Of course, the 65w mobile phone with 120w not only does not change, but also causes some damage to the mobile phone, 65w mobile phone can not use 120w fast charge, this is because the rated power and rated voltage of 65w mobile phone are smaller than the rated power and rated voltage of 120w fast charge, the rated power and rated voltage of both do not match. If you charge a 65w mobile phone with a 120w fast charge, the 65w mobile phone battery will explode, so the 65w mobile phone can not be charged with a 120w fast charge.