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Authenticity of Maxell button battery

1. From the appearance of the battery, most of the negative electrode of the battery is plated yellow, which feels like gold plating. Rust spots are prone to appear on the bottom of the positive electrode shell.

2. From the battery logo identification, they belong to the four products without trademark, origin, production date, and inspection certificate. As long as you see the English BUTTCELL marked on the battery, it is fake.