Abstract: The present application relates to a voltage drop circuit assembly of a lithium battery and a 1.5V lithium battery. The voltage drop circuit assembly includes a PCB, an outer conductive cap and an inner conductive cap, a front surface of the PCB is provided with a positive copper ring and a negative copper ring, the positive copper ring is electrically connected with the outer conductive cap, the outer conductive cap is used as a low-voltage output positive electrode, the negative copper ring is used as a common negative electrode, a back surface of the PCB is provided with a high-voltage input copper ring, the high-voltage input copper ring is electrically connected with the inner conductive cap, and the inner conductive cap is used as a high-voltage input positive electrode.

Abstract: The present application relates to a voltage-reduced lithium battery and a manufacturing method thereof. The voltage-reduced lithium battery includes a circuit assembly, a plastic frame, a wound battery core assembly, a first metal housing, a second metal housing, an insulating seal and an insulating sheath, wherein the circuit assembly and the plastic frame are arranged in the first metal housing, the wound battery core assembly is arranged in the second metal housing, the first metal housing and the second metal housing are in vertical butt connection and fixed by circumferential welding, the insulating seal is configured to seal the second metal housing, and the insulating sheath covers the first metal housing and the second metal housing.

Abstract: The present application relates to a 1.5V lithium battery. The lithium battery includes a circuit assembly, a plastic frame, a wound battery core assembly, a first metal housing, a second metal housing, a first insulating seal and an insulating sheath. The wound battery core assembly is arranged in the second metal housing, the first metal housing and the second metal housing dock with each other and fixed by circumferential welding, and the circuit assembly includes a PCB, a low-voltage positive cap, a high-voltage positive connecting piece and a negative elastic piece. In the present application, the circuit assembly can stably output a low voltage of 1.5V.

Abstract: This application provides a card sharing method, an electronic device, and a communications system. The method includes: displaying an interface of a first application in response to a first operation of a user, where a first card is displayed on the interface of the first application, the first card includes a first card module and a second card module, and interface resources of the first card are provided by a second application; sending a second message to a third application in response to a second operation of the user, where the second operation is associated with the first card module, and the second message includes an identifier of the first card module; and displaying an interface of the third application, where the first card module is displayed on the interface of the third application, and interface resources of the first card module are provided by a fourth application.

Abstract: A card rendering method includes that an electronic device sends a request for obtaining related information of a target card to a server, and receives related information that is of a target card and that is sent by the server. The electronic device renders the target card based on a first layout snapshot, displays the target card on a display screen, parses a first file package set of the target card to obtain a second rendering instruction set, selects a rendering instruction in the second rendering instruction set other than a first rendering instruction set, renders again the target card according to the selected rendering instruction, and updates the target card displayed on the display screen.

Abstract: This application provides a card sharing method, an electronic device, and a communications system. The method includes: displaying an interface of a first application in response to a first operation of a user, where a first card is displayed on the interface of the first application, the first card includes a first card module and a second card module, and interface resources of the first card are provided by a second application; sending a second message to a third application in response to a second operation of the user, where the second operation is associated with the first card module, and the second message includes an identifier of the first card module; and displaying an interface of the third application, where the first card module is displayed on the interface of the third application, and interface resources of the first card module are provided by a fourth application.

Abstract: A card rendering method includes that an electronic device sends a request for obtaining related information of a target card to a server, and receives related information that is of a target card and that is sent by the server. The electronic device renders the target card based on a first layout snapshot, displays the target card on a display screen, parses a first file package set of the target card to obtain a second rendering instruction set, selects a rendering instruction in the second rendering instruction set other than a first rendering instruction set, renders again the target card according to the selected rendering instruction, and updates the target card displayed on the display screen.