Actually could be any size but... One of my Keepower 14500 batteries when put on charger (Xtar), does nothing, no voltage on display. Nothing on the display at all. Tried the usual moving around to make sure it was touching contacts etc. Have several other of exact same batteries with no...
I have used several different 26650's in my Olights and Convoy And have not noticed any difference. I am really not a qualified tester. I got the V6 because I was so impressed with my Nitecore P30, another great small thrower. Been playing with the V6 and the firefly is awesome, most of my...
Thanks to all, for the review and the run time testing. The concept is very cool, but the performance sold me. Merry Christmas to me, ordered one last night.