LED Lenser - H7.2 Headlamp dimmer question?

eyesonfire

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Jun 23, 2012
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I am looking to buy a LED Lenser H7 headlamp that uses a variable potentiometer style dimmer.
My question. When used with a lower setting, will battery life be the same as if it were used at full brightness? Does the dimmer just waste the energy as heat when in a lower setting? Thanks in advance..
 
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