You get it right thru PCs too, basically because the fans move it thru the PC. In other words they dont need to be charged.
Dont buy that either. No evidence that PCs used by smokers fail prematurely. The only exception to that is that the optical drives can end up with an invisible film on the laser with smokers and what appears to be a faulty drive will in fact work fine if you clean the lens with isopropyl alcohol etc.