Black Friday 12.4 hours of mixed use (4850 + DBMD4 DSP) 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, Light will dim gradually throughout the product's use, so the given battery life is an estimate. Using lower brightness settings will extend battery life. Battery