Let me tell you.i bought this laptop 5 years back from SINGAPORE and got the opportunity to write its review today.its just phenomenal.battery back up of humangous 7-8 hours.and gets charged up in 1.5 hrs .thats speedy.no lagging.boots up in 5-6 seconds max.no heating .storage of 500 gb approx.thats good for office work.will surely recommend.