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How long do batteries last?

Latch M

The Latch M has batteries and won’t go down if your power goes out. Its 6 AA batteries will last for up to 12 months with normal usage, with battery alerts and our automatic low-power mode keeping you in the know. If your Latch M is wire-powered, your batteries will be unused until power is cut.

Learn more about monitoring and replacing batteries.


Latch R

The Latch R is wired for power. Once it has been installed, you will not have to worry about battery life.