摘要 |
Rechargeable battery (4) for mobile, personal devices, such as mobile telephones, smartphones, PDAs or E-readers, which have an internal antenna (1, 9) for electromagnetic near-field communication by means of RFID, NFC or similar standards. The rechargeable battery has an intermediate antenna (2), which communicates contactlessly with the internal antenna (1 or 9), and an external antenna (3), which is connected to the intermediate antenna (2) and communicates towards the outside, wherein the intermediate antenna (2) and the external antenna (3) are applied to two opposite side surfaces of the preferably exchangeable rechargeable battery (4), and the intermediate antenna (2) is arranged in the communication range of the internal antenna (1) when the rechargeable battery has been inserted into the mobile device. The intermediate antenna (2) and the external antenna (3) and the connecting lines (5) thereof are integrated into a label (6) applied to the rechargeable battery (4). |