Originally Posted by aniym
also, you should know that when you plug in your headphones into the T400, it automatically powers on. Maybe you did it by accident that one time, and weren't able to tell that it turned on, as the backlight would have automatically faded out after a few seconds.
Thanks to both of you, I may have been leaving the phones plugged in and bumping them when I am digging for other things. (Bunch of gadgets in a drawer) I'm getting a few weeks easy now. (What's odd is I called the company and they said 4 days of a full charge to dead with little use was normal, but now that I getting much more battery life I question that)