Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup

The Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup lists a 10-year life, per Kidde. A hardwired smoke alarm with a 10-year backup battery that interconnects with other Kidde alarms by wire.

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    All smoke and CO alarms

    Alarm spec sheet

    TypeSmoke
    PowerHardwired with 10-year backup battery
    Listed life10 years, per the maker
    InterconnectWired

    Listed features

    • 10-year backup battery
    • Hardwire interconnect
    • Reminder beep at 10 years

    Worth checking

    • Needs household wiring

    Where to buy the 20SA10 Hardwired Smoke Alarm with 10-Year Backup

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    good to know
    • 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

    Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup
    TypeSmoke or CO alarm
    Alarmsmoke
    PowerHardwired with 10-year backup battery
    Interconnectwired
    Standards (maker)Kidde DETECT alarms are designed to the latest UL standard
    Replace after10 years
    Maker's warningsAlarm beeps to replace it 10 years after it is powered

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    20SA10 Hardwired Smoke Alarm with 10-Year Backup: questions answered

    From Kidde's published specs, last checked 2026-11-11.

    Where should the Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup go?

    Maker's standards wording: Kidde DETECT alarms are designed to the latest UL 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.

    Where these specs come from

    Last checked 2026-11-11. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.