| 摘要 |
An overall standard sized battery having a physical characteristic for differentiation between rechargeable and non-rechargeable types, and a corresponding feature in the battery cavity of an electronic device, such that the electronic device can discern this physical characteristic. A mechanical modification may be made to the standard size rechargeable batteries. This is detected by the electronic product, and enables the product to easily distinguish between standard primary batteries and rechargeable batteries having the same overall standard size dimensions. The product is configured to safely recharge only secondary batteries. Possible mechanical modifications to the battery include: the size and/or shape of the positive tip or the negative end of the battery; the cross-sectional shape of the barrel of the battery; an added notch or projection on the battery; and extension or shortening the length of the battery. Detection methods may be mechanical, optical, electrical or magnetic.
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