Samsung R522 - 15.6in Notebook - Battery Performance

A result of nearly three and a half hours in the multi-tasking Productivity segment bodes well for the R522's longevity.

Nearly four hours in the idle Reader test, which simulates reading a PDF document, demonstrates that this machine is class-leading when it comes to battery life.

As a worst case scenario over two hours of DVD playback is excellent. Reducing brightness should mean DVD playback in the region of two hours and 30 minutes.