Measured & Theoretical Run Times, whats the difference?
If you are shopping around and a manufacture is not telling you the “true” run time, your time between battery charges will probably be quite a bit shorter than expected. Theoretical burn times will always be longer than measured run times. It’s for that reason that they will be more likely to end up in print. The “why” has to due with manufacturer battery ratings and electronic inefficiencies. But tech-jargon aside, the gap between the two figures should be your main concern as this gap can be quite big! An example: For our own light we can calculate theoretical run times using manufacturer battery data (2500mAh/14.8 Volts) at a specific LED power level. Our “theoretical” run time calculates out to 3 Hours – 15 minutes. Running at the same power level the actual “measured” time yields 2 Hours – 20 minutes. That’s a difference of almost 1 full hour! Thus, when comparing the burn-time of different lights make sure you’re comparing the same type of number.
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