I used it even an hour during operation and immediately sent back, after I saw that the laptop had no optical drive. Battery was not there, but as already installed. The battery is not removable but integrated. I find it a pity. The much traveling for the people and want to have a second battery with you, which is not suitable
I wanted installierein dismantle the drive and in its place a second internal hard drive HDD Caddy, so I could have 256GB SSD and 1TB HDD. But it is not possible because of lack of drive. In addition, a built-in battery, I would not recommend