The only actual vaping device is an atomizer. I think Indiana is talking about 74%. I'm not paying that for a battery.
It's time for the Chinese to start manufacturing VV/VW Flashlights, and bulbs with a 510 connector. Or a variety of device heads.... toothbrushes, nose trimmers, sweater shavers, engravers, personal cooling fans, laser pointers, charging adaptors, .........