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The battery in the one I purchased is rechargeable.
Sorry, there was a problem. Please try again later.The Smart Lock battery can be charged using a USB-C or Type C cable. When the battery runs low, a voice prompt will alert you with "battery is low." If the battery completely dies, you can use a key to lock/unlock the door or, in an emergency, charge the Smart Lock using a micro USB cable and a power bank via the USB port located at the bottom of the smart lock. This allows you to restore functionality temporarily.
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