Abstract: A wireless charging smart heating cup. The upper end of the cup body comes with a rotating cup mouth, which is provided with a floating cup stopper. The lower end of the cup body comes with a silicone cover. A battery and a heating piece are arranged between the cut body and the silicone cover. A rotating heating switch is arranged on the silicone cover, a chassis is arranged below the silicone cover, a wireless filling coil and a circuit board are arranged in the chassis, a display screen is arranged on the outer side of the chassis, the display screen is connecting with the chassis.

Abstract: A battery for use in an electronic device having a user-accessible battery compartment, including a connection module accommodatable in the battery compartment, and an extension module attached to and in electrical connection with the connection module. The extension module is larger than the battery compartment, such that, when the battery in installed, the connection module is disposed in the battery compartment, and the extension module covers the battery compartment and a portion of the electronic device other than the battery compartment.

Abstract: A battery for use in an electronic device having a user-accessible battery compartment, including a connection module accommodatable in the battery compartment, and an extension module attached to and in electrical connection with the connection module. The extension module is larger than the battery compartment, such that, when the battery in installed, the connection module is disposed in the battery compartment, and the extension module covers the battery compartment and a portion of the electronic device other than the battery compartment.