I bought these cables because I have a lot of USB rechargeable batteries (phone, flashlight, power banks, headphones, etc.). I leave 2 at home and put 2 in my backpack. I like the strength of the cords to avoid damage when folding etc, but they also come with a small button clip to fold these cords into a bow tie for easy use when travelling. After using these cables for about a month, I noticed that one of the cables is no longer able to fast charge my s7. I have Anker and Aukey fast charge…