Portable charger for electronic devices and corresponding charging method

The invention relates to a portable charger for electronic devices (2) and to a corresponding charging method for recharging a DC battery (B2) of a portable electronic device (2) by means of a portable charger (3). The portable charger has a seat (5) for hosting at least a portion of said portable electronic device (2) and a source battery (B1) and a first coil (L1) of a transformer (6) are hosted in said portable charger (3). A secondary coil (L2) of the transformer (6) is hosted inside the portable electronic device (2) so that the first and secondary coils (L1, L2) being contactless coupled to charge said DC battery (B2) through the charge of said source battery (B1} when the portable electronic device (2) is hosted on the portable charger (3).