To identify authentic button batteries, three aspects should be paid attention to:
1. Identify from the appearance of the battery. One side of the negative pole of this type of battery is mostly yellow plated, giving a feeling of "gold" plating. The bottom of the positive housing is prone to rust spots.
2. Identify from the battery logo. They have no trademark, no place of origin, no production date, and no inspection certificate. They only have "BUTTCELL" in English and "ボソセょょセょセょ" on the battery, giving people the illusion of being made in foreign countries.
3. Identify from the battery performance. Most alkaline manganese dioxide batteries have low capacity, usually less than the national standard 1.55V, and short service life; Easy to leak and corrode electrical appliances; The voltage load characteristic is poor, and the discharge curve of the battery shows a sharp downward slope; It is easy to produce gas expansion, which will cause the battery to "bulge"
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