How Long Can The Battery Of An Automatic Door Lock Last?

May 13, 2025

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The battery life of a fully automatic door lock is usually between 6 months and 2 years, depending on the battery type, frequency of use and functional configuration. ‌For example, dry batteries can generally support 6 months to 1 year, while lithium batteries can last 1-2 years under ideal conditions. ‌‌

‌Battery type and battery life difference ‌

‌Dry batteries‌ (4-8 No. 5 alkaline batteries)
Ordinary household use: 6 months to 1 year
High-frequency use (such as multi-person households/homestays): Need to be replaced every 3-6 months. ‌‌
‌Lithium batteries‌ (capacity 2000-5000mAh)
Normal use: 1-2 years
High power consumption scenarios (such as networking, video functions): battery life may be shortened to 3-8 months; ‌‌
In low temperature environments in winter, the battery life of lithium batteries may decrease by 40%, so pay attention to heat preservation.

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