How to change smoke alarm batteries-Three different styles

Three different styles of smoke alarms and how to change the batteries on them.  Smoke alarms will beep if they are getting low on batteries. If you suspect they are out or low, just replace the battery. Check them often and have more than one in a each area in case one happens not to work. It's a good idea to check these once every few months. You can test them by pressing the button on the front of the smoke alarm. If it doesn't make a loud beep when you push it, then the battery is dead or the smoke alarm is bad and should be replaced immediately. It's a good idea to have a smoke alarm in each room. There is no reason not to as they are very affordable and they are proven to save lives.