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Aloft said:
I've got a ProPolymer 4AA LED, the one with 7 LEDs. Not sure if it's the "new" one that's resistered down or not (JohnK, if you know how to tell, please post or PM me. . . thanks).
This light is impressively bright. It also has a nice form factor, a nice switch with momentary on action, and an all around solid feel. Unfortunately, Streamlight does not recommend the use of Lithium batteries and says doing so will void the warranty. . . because I believe the light is unregulated, I use only alkalines, so it is not suitable for me in the glove box or earthquake kit. But if you use the light often around the house, I think you will be pleased with its output.
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I've been using lithium cells in my ProPolymer 4AA 7 LED for a long time now. The trick is to install a dummy cell plus THREE lithiums, NOT FOUR! /ubbthreads/images/graemlins/mad.gif Running on three lithium cells, the ProPoly is perhaps not quite as bright as with four fresh alkalines at first, but within maybe half an hour of use, the lithiums will be running brighter than alkalines, and will stay that way for quite a while. It's kind of a "poor man's regulator." /ubbthreads/images/graemlins/grin.gif
BTW, C. Crane used to stock some pretty nice dummy AA cells. The catch was that you had to order 10 of 'em... but they were only $1 each, so that wasn't a big deal. Unfortunately, I don't see them listed on their website anymore. /ubbthreads/images/graemlins/frown.gif
Anyway, even though I don't use my ProPoly as much these days, it holds a special place in my heart AND is hanging on the garage wall, ready and waiting for a call to service at any time. Loaded with 3AA lithiums, it's terrific! Consider: completely waterproof (not just weatherproof), virtually indestructible body, nice amount of even, floodsy light suitable for close inspection as well as outdoor use with dark-adapted eyes, tactical clickie tailswitch, long runtime in both hot and cold weather, no bulbs to blow, refillable with alkalines or even carbon zinc cells in an emergency, ergonomically easy to hold in the hand, and on the 3AA lithiums, the darned thing is so lightweight that it probably floats, too! /ubbthreads/images/graemlins/cool.gif
I probably forgot something in the above list! This is STILL a great light to have. /ubbthreads/images/graemlins/smile.gif
Oh yeah, lifetime warranty, too! /ubbthreads/images/graemlins/buttrock.gif
All this fun for what, about $20? /ubbthreads/images/graemlins/crackup.gif