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 many batteries does the Array lock come with? What type of battery does the Array use? How secure is Array when connected to my home Wi-Fi? What WiFi band will the Array Lock connect to?