In essence, they don’t use the B-C charging spec, which forbids charging above five volts. Quick Charge, however, can charge at nine 12 volts for a faster charge. The issue isn’t out of left field. Our review of the HTC 10 noted the following: ung says B-C specifications forbids Quick Charge from coexisting with the new stard. It doesn’t appear there’s any actual danger to your device, but it may be worth taking a look at if you want to ensure there’s no potential for long-term damage. And if you’re invested in B-C chargers for Nexus, Chromebook, or Macbook products, know they won’t charge those two phones quickly, just at the stard rate. The impact on you: There’s no danger that you’re going to fry your device with any of these chargers. It just means that despite how nice reversible B-C is, there are still some stards to be ironed out. Maybe Samsung was on to something by sticking with micro-B for the Galaxy S7 S7 ge.
