How long will a 9v battery power a 12v led?

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Ofelia Williamson asked a question: How long will a 9v battery power a 12v led?
Asked By: Ofelia Williamson
Date created: Thu, Jun 10, 2021 5:31 AM
Date updated: Thu, Jun 23, 2022 12:34 PM

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Similarly, how long will a 9v battery power an LED? Well-Known Member. one 9V battery will give you somewhere between 120 and 200 hours of illumination with the simplest circuit, a series resistor. With a good switching voltage converter circuit you should be able to get more than 600 hours.

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