The delivered price is indeed amazing, and the batteries look fine.
I bought these because I wanted to replace an SR44. In the "product detail" section of the Amazon web site for this it says this:
Cross Reference: CR44,1131SO,SR44
However, from further research it seems that the 357A is not an equivalent of SR44, but a 357 would have been. Apparently the 'A' stands for Alkaline whereas the non-'A' part is a silver-oxide battery. They have the same size and shape, but there is a slight difference in initial voltage and the alkaline battery slowly decreases in voltage whereas the silver-oxide tends to keep its voltage constant and then dies quickly at the end of life. The 357 is better for demanding applications such as calculators.
Also, the batteries have no expiration date provided. The packaging says PD: and ED: 2 years (PD is blank ). I'm guessing PD stands for production date, and ED is the expiration date. But two years from a blank production date tells you nothing of the age. We can only hope that their claim of "new" and "fresh" batteries is correct.
So, undoubtedly great value for money, fast delivery, but dishonest and misleading information in the Amazon "Product Information" section and no date code on the packaging or battery means I give this a lower rating than I would have otherwise done.
Get more detail about 20 of AG13/357A Alkaline Button Cell Watch Battery.
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