Pelican M6 battery vent hole?

jhitch · Jul 26, 2007

So I recently purchased a Pelican M6 2390 here on the forums. I noticed that under the lower o-ring that sits just below the head (the one that seems to be there for grip or GITD replacement) there is a small hole (<1mm) that goes through to the battery compartment.

Is this for venting purposes? I just read a bunch of the threads on Li battery explosions and this would seem to prevent the 'pipe bomb' effect.

Any ideas?

ghostguy6 · Jul 26, 2007

Yes, that is the vent whole. Just make sure you keep that O ring lightly greased and you will never have a problem with water getting into your light through that hole. There is a huge thread on the lithium batteries exploding that discusses the reassoning behind the hole.

BBL · Jul 26, 2007

The o-ring covers the hole only partially - i would worry about water resistance.

On my M6, i covered that hole with silicone.

Illum · Jul 26, 2007

apparently pelican decided to sacrifice water resistance to prevent the scenario of a loaded pipebomb... :shrug:

why can't pelican use something like the relieve valve on the Streamlight Propolymer?

ghostguy6 · Jul 26, 2007

I accidently dropped mine into a puddle and didnt realise if for about 5 minutes and there was no water in it when i opened it up it was bone dry inside. I think as long as you keep the oring lubericated it is water resistant, I wouldnt take it diving though

chesterqw · Jul 27, 2007

Illum_the_nation said:
apparently pelican decided to sacrifice water resistance to prevent the scenario of a loaded pipebomb... :shrug:

why can't pelican use something like the relieve valve on the Streamlight Propolymer?

they have the valve on the pelican polymer versions BUT BUT BUT not the metal ones.

maybe because integrating one in metal would be a PITA?

Illum · Jul 27, 2007

chesterqw said:
they have the valve on the pelican polymer versions BUT BUT BUT not the metal ones.

maybe because integrating one in metal would be a PITA?

i suppose...on the metal lights something like the vent hole on these newais
http://www.flashlightreviews.com/reviews/nuwai_alx-352_alx-032.htm :nana:

chesterqw · Jul 28, 2007

i don't think those can even survive a 1m deep pool. let alone X>50meters.

Illum · Jul 29, 2007

<1mm...mmm
if theres only one opening...water wouldn't leak in unless the air inside flows out somewhere else. I think it might be possible that pelican uses internal air pressure to keep water out

Pelican M6 battery vent hole?

jhitch

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ghostguy6

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BBL

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Illum

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ghostguy6

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chesterqw

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Illum

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chesterqw

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Illum

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