Patent ID: 8074888

Claim:
A portable electronic payment terminal, provided by a manufacturer, comprising: at least one removable battery, said removable battery carrying an electronic chip containing at least one item of identification information related to said battery; a contactless reader present in said terminal, said contactless reader being configured to communicate with chips equipping an electronic payment card, which receives said identification information from said battery; a transmitter, which transmits said identification information from said terminal to a control server when at least one of the events belonging to the following group occurs: said terminal is switched on; said terminal is switched off; a battery is inserted in said terminal; before a bank transaction from said terminal; at regular intervals; a receiver, which receives from said control server conformity information if said identification information belongs to a list of approved battery identification information updated by said manufacturer of said terminal and stored in said server; means for blocking said terminal, if said conformity information is not received.