How to Power for Fingerprint Smart Door Lock?

Smart door locks usually support fingerprint, card, code, mechanical key or APP unlock. For those unlock ways, only mechanical key don’t need power, the other ways won’t work if without power. So how to power for the smart door lock is one of the questions that the users are care about. In this post, we will tell you how MVTEAM smart door locks are powered.

Normal power supply: Install 4pcs AA 5 alkaline batteries to the door lock, 4pcs batteries can power for 6 months and 180000 times using. It supports lower power reminder, when it remind lower power, please replace the batteries timely.

Emergency power supply: The door lock is with a USB port, if the batteries are exhausted, users can connect power bank to the USB port for emergency power supply.

How to do when the batteries are exhausted and you don’t have power bank at hand?

You can use the mechanical key to unlock. With smart door lock, you don’t need use the mechanical key every day, but we suggest you put a mechanical key in your bag for emergency.   

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