Black Friday 12.4 hours of mixed use (4850 + DBMD4 DSP) Battery, All‑day battery life, up to 18 hours of normal use,Up to 36 hours in Low Power Mode Battery, Approximately 100 (from full charge; number of prints depends on the usage conditions.) Approximately 1.5 to 2.0 hours (depending upon environment temperature at time of charging) Battery