Black Friday 12.4 hours of mixed use (4850 + DBMD4 DSP) Battery, Continuous music playback time: Max. 30 hours(NC ON), Max. 40 hours(NC OFF) Continuous communication time: Max. 24 hours(NC ON), Max. 28 hours(NC OFF) Battery, With LCD Approx. 440 shots (at 23°C). With Viewfinder Approx. 310 shots (at 23°C) Battery