| 摘要 |
The battery charger of the present invention is provided with a printed circuit board in a case. A transformer, the primary side components, the secondary side components are fixed in the printed circuit board. The transformer insulates the surface by the insulating case. In the printed circuit board, using the transformer as border, the primary side components are set on one side and the secondary side components are set on the other side. The transformer isolates the primary side components and the secondary side components.
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