LEAD DEVICE, ATTACHMENT TOOL, POWER SUPPLY SYSTEM, AND POWER SUPPLY METHOD

摘要

[Problem] To reduce the burden of electronic device charging operations on an owner. [Solution] Provided is a lead device which is provided with: a lead part provided with a lead; and a lead connection part which is provided to the lead part, is provided with a mechanism capable of coupling with an external device, and electrically connects the lead part to the external device via a point coupled with the external device.