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How long does a 3v cr2032 battery last?

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How long does a 3v cr2032 battery last?

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How long does the Lithium 3V CR2032 Coin Cell Battery last? A typical LED uses about 20mA and the capacity of a CR2032 Coin Cell is 200mA. See below for a battery life estimate: Number of LED(s) in one circuit: 1 - Battery life: 10 hours.

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