Notebook computer's power adapter and notebook computer thereof

The utility model discloses a notebook computer's power adapter, including body, power cord and joint spare, the power cord with this body coupling, joint spare set up in be used for on the body making with the notebook computer joint notebook computer's power adapter and notebook computer combine together. The utility model discloses a notebook computer's power adapter need not to make it change in carrying for notebook computer charges or when removing, can combine on notebook computer to prevent to forget and carry. And at non - charged state, its the heat dissipation support that can regard as notebook computer again to its service function has been increased.