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I've got a torch that takes that battery set (4 x LR44). Happily there is a battery called a "4LR44" that is just 4 LR44s stacked in a single shell. Lithium versions are available, which might make it last longer and I think they're still cheaper and less faffy than buying 4 separate LR44 coin cells.
ffm
hugo7
I've got a work torch which has a little 2nd torch at the end you pull out. It uses four LR44 AAA button cells in a sheath. I believe they are 1.5V each. It's a bit dim and is running out, so they need replacing. But have not been used much, so I assume will just run out quickly again.
Can I swap these out for something like a 10180?
It seems to be close enough in dimensions and should last longer as well as being rechargeable, right?
I have no real knowledge of batteries, but doesn't 4 (stacked) x 1.5v = 6v? So if a 10180 is 3.6V then it might not be powerful enough.
The thing that prompted me was that my car torch can take either AA or (I think) 18650, which makes the light more powerful.