If the battery on a Travelcube is completely "dead", how long will it take to be recharged? September 30, 2020 14:39 Updated If the battery is fully depleted, the Travelcube will require between 3 1/2 to 4 hours to reach full charge. Related articles My Hushh/Rohm/Travel Mini/Pocket Baby Soother will not turn on/off, and I have already made sure that the child lock is deactivated. How can I fix this? How do I charge my Hushh, Rohm, or Go? What is the wireless range for the Duet Sound Machine How long does the Travel Mini battery take to fully recharge? What do the flashing LED lights on the Travelcube sound machine mean?