XVive U2C Battery Kit (BU2)

I've used Thomann for many years, so when I realised that my XVive U2C units were over 10 years old, I thought it time to renew the batteries. I had no hesitation in ordering from Thomann because I've always had excellent service. The batteries arrived in a couple of days. I had no trouble fitting them, the only small worry was that the plastic ring around the jack plugs where they exit the units needed quite a lot of effort to get off and needed a bit of tape around the shaft of the plug to ensure that they did not slide off. I've recharged them at least 15 times since fitting and played live through them the same number of times. All works great. Thanks.