if u would have do a SEARCH... i did do the same like u...
http://forums.clubsnap.org/showthread.php?t=185822
batt life for me is GREAT...so far, it lasted abt 2.5 to 3 days b4 i need to charge again..
u should use the phone 'heavily', to find out if ur set got any fault.. and if there is , there is still '7 days exchange aka COE'...