What the difference between 18490 and 18500?
18500 have more mAh and will it work in my ProVari?
18500 have more mAh and will it work in my ProVari?
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The 18500 is slightly longer - 50mm vs 49mm. It should work in a Provari that is set up for an 18490. I think Provari's require a button top battery.
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