ELECTRICAL DEVICE
An electrical machinery and apparatus 1 has a first rechargeable battery 11, and a second rechargeable battery 12 different in characteristics from the first rechargeable battery 11 built therein, the electrical machinery and apparatus 1 including: a first charging circuit 13 charging the first rech...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | An electrical machinery and apparatus 1 has a first rechargeable battery 11, and a second rechargeable battery 12 different in characteristics from the first rechargeable battery 11 built therein, the electrical machinery and apparatus 1 including: a first charging circuit 13 charging the first rechargeable battery 11; and a second charging circuit 14 charging the second rechargeable battery 12. The second charging circuit 14 charges the second rechargeable battery 12 with an electric power supplied from an outside of the electrical machinery and apparatus 1, and the first charging circuit 13 charges the first rechargeable battery with both the electric power supplied from the outside of the electrical machinery and apparatus 1, and an electric power supplied from the second rechargeable battery 12. |
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