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Candle Power Flashlight Forum
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This runtime plot is for an ARC AAA withan Infra Red LED. This led generated no light that is visble to the eye, but the photocell is quite sensitive to detecting IR. at the end of 16 hours the AAA IR was still emitting infra red radiation.
Equipment used is a photocell and a Radio Shact 22-805 multimeter with a PC interface that is using ScopeView software (V1.08).
The vertical axis is in MA and the horizontal axis is 30 minutes per division.
Be aware that you actual battery mileage may vary from that indicated by this runtime plot.