| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack capable of acquiring a state of a battery with ease.SOLUTION: A battery pack including a secondary battery in a housing, comprises: a communication part communicating with the other battery pack having the same configuration by short-range radio communication; a generation part, in a case where the communication part receives from the other battery pack a request signal for requesting information on a state of the secondary battery included in the own battery pack, generating response information including information on the state of the secondary battery on the basis of the request signal; and a controller making the communication part transmit the response information to a transmission source of the request signal, and transmit a request signal to a battery pack different from the other battery pack. |
