Plenty of flashlight users, out there. I haven't seen a thread quite like this one, here, so I think I'll start one.
Let's see what you're using to charge up your batteries.
I'm currently running 44 18650 lights on 55 batteries (and plenty of other lights, on AA and D NiMhs, 14500, 16340, 17650 lithium ion batteries, and a small handful of lights on RCR123 LiFEPO4s.
Here is the lot:
Top Row (Left to right)
LaCrosse BC-700
Nitecore i4 V2
Nitecore D4 (2)
Middle Row (Left to right)
XTAR VC4 (2)
XTAR VP2 (2)
XTAR VZ2 - This is the newest addition
Bottom Row (Left to right)
XTAR VC2 Plus (4)
Right Hand Side (Top to Bottom)
Pelican 1010 Case with 14500 batteries
Pelican 1010 Case with 16340 and CR123 batteries (No...I did not buy those. They came with some flashlight purchases. I stopped buying CR123 batteries about four years ago.
Pelican 1010 Case with 26650 batteries
Pelican 1010 Case with 18650 batteries - still my favorite battery type
Not pictured - a second XTAR SV2 charger, I just picked up yesterday :-)
A little closer look at those 1010 cases: