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Subject:Re: 2 LEDs
From:Mike S
Date:Tue, 18 Sep 2007 22:08:51 -0400

At 08:14 PM 9/18/2007, vanagonvw wrote...
>Mike S wrote:
>>
>>Driving LEDs in series is highly desirable for battery operated
>>applications, since otherwise a lot of efficiency is wasted as heat
>>when using low cost linear buck regulators.
>
>
>Heat? You worry about heat in a low power device? You worry about
>wasted
>power when referring to milliamps?

It's not heat that's the problem, but the difference between using 700
mA to drive 3 high power LEDs in series, and 2.1A to drive them
individually. That's the difference between 71 hours and 24 hours of
battery life when using a 50AH Optima 34 battery, not even considering
other powered devices.

>I am not even the one you are talking to, and you are pissing me off
>with your holier than thou attitude. Let it go. If this is where you
>come to boost your self esteem, you have personal issues to work out.

An ad hominem attack? *PLONK*