https://motherboard.vice.com/en_us/article/bj34z5/why-counterfeit-lightning-cables-kill-iphones-cheap-iphone-chargers

Matthew Zieminski is in charge of Supply Chain Quality at Puls and has been in the electronics repair industry for seven years. A version of this article was published on Medium.

Picture this: The sun is shining. The birds are serenading you from the tree you just parked under (They’re going to carpet bomb your car with crap later, but you don’t know that yet.) You’re almost through a long list of errands. And way to go, you. You’re being very productive. You whip out your iPhone for a celebratory selfie, when you see it: a red bar on your battery indicator. Only 10% power remaining.