Black Friday 12.4 hours of mixed use (4850 + DBMD4 DSP) Battery, Up to 10 hours of surfing the web on Wi‐Fi or watching video & Up to 9 hours of surfing the web using a mobile data network. Battery, Up to 30 minutes on Auto mode with electrical nozzle; 13 minutes on Turbo Mode; maximum 100 minutes on Eco mode with non-electrical accessory Battery