Perry
Well-Known Member
- Joined
- Aug 23, 2012
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- 127
I wish I could reply intelligently to all that, but what you describe is somewhat beyond my present understanding - sorry. However, I looked at various sources, so have gleaned some small idea of what your talking about.1 Lucky Texan said:the 18650 cyl. batt (18.6 × 65.2 - ~68mm with prot. crct.) is probably in a vast majority of Li-ion powered products. is the present pack's dimension some multiple of those battery dimensions? Quite possible they are the newer 21700 size, maybe 12 in that 'pack'.
I can't find any dimensions for the battery pack, but the pic below is what it's supposed to look like. The way the shrink wrap looks, it gives the impression of six pairs of batteries, doesn't it? Six parralled pairs of 3.7v units in series = 22.2 volts, which is close to the 22v that the packs are rated at.
Perhaps six pairs of something like this:
I shall know more when I get to pull the shrink wrap off an old battery pack.