Shorted NiCds can explode. I think lithiums may, too.
Paul Farrar
At 10:52 PM 1/19/00 +0100, you wrote:
>Hi all
...
>Well, he was using an old Leica M6 as well as a new Hasselblad XPan camera,
both
>with winders attached. After having expended a lot of films with both cameras
>(maybe 10-15 rolls of film) he encountered some kind of problem with the Leica
>winder. He removed the battery chamber to check the batteries, and suddenly
there
>was a small cracking noise which quickly made him put the battery chamber
on the
>ground. When I asked what happended he said that the batteries had exploded!
>Obviously at least some of the batteries had cracked.
>
>What could have caused this? I can't say whether he was using NiCa or NiMh
>batteries, but I think the battery brand was EverReady. It was rather cold
(-3° C)
>and windy. Could the freezing temperature cause the batteries to be
exhausted and
>overheated? I suppose they can explode if they are overcharged (at least
NiCa?),
>but in the camera? The photographer's only theory was that it was caused by the
>use of low quality batteries, but obviously he hadn't a clue. Fortunately
he could
>continue to use his Leica, albeit without the winder. Anyone with similar
>experience and/or a theory to what caused the batteries to explode?
>
>Per Nordenberg
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|