Not -specifically- Canon or Nikon batteries, just in general, cheap knockoffs CAN have QC problems and these problems DO result in the potential for fire... I HAVE seen it happen, and seen the end results of it...
Just saying why personally i wouldnt do it.. lol
I haven't and we deal with communications batteries that require much higher current the cameras. As I posted earlier the problem with the bad ones are physical specs not being exact or the battery with cheap/weak cells. It is your gear and your money but these scare stories about fires and explosions are nonsense.






