Plus side, Rolygate said that if a PV is compliant they won't pull the designation if/when the spec changes (
http://www.e-cigarette-forum.com/fo...cification-metal-tube-mods-8.html#post5474883) Even though I'm just a user, I'm curious as to how things evolve. The thread is a public one, as opposed to whatever is going on in the supplier private region.
While the standard-battery PV tubes are getting the attention, with bigger battery "proprietary" PV, like the eGo clones, coming out they are running into interesting events. There was a fresh post today about an eGo clone going into roman candle/flare mode while on a charger (
http://www.e-cigarette-forum.com/fo...928-my-husbands-ego-exploded.html#post5478955). Bigger batteries, more total energy, are coming out across the board, compared to what was out a couple years ago.
Pay a couple $ more and get an actual engineered PV, with designed-in safety features...