I would like to add a battery-operated smoke detector in the garage ... although some online retailers still have it in stock ...

Instead of an electric circuit ... Each offers different advantages. Traditionally, battery-operated smoke alarms used nine-volt batteries, but increasingly these are changing to AA or even ...

"We can only replace battery-operated fire alarms," he said, stressing they won't be able to replace hardwired, electric alarms ... "They partner with local fire departments and give out free smoke ...