Black Friday 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, up to 18 hours of normal use, up to 36 hours in Low Power Mode Battery, With LCD Approx. 440 shots (at 23°C) With Viewfinder Approx. 310 shots (at 23°C) Battery