So my Varia stopped charging. I may have only charged it initially with Garmin cable that came with it. I’ve only used it a few times so the battery finally ran out. I tried to charge it a couple times and thought it was broken. But I was using 3rd party cables. Once I used the Garmin cable it was fine. And the 3rd party cables weren’t junk. One was anker and one was lezyne and they work fine for other devices including my Garmin edge 530. Whats special about the Varia that it needs a special Garmin cable?