Replace Battery in a Lifesaver Smoke Detector? How do I replace the battery in a Lifesaver Smoke Alarm. My model is 1235 Grab smoke detector and twist …it will come off the bracket Flip over and follow instructions by Jim D google_ad_client = “pub-8763184013262447″; google_ad_channel = “”; google_ad_width = 336; google_ad_height = 280; google_ad_format = [...]