Charger for mobile phone and operation method for the same and charging apparatus for mobile phone and charging method for the same

A charger for mobile phone provided with a power input portion (12), a switching power source portion (1) to which electric power is supplied by the power input portion (12), a control portion (2) having a micro-computer logic circuit (25) and supplied with electric energy by the switching power source portion (1), a capacitor portion (3) having plural electric double-layer capacitors (4) to accumulate the electric energy supplied by the control portion (2), a feedback circuit (5) transmitting charging state of the electric double-layer capacitors (4) to the control portion (2), and an output portion (6) to supply the electric energy accumulated in the electric double-layer capacitors (4) to a battery (8) of a mobile phone (10) with constant voltage.