Nest Support

Questions about Nest Learning Thermostat or Nest Protect: Smoke + CO alarm? We've got answers, videos, and plenty of resources to help you out.

What is the difference between Nest Protect (Wired 230V) and Nest Protect (Battery)?

While both Nest Protect (Battery) and Nest Protect (Wired 230V) have the same core features, there are a few small differences in how they are powered, report Self-Monitoring information, and connect to the Nest Thermostat.

Nest Protect (Battery) Nest Protect (Wired 230V)

Power

Nest Protect (Battery) uses six long-life AA batteries for power. Batteries are designed for a 5-year battery life.*

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Nest Protect (Wired 230V) is powered by 230V wires and comes with 3 long-life AA backup batteries in case of a power outage.

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Small green LED Light

Not applicable.

As required by regulations, a tiny green LED indicates that Nest Protect is connected to 230V wires.

Installation and mounting

You can install your Nest Protect (Battery) in a few minutes, without connecting any wires.

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You can install your Nest Protect (Wired 230V) in a few minutes, using the included 230V connector as well as the included wire nuts.

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Self-Monitoring updates

Nest Protect (Battery) sends Self-Monitoring information to your Nest Account once a day.

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Nest Protect (Wired 230V) sends Self-Monitoring information to your Nest Account every 30 minutes.

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Settings & modifications in the Nest app or on the Web

When changes in Settings are made in the Nest app or on the Web, changes will be reflected within about 24 hours.

You can press the Nest button to connect to the Internet and apply updates.

When changes in Settings are made in the Nest app or on the Web, changes will be reflected within about 30 minutes.

You can press the Nest button to connect to the Internet and apply updates.

Auto-Away and Auto-Arrival for the Nest Learning Thermostat

Nest Protect (Battery) improves the Auto-Away feature over time, so Nest Learning Thermostat has a better idea of when you’re home or away.

Nest Protect (Battery) updates less frequently than Nest Protect (Wired 230V) to conserve battery life.

Nest Protect (Wired 230V) improves the Auto-Away feature so Nest Learning Thermostat has a better idea of when you’re home or away.

Nest Protect (Wired 230V) updates more frequently than Nest Protect (Battery).



* Based on modeled daily power usage, Nest Protect is designed to work for 5 years on one set of batteries under ordinary usage. This is an estimate only; actual battery life will vary depending on a number of factors, including feature configuration, Pathlight usage, number of emergency and pre-alart events, etc. Actual power usage is being tested.