| 摘要 |
The present invention relates to a battery device, a battery management system, and a battery management method which can facilitate management of a battery. A battery device 11 includes a battery 51, an IC chip 53, and a direct-current blocking section 52. The direct-current power of the battery 51 is outputted via power lines 17, 18. By the IC chip 53, stored battery information is outputted via the power lines 17, 18 by load-modulating an alternating-current signal exchanged via the power lines 17, 18. By the direct-current blocking section 52, the direct-current power outputted via the power lines 17, 18 is blocked from being inputted to the IC chip 53. A voltage generating section 151 that is connected in parallel with the IC chip 53, and supplies a voltage generated by the alternating-current signal exchanged via the power lines 17, 18 to the IC chip 53 can be provided. The present invention can be applied to an electronic apparatus.
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