What battery does a Smart Door Lock take?
AA
4 × AA batteries
Most smart door locks use 4 AA batteries and warn you when power is low.
If your Smart Door Lock has stopped working or is unresponsive, replacing the batteries will usually fix it. Tap the button below to find the right AA batteries on Amazon.
Also known as: LR6, MN1500, Mignon
Buy AA batteries on Amazon
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