^^-- That's specific, at least ... I've seen those before and don't find them to fully explain some of the accidents reported (poorly). I do agree "can't get much safer than Nitecore" is way overstating his case, and yet I don't think the device is unusually dangerous. My own statement on 4A vs. 25A was also overstatement, but in general <4A use vs. high power is somewhat apples to oranges.
Here's a little different perspective on batteries:
Here's a little different perspective on batteries: