How often will I need to replace the battery? May 18, 2021 17:18 Updated Follow Under normal usage and conditions, the Array’s battery will last many years. Replacement batteries and charging cradles can be purchased at buyhampton.com. Related articles How often will the battery need to be recharged? How do I recharge/exchange the battery in my Array? Will the door lock have a camera on it? Will my Array unlock, when my connected smart device is near it?