Google · Updated August 2026
Google Nest Protect (2nd Gen, Battery): price, specs & release date
Google Nest Protect (2nd Gen, Battery), released 2015. Every price and spec below is linked to its source and dated — no guesses.
Source: support.google.com verified ✓ corroborated verify in ledger
Is the Google Nest Protect (2nd Gen, Battery) a good buy?
At $119, the Google Nest Protect (2nd Gen, Battery) is #4 cheapest of the 5 smart smoke detectors we track, where the median is $89.97. On the spec sheet, its sensor life yr of 10 is at the median of the 8.
Specifications
| Price (US) | $119 Google Store MSRP (S3000BWES); $119 list price has held since the 2015 launch. Store spec page was consent-gated during verification, so price is the well-established canonical MSRP rather than a fresh fetch. |
|---|---|
| Brand | |
| Released | 2015 |
| Sensor type | split_spectrum |
| Detects co | Yes |
| Power | battery |
| Interconnect | wireless |
| App alerts | Yes |
| Voice location alerts | Yes |
| Sensor life yr | 10 |
| Self test | Yes |
Source: support.google.com (verified 2026-08-16) · corroborated by store.google.com. Confirmed via Google's official spec support page: split-spectrum smoke sensor, 10-year electrochemical CO sensor, 6x AA (Energizer Ultimate Lithium L91) battery power, and 802.15.4 (2.4GHz) wireless interconnect. Voice/location alerts and monthly automatic self-test are documented Nest Protect features (not spelled out on the fetched page). Store price page redirected to a Google consent wall during fetch; $119 retained as the long-stable, currently-sold MSRP.
Is the Google Nest Protect (2nd Gen, Battery) worth it vs cheaper smart smoke detectors?
Google Nest Protect (2nd Gen, Battery) against its closest cheaper and pricier smart smoke detectors on the specs that matter — every value sourced. See all 5 ranked
| Product | Price | Sensor type | Detects co | Power | Interconnect | App alerts |
|---|---|---|---|---|---|---|
| Google Nest Protect (2nd Gen, Battery) this | $119 | split_spectrum | Yes | battery | wireless | Yes |
| Kidde P4010ACSCO-WF | $89.97 | photoelectric | Yes | hardwired | wired | Yes |
Frequently asked questions
How much does the Google Nest Protect (2nd Gen, Battery) cost?
The Google Nest Protect (2nd Gen, Battery) has a US price of $119 (Google Store MSRP (S3000BWES); $119 list price has held since the 2015 launch. Store spec page was consent-gated during verification, so price is the well-established canonical MSRP rather than a fresh fetch.), as of 2026-08-16.
How does the Google Nest Protect (2nd Gen, Battery) compare on price?
At $119, the Google Nest Protect (2nd Gen, Battery) is #4 cheapest of the 5 smart smoke detectors we track, where the median is $89.97.
When was the Google Nest Protect (2nd Gen, Battery) released?
The Google Nest Protect (2nd Gen, Battery) was released 2015.
What are the Google Nest Protect (2nd Gen, Battery)'s key specs?
Google Nest Protect (2nd Gen, Battery) (Google): sensor type split_spectrum, detects co Yes, power battery, interconnect wireless, app alerts Yes. Full sourced spec sheet verified 2026-08-16.
Price of record: $119 at support.google.com, 2026-08-16. Other retailers may be lower — check the current price:
See Google Nest Protect (2nd Gen, Battery) on Amazon As an Amazon Associate we earn from qualifying purchases.Similar smart smoke detectors
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All smart smoke detectors ranked · Open data & methodology · Queryable via MCP
Compare with
Head-to-head
- Google Nest Protect (2nd Gen, Battery) vs First Alert Onelink Safe & Sound
- Google Nest Protect (2nd Gen, Battery) vs X-Sense SC07-WX
- Google Nest Protect (2nd Gen, Battery) vs Kidde Smart Smoke + CO Alarm with Indoor Air Quality Monitor (P4010ACSCOAQ-WF)
- Google Nest Protect (2nd Gen, Battery) vs Ring Alarm Smoke & CO Listener
- Google Nest Protect (2nd Gen, Battery) vs Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO)