The unit arrived and was clean and spec'd as described. After spending a week plugged into a Dell port replicator, off power the battery only lasts 35 minutes.Update: Seller rectified the battery problem.Second purchase: The second unit is not spec'd as described.wrong:- processor Intel Core i5-6820HQ vs -6440HQ- 256GB M.2 SSD vs 512GB- non-touch vs touch- 1366x768 vs 1920x1080right:- 16 GB RAM- Windows 10 Pro- 62Whr battery, tested healthyI will not be buying from this seller again.