when browsing or using imessage on my iphone 5, i will lose 1% every 3-4 minutes. i noticed this on my iphone 4 as well. seems awefully excessive. i have wifi on, full cellular signal, bt off and screen brightness down. on my ipad, i can browse the internet for 10-15 min before it takes away 1%. this is on a new iphone 5, set up as new. right now my usage/standby screen shows: 38% battery level Usage: 5hr, 16 mins Standby: 11hr, 27min seems kinda poor after seeing people get day and a half standby, 12 hrs or so of use and still have some juice left. in the time its taken me to write this on my laptop, ive lost 3% on the phone just from having an on/off texting convo.