How often will the battery need to be charged? May 21, 2021 17:28 Updated Follow The Array Battery will last 9-12 months after being fully charged, depending on use and WiFi signal strength, and will take approximately 3 hours to charge when using the charging cradle and approximately 5-6 hours with the micro USB cable. Related articles How Do I Master Reset My Array Smart Deadbolt? How many batteries does the Array lock come with? Initial Setup Instructions How secure is the Array app?