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Old 12-03-07, 08:19 AM   #1
Porten2
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Light stops in cold weather?

Does anyone else have problems with their LED front lights working in cold weather? I ride in the city so the lighting is set to strobe for visibility (it's a Nashbar 3-LED light). I thought maybe it was the batteries, so I replaced them this morning and it worked for about a minute, then stopped. It worked fine once I was in the office. Anyone ever heard of them not working in 20F weather?
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Old 12-03-07, 08:55 AM   #2
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Might be the batteries going in the cold. Batteries don't like it - that's why mountaineering lights have battery packs on long leads, so the packs can be put inside clothing.
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Old 12-03-07, 08:57 AM   #3
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IT may also be moisture, if you store the light inside in the heat, then take them out to the cold the moisture will condense and possible cause and electrical issue.
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Old 12-04-07, 08:04 AM   #4
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I think it must have been the humidity. I opened it up and aired it out all day yesterday, and this morning I didn't have a problem. Thanks.
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Old 12-04-07, 08:55 AM   #5
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Not really. I have a Nashbar 5 LED light. It's a backup to my HID, so I don't use it all the time, but I run it on NiMH rechargables and certainly used it down to pretty cold temps last year (at least 0*F - I rode at -25*F but I couldn't tell you for sure that I used the LED then).
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Old 12-04-07, 08:41 PM   #6
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Thanks for the advice. I will have to try to air out my light. It has been very dim these last two days, but inside it is nice and bright. I just did a test run and the light stayed bright for 2 hours, where as on my commute this morning, when I got to work (40 minutes) the light was very dull.
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Old 12-04-07, 08:44 PM   #7
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I've seen way more of these types of posts than normal so far this year. I have never had any trouble with any battery other than my cell phone in temps down to -5F.
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