{"niche":"Which smart smoke detector has the longest battery life?","description":"Which smart smoke detector has the longest battery life?","products":[{"brand":"DETECT","model":"20SD10 (DETECT Smoke Alarm, 10-Year Battery Powered)","price_gbp":24.59,"origin_country":null,"specs":{"alarm_volume":"85","battery_life":"10","temperature_range":"40 to 100 F (4.4 to 37.8 C)"},"confidence_score":null,"sources":[{"label":"Home Depot","url":"https://www.homedepot.com/p/Kidde-10-Year-Battery-Powered-Smoke-Detector-with-Photoelectric-Sensor-20SD10-21031466/328119795","currency":"USD","source_country":"US","price":32.47,"price_gbp":24.59,"scraped_at":"2026-06-24T15:47:48.736294"},{"label":"Friedman's Home Improvement","url":"https://www.friedmanshome.com/detect-smoke-alarm-with-10-year-battery-2000032716","currency":"USD","source_country":"US","price":32.99,"price_gbp":24.98,"scraped_at":"2026-06-24T15:47:48.736294"},{"label":"Buyrite Electric","url":"https://buyriteelectric.com/products/kidde-20sd10-detect-smoke-alarm-10-year-battery-powered","currency":"USD","source_country":"US","price":32.47,"price_gbp":24.59,"scraped_at":"2026-06-24T15:47:48.736294"}],"summary":"This is a DETECT smoke alarm with a sealed 10-year battery, designed to avoid battery replacements for the life of the device. It uses photoelectric smoke sensing and includes fast alerts with an 85 dB alarm and multi-color LED status. It suits homes needing reliable, long-life smoke detection without wiring.","ideal_for":"For the longest battery life, the DETECT 20SD10 is a sealed 10-year battery smoke alarm with no battery changes for 10 years."},{"brand":"Kidde","model":"P4010DCS-W (Kidde 10-Year Worry-Free Battery Powered Interconnected Smoke Detector with Voice Alerts, 2-Pack)","price_gbp":43.21,"origin_country":null,"specs":{"alarm_volume":"85","battery_life":"10","connectivity":"Radio frequency wire-free interconnectivity"},"confidence_score":null,"sources":[{"label":"Home Depot","url":"https://www.homedepot.com/p/Kidde-10-Year-Worry-Free-Battery-Powered-Interconnected-Smoke-Detector-with-Voice-Alerts-2-Pack-P4010DCS-W-21028749/302682495","currency":"USD","source_country":"US","price":89.97,"price_gbp":68.14,"scraped_at":"2026-06-24T15:47:48.736294"},{"label":"Crown Supply","url":"https://www.crownsupply.com/itemdetail/04787127308","currency":"USD","source_country":"US","price":57.06,"price_gbp":43.21,"scraped_at":"2026-06-24T15:47:48.736294"}],"summary":"This Kidde kit includes two 10-year, sealed-battery smoke alarms with voice alerts. The alarms are interconnected wire-free using a proprietary radio signal, so connected units sound when one alarm detects smoke. They also provide supervised interconnect so the system can alert if an alarm loses connection.","ideal_for":"For the longest battery life, choose this Kidde model because it uses a sealed 10-year lithium battery with no battery replacement during the alarm's life."}]}