A solid wheel comprises a wheel rim and a rubber tire. An internal and an external rings are formed between left and right lateral surfaces of the wheel rim. The internal ring's external periphery is provided circularly with a plurality of axially-extended...

A lithium battery core and shell structure comprises a shell body, a first terminal component and a second terminal component are respectively connected above a cover plate of the shell body, an anode tab and a cathode tab are respectively connected below ...

An integrated wheel and an electric scooter using the wheel are disclosed. The electric scooter comprises an operation level and a footrest. The operation lever is provided with a front wheel at a lower end thereof. The footrest is provided with a rear whe...