How to recognize genuine Apple accessories that are MFi certified

It's a tough choice to ignore, you can buy a $3 iPhone charger from your local gas station or fork over $19 for Apple's own lightning cable. And while it seems like a no-brainer at first, a recent study revealed that knockoff chargers have been found to fail basic safety tests 99% of the time and have even lead to fires and electrocutions. Here's why you should always look for Apple's MFi symbol whenever buying a cable for your iPhone.