I grabbed a few PCB board spacers for 18650’s and 21700’s after reading here about using these on flat tops that don’t quite fit certain lights like a few of my Acebeams. My question is do I just set them on top and send it, or do I secure them somehow? Anything else I should know? TIA

I grabbed a few PCB board spacers for 18650’s and 21700’s after reading here about using these on flat tops that don’t quite fit certain lights like a few of my Acebeams. My question is do I just set them on top and send it, or do I secure them somehow? Anything else I should know? TIA

by Brian_Knifeguy