Bidirectional power supply source circuit for iron battery mobile phone

The utility model provides a phone bi-directional power supplying source circuit of an iron cell for connecting the iron cell and the phone; the phone bi-directional power supplying source circuit comprises a power supplying input end of the iron cell, a power supplying output end of the phone, a voltage-boosting discharge switch, a voltage-reducing charge switch, a bi-directional direct current - direct current voltage boosting and reducing module, an electric-energy storing module and a detecting module; the voltage-boosting discharge switch is connected with the voltage-reducing charge switch in parallel; the power supplying input end of the iron cell, the detecting module, the electric-energy storing module and a parallel connecting circuit being composed of the voltage-boosting discharge switch and the voltage-reducing charge switch are sequentially connected with the bi-directional direct current - direct current voltage boosting and reducing module in series; the bi-directional direct current - direct