electrically coupled between the first wire port and the second wire port, wherein the switch assembly comprises a first switch operable to couple the first terminal to the third terminal or the fourth terminal, a second switch operable to couple the second terminal to the third terminal and a third switch operable to couple the second terminal to the fourth terminal; a polarity detecting unit configured to detect a first polarity between the first terminal and the second terminal and a second polarity between the third terminal and the fourth terminal and generate a first polarity signal and a second polarity signal respectively; a main processing unit configured to receive the first polarity signal and the second polarity signal to control the switch assembly.

Abstract: The present application relates to a power supply device and a power supply method for providing electric energy to a target system. The power supply device includes: a first controller which is configured to receive an external signal or instruction, and to generate a power supply control signal; and a first option switch which is configured to receive the power supply control signal, and to establish a connection between at least one energy storage module and the target system in order to selectively output electric energy to the target system with one or more predetermined voltage; wherein when the electric energy to be output by the power supply device is a first predetermined voltage, a first energy storage module of the at least one energy storage module is connected with the target system.

Abstract: The present invention discloses an emergency power supply system for supplying power to an external device, comprising: an emergency power supply and a battery clamp connected to the emergency power supply. The connection between the battery clamp and the emergency power supply comprises communication connection, by which the battery clamp can obtain parameters of the emergency power system, and perform corresponding actions based on the parameters. In another aspect, the present invention provides a method for managing the system. The system and method can effectively prevent the problems of the lithium batteries resulted from large starting electric current, high temperature and over-charging or over-discharging.

Abstract: A power supply apparatus and method for providing electric energy to a target system are provided. The power supply apparatus includes: a capacitor module configured to store electric charge and provide electric energy to a target system based on the stored electric charge; an internal battery module configured to be operably connected with the capacitor module in series; and an output interface configured to couple the internal battery module with the capacitor module. The internal battery module and the capacitor module provide electric energy to the target system in controllable series connection through the output interface.

Abstract: The present invention provides a battery clamp, comprising: a first and second wire clamps and a control device. Each of the first and second wire clamps is electrically connected to the control device. The control device comprises: a housing; a master-control board mounted within the housing; and connectors disposed at one side of the housing, and being electrically connected to the master-control board, comprising: at least a first and second electrode connectors, which are connected to an external power supply for receiving power, and at least one communication connector connected to the external power supply for building a communication connection between the battery clamp and the external power supply. The battery clamp is communicatively connected to the external power supply by the communication connector, thereby effectively solving the problems of a lithium battery in an external power supply e.g. battery bulge or explosion resulted from improper uses.

Abstract: The application discloses a mobile power pack, a power control circuit and an electrical connection device. The power control circuit comprises: a voltage detecting module configured to detect a voltage of an external power source and generate a voltage detection signal indicative of the voltage of the external power source; a control module configured to receive the voltage detection signal and generate a coupling control signal according to the voltage detection signal; a coupling module configured to operably couple a first power source and a second power source, receive the coupling control signal, and in response to the coupling control signal change the way the first power source is coupled with the second power source to control the first power source and the second power source coupled together to output electric energy under different output voltages.

Abstract: The present invention relates to a hybrid battery. The hybrid battery has a housing, a first energy storage device, a second energy storage device, a detection control circuit, an stabilizer circuit, and a charging circuit connected between the first energy storage device and the second energy storage device. Negative terminals of the first energy storage device and of the second energy storage device are coupled to a negative pole. A positive terminal of the first energy storage device is connected to a first fixed contact of a relay. A positive terminal of the second energy storage device is connected to a second fixed contact of the relay. The detection control circuit is connected to a coil of the relay. An input terminal of the relay is coupled to a positive pole. The first energy storage energy, the second energy storage energy, the detection control circuit, the stabilizer circuit, the charging circuit, the relay are disposed within the housing.

Abstract: An emergency power source comprises a housing. A battery pack (4) is arranged in the housing for storing electric energy. The input end of the battery pack (4) is connected to a charging circuit (1) for charging the battery pack (4) and the output end of a solar energy panel input circuit (2), the output end of the battery pack (4) is connected to a heavy-current output circuit (7) for outputting a heavy current when an automobile starts, and an external battery intelligent detection system (6) is connected between the battery pack (4) and the heavy-current output circuit (7). The emergency power source is convenient for charging, can output a heavy current for starting an automobile, and can also accurately control heavy-current output.

Abstract: There discloses a battery protection device. The battery protection device has a housing, a shunt device (4) disposed within the housing, and a positive connecting terminal and a negative connecting terminal coupled to a battery. The shunt device comprises an energy storage apparatus (1), a stabilizing circuit (3) for stabilizing the voltage of the energy storage device, and a voltage detection and display device (2) for feeding back in real time a terminal voltage of the energy storage device. The energy storage device is coupled in parallel with the stabilizing circuit and the voltage detection and display device. The positive connection terminal is coupled to a positive terminal of the energy storage device; and the negative connecting terminal is coupled to a negative terminal of the energy storage device. A battery device comprises a battery, said battery is provided with poles, and further comprises the battery protection device.

Abstract: A portable backup charger includes a set of batteries; a charging circuit; a charge-discharge protection circuit; multiple DC-DC voltage adjusting circuits including a DC-DC 19 V-output boost circuit, a 12 V output circuit, and a DC-DC 5 V-output buck circuit; a MCU circuit; a 12 V output circuit outputting a current in the range of 100 A to 400 A; and a 150 A-250 A fuse. The set of batteries is composed of lithium iron phosphate batteries and lithium cobalt oxide batteries. The 12 V output circuit outputting a current in the range of 100 A to 400 A is directly connected to the set of batteries without interference with the charge-discharge protection circuit. The charger is convenient for carrying, and is capable of providing power for different electrical instruments including for an automobile.

Abstract: A portable backup charger includes a set of batteries; a charging circuit; a charge-discharge protection circuit; multiple DC-DC voltage adjusting circuits including a DC-DC 19 V-output boost circuit, a 12 V output circuit, and a DC-DC 5 V-output buck circuit; a MCU circuit; a 12 V output circuit outputting a current in the range of 100 A to 400 A; and a 150 A-250 A fuse. The set of batteries is composed of lithium iron phosphate batteries and lithium cobalt oxide batteries. The 12 V output circuit outputting a current in the range of 100 A to 400 A is directly connected to the set of batteries without interference with the charge-discharge protection circuit. The charger is convenient for carrying, and is capable of providing power for different electrical instruments including for an automobile.

Abstract: There discloses a battery protection device. The battery protection device has a housing, a shunt device (4) disposed within the housing, and a positive connecting terminal and a negative connecting terminal coupled to a battery. The shunt device comprises an energy storage apparatus (1), a stabilizing circuit (3) for stabilizing the voltage of the energy storage device, and a voltage detection and display device (2) for feeding back in real time a terminal voltage of the energy storage device. The energy storage device is coupled in parallel with the stabilizing circuit and the voltage detection and display device. The positive connection terminal is coupled to a positive terminal of the energy storage device; and the negative connecting terminal is coupled to a negative terminal of the energy storage device. A battery device comprises a battery, said battery is provided with poles, and further comprises the battery protection device.