DSC-WS4904 Motion Sensor Battery Replacement

DSC-WS4904 Motion Sensor Battery Replacement

Battery Replacement

Battery Required:  One 3V CR123A

To replace the battery:

  1. Using a Phillips-head screwdriver remove the screw located at the bottom of the detector, then slide it upward to remove it from the backing. 
MD Slide Upward.jpg
  1. Unscrew the battery cover. Your panel will show a tamper signal and beep; this is normal.
MD Unscrew Cover.jpg
  1. Remove the old battery. 
  2. Insert the new battery. The polarity of the battery must be observed. 
MD Insert Batteries.jpg
  1. Replace screws, then slide the detector downward, back onto the wall plate.
MD Replace Screws.jpg
  1. Secure detector to plate with screw.
    • Related Articles

    • DSC-PG9914 Motion Sensor Battery Replacement

    • DSC-PG9904 Battery Replacement

      How to Replace the Battery on your PG9904 Motion Sensor Take small screw driver and remove the screw from the bottom of the sensor and remove cover Lift tab to remove the circuit board and turn it around to reveal the battery (CR 123A) Remove the ...
    • DSC-PG9303 Battery Replacement

      PG9303—Battery Replacement When it is time to replace the battery in your door/window sensor, you will see an alert on your system panel, as well as a notification in the alarm.com app The DSC PG9303 door/window sensor requires a 3-volt lithium ...
    • DSC - Power G Sensors - Replacement Battery Guide

      Below is a chart of the various sensors used with specific DSC & Qolsys systems (predominantly DSC Neo and Qolsys IQ2+ series alarm systems). Included is the Sensor Type (primary use), Part #/Description (mostly used by dealers), Voltage, Type (of ...
    • DSC-PG9945 Battery Replacement

      How to replace the PG9945 battery The DSC PG9945 door/window sensor requires a 3-volt lithium CR123A battery, which can be purchased at your local hardware, mass retailer, or battery store. Step-by-Step Instructions: 1. Locate the sensor with a low ...