Ken Poole most commonly you will have to remove the earpads. Underneath those you should have some screws that hold the drivers in place etc. It should get you to the battery. Check and see if [https://www.youtube.com/watch?v=Df5D-6SZDu4|this video] would get you there. Always proceed slowly and with caution since you are the pathfinder here. Take lots of pictures and create a guide for the rest of those people that run into the same issue. https://www.ifixit.com/Guide/new