2xR123 on a Surefire U2?

grnamin

Enlightened
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Nov 6, 2000
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959
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Someone posted that putting 2xR123s in a U2 makes it run in its highest level regardless of what level you dial to. May not be good for the light.
 

Haesslich

Flashlight Enthusiast
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Nov 2, 2003
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Canada
From what I recall of that post, it put the light into direct-drive, or so it seemed, bypassing the circuits entirely. Dunno if burning out the LED that way is covered under warranty. /ubbthreads/images/graemlins/grin.gif

And I don't think you'd get enough voltage with a dummy cell in there. The Pilas seem to work okay, though.
 

K-T

*Moderator*
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Mar 7, 2002
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Why don't you just use Pilas or similar cells? Don't they have more juice anyway? /ubbthreads/images/graemlins/thinking.gif
 
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