Correction for the weight of a Battery (AA)
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How heavy is 454.960 pennyweights?
It's about thirty times as heavy as a Battery (AA)
The weight of a Battery (AA) is about 15 pennyweights.
(Alkaline)
An "AA" size battery weighs 15 pennyweights. 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.