Lenovo's battery life promises are worthless, I'd confirm with a 3rd party review. My Thinkpad X1 is supposed to have a 9.5+ hour battery life. I have never s

Lenovo's battery life promises are worthless, I'd confirm with a 3rd party review. My Thinkpad X1 is supposed to have a 9.5+ hour battery life. I have never seen 4, usually 3.5.