省钱了:如何不守规矩替换不一样大小的纽扣电池?

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省钱了:如何不守规矩替换不一样大小的纽扣电池?

This will help you to save money if you have some batteries of a different size that you bought for some other product that you no longer own. No one wants to waste them.

more details can be found here

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