First Alert SM210 / SM210V / SM210L 10-Year Smoke
The First Alert SM210 / SM210V / SM210L 10-Year Smoke lists a 10-year life, per First Alert. A photoelectric smoke alarm with a sealed 10-year lithium battery and a slim profile. Voice and path-light versions are separate models from the same maker.
Alarm spec sheet
| Type | Smoke |
|---|---|
| Sensor | photoelectric |
| Power | 10-year battery (lithium metal, not replaceable) |
| Listed life | 10 years, per the maker |
| UL standards named | Conforms to UL 217 10th Edition Standard |
Listed features
- Sealed 10-year battery
- UL 217 10th edition
- The maker lists a lifespan of about 10 years
Worth checking
- Smoke only, no CO sensing
Where to buy the SM210 / SM210V / SM210L 10-Year Smoke
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| First Alert SM210 / SM210V / SM210L 10-Year Smoke | |
|---|---|
| Type | Smoke or CO alarm |
| Alarm | smoke |
| Sensor | photoelectric |
| Power | 10-year battery (lithium metal, not replaceable) |
| Standards (maker) | Conforms to UL 217 10th Edition Standard |
| Replace after | 10 years |
Compare the SM210 / SM210V / SM210L 10-Year Smoke with
How each closest rival differs from the SM210 / SM210V / SM210L 10-Year Smoke, from the makers' specs.
- First AlertSMCO210 / SMCO210V ComboCompare side by side
- First AlertSMCO500V ComboCompare side by side
- First AlertSMCO100 / SMCO200V Combo10-yearCompare side by side
- First AlertSMICO100-AC Hardwired ComboCompare side by side
SM210 / SM210V / SM210L 10-Year Smoke: questions answered
From First Alert's published specs, last checked 2026-11-11.
Where should the First Alert SM210 / SM210V / SM210L 10-Year Smoke go?
Maker's standards wording: Conforms to UL 217 10th Edition Standard. Use and supervision: follow the maker's warnings on the product, and see the AAP's safety and prevention pages. Check the label and the maker's instructions, and ask your pediatrician about your child.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More smoke and CO alarms
- First AlertSMI100-AC Hardwired Smoke
- First AlertSC5 Smart Smoke & CO
- First Alert10-Year Battery Photoelectric Smoke Alarm, Slim Profile
- First AlertCO400 Battery Carbon Monoxide Alarm
- First AlertCO605 Plug-in Carbon Monoxide Alarm
- First AlertCO710 Carbon Monoxide Alarm with Digital Temperature Display
Where these specs come from
- firstalert.com/products/10-year-battery-smoke-alarm-with-slim…
- firstalert.com/products/10-year-battery-smoke-alarm-with-voice-alerts
- firstalert.com/products/10-year-battery-smoke-alarm-with-safety…
Last checked 2026-11-11. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.