Use the plastic tab to gently open the battery compartment.

First alert battery replacement. Remove the motherboard and battery cover. If a transmitter is not readily accessible, or you choose to. What do i do if i need help?

Disconnect all power sources (take out the battery, if it is a plug in alarm remove it from the outlet, and if it is hardwired alarm disconnect it from any wiring). The alarm should fall off once rotated. For more information on how to replace detectors that require 9v batteries, read:

9v has been the battery of choice for smoke alarms for many years. Its battery drawer pivots so you can easily replace it if needed. Refer to the list to find the right batteries for common first alert alarms.

Can you replace the battery in a sealed smoke detector? Trade platform for china first alert smoke detector battery. The keypad doesn't have a battery in it.

Instead, find the master control panel (metal cabinet attached to the wall somewhere) and. How to change batteries in first alert alarms. Using flat screw drivers, pull apart the four tabs on the smoke detector.

Thank you for watching and don't forget to test. For more information on how to replace detectors that require 9v batteries, read: However, nowadays, it is more common to see two or three aa’s in smoke detectors.