I'm using my Nautilus with a Sigelei VMAX (18650 mod), so it's a heavy piece of kit. Today my cig dropped out of my pocket down the middle of a stairwell and fell two storeys, smacking into concrete steps and metal railings several times on the way down.
When I retrieved it from the ground the base had split with one half attached to the battery (and severely dented) and the other half still on the tank. It didn't spill/leak a drop of juice, and after I worked out the dents with a pair of pliers and jammed the two halves back together, it's still vaping like new!
I just wanted to let you guys know how impressed I am with this thing's toughness. After years of plastic-and-glue clearos that would fall apart after a month or two, I've finally got something that can take a beating and come back for more :D
Keep up the good work!