BATTERY AND ELECTRONIC DEVICE

Disclosed are a battery and an electronic device, including a housing, a sealing cover, and a battery cell. The housing has an accommodation cavity, and the battery cell is located in the accommodation cavity. The housing is provided with a liquid injection hole. An upper surface of a peripheral edge of the sealing cover is provided with a first step, and the first step divides the sealing cover into a first cover area and a second cover area. The thickness of the second cover area is less than or equal to a thickness of the housing at a seal-welding position with the second cover area. The battery provided in embodiments of the present disclosure has good seal-welding performance, to resolve problems of low battery yields, difficulty in mass production, and failure to achieve expected safety and stability due to poor seal-welding performance.