How do you charge the battery and how long does it take? Heather S. October 02, 2020 17:42 Updated It’s simple, just plug the charger into the charging port located on the head tube. It takes about 2 hours to charge with the 4A fast charger. Related articles Can you charge the bike by pedaling to increase range? Can the battery be replaced? What’s the top speed of the Babymaker? How much maintenance does the motor require? How much does the Babymaker weigh?