1.5 to 2 days if I push it. I'm always receiving a 3G signal during the business day and on WiFi in the evenings.
my abuse/habits:
Social feeds; I have MSN, FB, RSS and Twitter running constant but only updating at the maximum time intervals.
I only make about 10-15 minutes of phone calls per day. I send/received about 150-200 emails, txt and bbm per day.
Im in the car about 1-2 hours per day using BT connection to the cars handsfree phone sys.
Browse the internet for about 30 min at night on WiFi.
my settings:
I leave mobile, WiFi and BT turned on all the time.
Screen brightness set at 0 with dimming set at 45 seconds. Volume for notifications at 70 and call volume usually full.
I'm a pretty moderate user i guess..
About 10-15 minutes call per day, few bbms, text throughout and mainly FB..
I keep my wifi and bluetooth off though..
I usually get about 2 days, and with about 30% left by day 2
Pretty happy with it i guess