Sony Ericsson U20i White Paper page 8

Talk time (GSM)
Standby time (GSM)
Talk time (UMTS)
Standby time (UMTS)
Music listening time
Video playback time
Battery
* According to GSM Association Battery Life Measurement Technique.
Note: Battery performance may vary depending on network conditions and configuration, and phone
usage.
4 hours *
300 hours *
3 hours 30 min *
360 hours *
17 hours 30 min *
10 hours *
970 mAh
8
White paper | Xperia™ X10 mini pro
March 2011