Greg_Sackett
Enthusiast
Registered: 12/14/01
Posts: 225
Loc: KC, MO
As CM mentioned, "it depends". I have several older CR123 lights that will not accept an 18650. The 18650 is actually slightly larger in diameter than the 123s. If your strobes haven't been designed to be co-compatible, then I doubt the 18650s will even fit in the strobes.
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