I've been having the same problem with my battery, Jackie. The one on my left is sore and I'm debating whether it's hip pain or the battery. I know they said I had scar tissue on my left side from previous surgeries so hopefully that's not being aggravated. What's weird is that the battery on the right side doesn't seem to bother me. Hopefully as we get to Mark's 9 week mark (pun intended), we'll see a let up on the soreness, too.
It's just too weird how we're both dealing with so many identical issues....