time for a new battery??

My N7000, after a year of using it , recently lasting not long. charged it up to full 7am then it had dropped to 60% at midday. It normaly lasts 2 days. The phone is on contract but think it was out of warranty:(

via Smartphones: PinStack.com http://forums.pinstack.com/f324/time_for_a_new_battery-141208/