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Is 489.450 monme (匁) as heavy as a Battery (D)?

It's about thirteen-and-a-half times as heavy as a Battery (D)
The weight of a Battery (D) is about 36 monme (匁).
(Alkaline)
A "D" size battery weighs 36 monme (匁). The D size battery is the oldest of the modern battery sizes, first invented by the National Carbon Company in 1898.
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