Differences between wired and battery-powered Nest Protects

While both wired and battery powered Google Nest Protects have the same core features, there are a few small differences in how they are powered, report self-monitoring information, and help with Home/Away Assist.

  Nest Protect
Nest Protect
Wired 120V-240V


Uses six long-life AA
batteries for power.
Batteries are designed for
multi-year operation.*

Learn more >

Is powered by 120V-240V**
wires and comes with 3
long-life AA backup
batteries in case of a power

Learn more >

Small green power light

Not required.

As required by regulations, a
small green LED indicates
that Nest Protect is
connected to 120V-240V**

Installation and mounting

Installs in a few minutes,
without connecting any

Learn more >

Installs in a few minutes,
using the included 120V-240V** connector. Includes
wire connectors or terminal
blocks for connecting to
household wiring.

Learn more >

Home/Away Assist

Helps improve Home/Away
Assist over time, so your
Nest home has a better idea
of when you’re home and
when you’re not.

Battery powered Nest
Protects update less
frequently than wired Nest
Protects to conserve battery power.

Learn more >

Helps improve Home/Away
Assist over time, and can
keep your home from
switching to Away when
other Nest products can’t
see you.

Wired Nest Protects update
more frequently than
battery powered Nest

Learn more >

* Actual battery life will vary depending on a number of factors, including feature configuration, Pathlight usage, number of emergency and pre-alert events, etc.

** Different countries use different wiring standards, and the exact voltage of your wired Nest Protect depends on where you purchased it. For example, a Nest Protect sold in the United States includes components for 120V wires, whereas a Nest Protect sold in Europe includes components for 220V-240V wires.

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