答：Unused battery anode surface of water droplets...
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SR626Button batteries
Model：SR626
Introduction：SR626 battery and battery or domain name AG4 LR626 batteries. Mainly used in toys, flashlights, watches, electronic watches, movement, electronic gifts, electronic calendar, ear hearing aids, calculators, instruments. Medical equipment, flashing lights, alarm system....
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SR621Button batteries
Model：SR621
Introduction：SR621 battery and battery or domain name AG1 LR621 batteries. Mainly used in toys, flashlights, watches, electronic watches, movement, electronic gifts, electronic calendar, ear hearing aids, calculators, instruments. Medical equipment, flashing lights, alarm system....
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AG8Button batteries
Model：AG8
Introduction：AG8Button batteries Another name for the LR1120 batteries or 381 batteries. Mainly used for light-emitting toys, flashlights, watches, electronic watches, movement, electronic gifts, electronic calendar, ear hearing aids, calculators, instruments. Medical equipment....
AG7Button batteries
Model：AG7
Introduction：AG7Button batteries Another name for the LR927 batteries or 395 batteries. Mainly used in toys, flashlights, watches, electronic watches, movement, electronic gifts, electronic calendar, ear hearing aids, calculators, instruments. Medical equipment, flashing lights....
AG5Button batteries
Model：AG5
Introduction：AG5Button batteries Another name for the LR754 batteries or 393 batteries. Mainly used in toys, flashlights, watches, electronic watches, movement, electronic gifts, electronic calendar, ear hearing aids, calculators, instruments. Medical equipment, flashing lights....