I have a precision 5520, and if I'm using integrated graphics I get 8+ hours even with the 4k screen. The build seems quite sturdy but I've only had it for arou

I have a precision 5520, and if I'm using integrated graphics I get 8+ hours even with the 4k screen. The build seems quite sturdy but I've only had it for around 6 months so far so can't say too much about that yet.