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Is 645.50 miligrams as heavy as a Battery (AAA)?

It's about one-twentieth as heavy as a Battery (AAA)
The weight of a Battery (AAA) is about 12,000 miligrams.
(Alkaline)
An "AAA" size battery weighs 12,000 miligrams. Batteries are named by the American National Standards Institute (ANSI) Committee C18 and AAA batteries were given their name because they were smaller than the "AA" and "A" size batteries which were invented first.
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