TMLee said:
I think its not wise to have button batteries touching each other inside
the film canister.... furthermore, plus if U throw in a battery
compartment cap , or a coin to open them , all these metal objects can
create a circuit.....
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I also carry some of my spare batteries in a film cannister. I carry
four batteries as two pairs with the pair formed by taping two together
with a thin strip of transparent tape around their rims. This makes
them easier and quicker to handle when replacing them.
To form a circuit you would need some collection of metal objects in
contact with each other forming a chain between the positive and
negative terminals of at least one battery. This would require a
minimum of two batteries to form a chain that could also be in contact
with the poles of a third battery.
My method of taping two together allows me to carry four batteries in
the cannister without fear of short circuits since they behave as two
objects instead of four. But you are right about the danger of adding a
coin or compartment cap. A third metal object could cause a short.
Chuck Norcutt
Woburn, Massachusetts, USA
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