as far as I know the 18650 would be about 18mm and that would be way too big.
the 17670 should be about 17mm wide and that would be pushing it.
I bored mine out to about 16mm and I don't feel comfortable going much wider than that.
ddy611...
how many volts do these 2 batts run at?
	
		
			
		
		
	
			
			the 17670 should be about 17mm wide and that would be pushing it.
I bored mine out to about 16mm and I don't feel comfortable going much wider than that.
ddy611...
how many volts do these 2 batts run at?
				
		