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How to Calculate Flashlight Battery Life

How to Calculate Flashlight Battery Life

Determining potential battery life of a flashlight can be done one of two ways – you can either turn the light on and stand around until it turns off, or you can calculate it based on the power draw of the light and the capacity of the battery. From personal experience I can tell you that the latter is the easier, quicker and less boring. Math is hard, or at least for some of us it is. Finding accurate information…

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