Battery

Unlike Nokia 3250 that features a 1100 mAh Li-Ion battery, Nokia 5700 Xpress Music has been given a "lower" 900 mAh Li-Polymer battery which seems to be more efficient. It takes about 2 hours for full charging and about 9 hours and 40 minutes of music playback till the battery runs dry. During the music playback the display was inactive, but I have used the phone for about 20-25 minutes of talking. If I could extrapolate, the battery should give you more than 10 hours of music playback or around 4-5 hours of talking. The BP-5M battery suits perfectly the profile of the phone, offering long playback time and adequate talking time.