Which cells to use?

LichtAn! · Jun 22, 2013

Hey, I ordered a Cree diving light from china. Now that I've recieved it, I doubt that it is properly sealed and I'm a bit worried about my cells being shortened. Should I use LiMn or protected Li-Ion cells to be safe ? (just in case...)

Regards Tobias

eebowler · Jun 22, 2013

Test out the light first. Given the choice, I'd use my weakest, crappiest cells incase they drown.

LichtAn! · Jun 22, 2013

eebowler said:
Test out the light first. Given the choice, I'd use my weakest, crappiest cells incase they drown.

I'm more worried about the light exploding not the cells.

diveuk · Jun 22, 2013

Check the machined threads for swarthe and sharp edges, check and lube the O rings, make sure everything is tight and secure. To prove that it is watertight take it for a dive with no batteries, preferably in fresh water. Put some tissue where the batteries should be and check for any moisture post dive.

LichtAn! · Jun 22, 2013

diveuk said:
Check the machined threads for swarthe and sharp edges, check and lube the O rings, make sure everything is tight and secure. To prove that it is watertight take it for a dive with no batteries, preferably in fresh water. Put some tissue where the batteries should be and check for any moisture post dive.

That's what I plan to do. But still I'd like to know what would happen in the worst case. I know for sure that a shortened Li-Ion cell with no protection easily resembles a pipe bomb. What about LiMn?

diveuk · Jun 22, 2013

If you are that worried about things the best thing is not to use a light........ I have never heard of a diver getting injured in an explosion from his torch batteries..........

Which cells to use?

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