Concerns ahead of my commute - lights

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dodd82

Well-Known Member
I recently bought the Magicshine MJ-808 as my front light, which comes with a battery pack.

I'm sitting here watching the rain lash down and worrying about whether this will damage my light? The journey home will be, in part, on dark country lanes, so if it stopped working then I'd be in quite a lot of trouble!
 

baldycyclist

Veteran
Location
Sunderland
always have a little backup - also - you should put some vazzzz in the joints
~I dont have a magic so I am really jealous
 
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dodd82

dodd82

Well-Known Member
Okay, thanks.

I am at work now, so no opportunity for vaseline or spare lights, but hopefully it will get me through tonight anyway!
 

Davidc

Guru
Location
Somerset UK
The answer is to keep the water out. It doesn't matter how. Same for any other electrical kit that is outdoors or likely to get wet.

Water can get in wherever there's a gap, seam, screwhole etc. etc.

My preferred way of keeping it out is silicone grease (LINK) on seals, wiring access points, case joints and anywhere else water might get in. Other people on here seem to find silicone sealants effective.

I've used the grease for as long as I can remember and I have never had a problem with water getting into any light.

The grease has a date on it - I am using a tube I found at the bottom of a box when tidying up, dated Dec 1986. I got caught in the deluge a few weeks back and it still seems to be working!

Beware of vaseline on plastics and rubber seals, it attacks some types.
 

baldycyclist

Veteran
Location
Sunderland
The answer is to keep the water out. It doesn't matter how. Same for any other electrical kit that is outdoors or likely to get wet.

Water can get in wherever there's a gap, seam, screwhole etc. etc.

My preferred way of keeping it out is silicone grease (LINK) on seals, wiring access points, case joints and anywhere else water might get in. Other people on here seem to find silicone sealants effective.

I've used the grease for as long as I can remember and I have never had a problem with water getting into any light.

The grease has a date on it - I am using a tube I found at the bottom of a box when tidying up, dated Dec 1986. I got caught in the deluge a few weeks back and it still seems to be working!

Beware of vaseline on plastics and rubber seals, it attacks some types.
fair point about the vazzzzzzzz
 

glasgowcyclist

Charming but somewhat feckless
Location
Scotland
I recently bought the Magicshine MJ-808 as my front light, which comes with a battery pack.

I'm sitting here watching the rain lash down and worrying about whether this will damage my light? The journey home will be, in part, on dark country lanes, so if it stopped working then I'd be in quite a lot of trouble!


I've used the MJ816 through two years of Scottish rain and had no problems whatsoever. I keep thinking it might be worthwhile adding some sealant but have yet to get round to it.

GC
 

GrumpyGregry

Here for rides.
AyUps. The bike lights you can use under water. Sorted.
 
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G2EWS

Well-Known Member
If it does not work in the rain it is not fit for purpose. Doesn't help if it stops working on the way home though! So spare is essential.

Regards

Chris
 
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dodd82

dodd82

Well-Known Member
Thanks for all of the input.

Had a decent commute, though for the first mile the light kept nudging up so it was pointing straight ahead. It eventually came off, and after re-attaching it, it was much better.

Took it easy in preparation for the big hill, and made it up without too much angst - though a few celebratory expletives were aired at the top :-)
 
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