I've reposted this survey on due to its increase popularity and the comparative stagnancy on TPF. I expect to get a few more of your enter and maintain over at this point on Lenovo forums. I am conducting a review in order to discover an association between components and battery life. I am doing this since I have two friends with identically configured T510's by means of very opposed battery lives. In adding, my own T400 doesn't fairly meet the tabook ratings for battery life.