| CPC B60L 53/65 (2019.02) [H01M 10/425 (2013.01); H01R 2201/26 (2013.01); H04B 5/20 (2024.01)] | 10 Claims |

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1. A bridge for connecting an external battery, comprising:
a connecting platform comprising an abutting surface opposite to a bottom surface;
an electrical connector disposed on the connecting platform and used to electrically connect to the external battery when the external battery abuts against the abutting surface;
a connection detector disposed on and extending through the connecting platform from the abutting surface to the bottom surface;
a wireless communication module disposed on the connecting platform and configured to receive a wireless signal from the external battery; and
a processing unit configured to:
carry out a verification process on information included in the wireless signal; and
allow the electrical connector to transmit power when the verification process on the information turned out to be true, wherein the verification process comprises determining whether a charging history data included in the information meets a standard for number of charging times,
wherein the connection detector comprises:
a detecting switch disposed on the connecting platform and extending from the abutting surface to the bottom surface.
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