Is 15.40 monme (匁) as heavy as a Battery (AA)?
It's about two-and-a-half times as heavy as a Battery (AA)
The weight of a Battery (AA) is about 6.40 monme (匁).
(Alkaline)
An "AA" size battery weighs 6.40 monme (匁). AA batteries came into common use during World War II and were given their name by the American National Standards Institute (ANSI) Committee C18 because they were smaller than the "A" size batteries which were invented first.
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