A mobile phone including a covering lid, a body, a battery and a battery lid is provided according to the invention. Of which, the body is a mono-block casting with an opening section on the top, while the covering lid is coupled to the body via a first hinge such that the covering lid can be flipped to open from or flipped to close towards the body; the battery is installed inside the body and is loaded into or unloaded from the body via the opening section; the battery lid, which is installed on top of the opening section to hold the battery, is coupled to the body via a second hinge such the battery lid can also be flipped to open from or flipped to close towards the body. In practice, the battery lid can be a keypad module of the mobile phone, while the first and the second hinge can be situated at the same side either having respective axes or sharing the same axis. Moreover, the mobile phone can further include a circuit board which is installed between the battery and the body.