To fellow owners: How soon did you have a high voltage battery problem. How many miles ?
It doesn’t matter. If your alternator is putting out too much voltage, you need to address it so it doesn’t kill your battery. A regular mechanic would be fine, or one who specializes in automobile electrical systems would be fine as well
What makes you think this happens to all 2007 Camries?
@pyrolord314 has it right.
I would expect high voltage battery problems sooner or later on a 13 year old hybrid, about once a month I see a replacement high voltage battery pass though the shop, usually for 2006 to 2010 vehicles.
BTW, no alternator on a hybrid.
Oops. I thought the original post was just poorly worded, but it makes sense if this is a hybrid.