Millet door lock can not use ordinary Nanfu batteries. Buy leak-proof batteries so they don't spoil the locks. It is recommended to use the smart door lock special Nanfu i master battery, more safe.
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Xiaomi Mi Home smart door lock is a smart door lock officially released by Xiaomi on December 5, 2018, which supports 6 unlocking methods such as fingerprint password, and adopts C-level smart lock core configuration, which can be linked with Xiaomi smart devices.
This title is not quite right. It should be said that millet door locks can not use copycat Nanfu batteries. The reason is that the cottage Nanfu battery is easy to leak electrohydraulic, and electrohydraulic is corrosive, which will cause damage to the millet door lock, so you must buy regular Nanfu batteries or other batteries.