I would strongly disagree. Inexpensive batteries are everywhere now - this is the work of market forces, not some guy on Youtube - and he's one of a handful of

I would strongly disagree. Inexpensive batteries are everywhere now - this is the work of market forces, not some guy on Youtube - and he's one of a handful of people who you can trust to do an honest dissection of a battery. You don't have to be a rocket scientist to check for a handful of basic safety features and characteristics, which is more or less what he does.