Here are some of the wood mods I have made. From Left to Right
A variable voltage dual 18650's
A 3.7 volt with a 16340
A variable voltage dual 10440's
My Stealth mod with a 10440
My big box with variable voltage dual 18650's and a pass thru function
Another 3.7 volt 16340
And a Top Feeder with variable voltage and dual 18350's
Not Pictured are A Puck variant, 2 1000mah ego's, and 2 1000mah twists.
Lately I find myself reaching for the far left one the most running with a Smoktek R tank but who knows what the future might bring.