Smoke Alarm FAQs
I'm ready to change my smoke detector battery - what replacement batteries can I use?
Check your User's Manual or the nameplate on the back of the alarm. Different smoke detectors use different kinds of batteries - 9v, AA, AAA - it all depends on the particular model you have. Use quality batteries like lithium smoke detector batteries - having plenty of power is worth any extra cost. Never use rechargeable batteries because they may not always provide a consistent charge.
