Compatible for Li-ion batteries 18650 18490 18350 17670 17500 16340(RCR123), 14500 Ni-MH/Ni-Cd A AA AAA batteries and 3.7V lithium battery and so on; Snado Intelligent Charger - We guarantee the ...

18650 is the most common vaping ... carrying it around a lot but might always be near a charger, then you could consider a single-battery vape mod that’s more portable and more convenient ...

like in this clever mash-up by [bethiboothi] that takes advantage of the fact that the popular TP4056 lithium-ion battery charger module happens to be almost the exact same size of the ESP-01.