Batteries lose capacity over time. They can die within 1 year. Thats why warranty on batteries is 1 year.

Laptop Battery For Dell Studio 1537, 1555, 1557, 1558, 312-0701, KM887, KM898, KM901, KM958, MT275, MT276, MT277, PW772, RM803, RM804, WU946, WU959, WU960

I would like to buy a new laptop dell computer for my own use.  The purpose of use mainly for share trading, keeeping personal documents/statments and photos, some times to watch movies and play the games. Dell i3 (Model N5050) 3GB,320 GB, 15.6" Screen, Webcam, Bluetooth, Card Reader, DVD Writer, Windows 7 Home basic available in the market,  will it be easely/sufficiently serve the purpose or not.  It does not tell anything about Graphics, is there built in graphics on this, if yes my purpose will meet or not, or else whether the dedicated graphics is required or not.  In this model is it possible to extend the memory 3GB-320GB to an higher level.  Is there any provision to watch movie on television by playing CD on this computer.  What is the difference between Windows 7 Home Basic and Home premium.  Utimately what is the price of this model in India.  Hope to receive a reply early.  Regards  KRISHNAN T A