Qolsys Key Fob Batteries

Find the image of your key fob below to view instructions on how to complete your battery replacement.

Qolsys QS1310-PO1 IQ FOB 4-Button Key Fob:

Remove the screw from the back of the key fob to remove the back panel.

Remove and replace GF27A 12-Volt Alkaline battery.

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Qolsys QS1331-840 IQ FOB-S Encrypted 4-Button Key Fob:

Insert a coin into the side slot to pry the circuit board from the backplate.

Remove and replace CR2032 battery with the + side face down.

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Qolsys QS1312-P01 DESK IQ FOB 2-Button Key Fob:

Insert a screwdriver into the slot to open the front cover.

Slide the CR2032 battery out to remove and replace with the + side face up.

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Interlogix WST-102 Wireless Sensor 4-Button, 345Mhz, Chrome-Plated Key Fob:

With a key or small screwdriver, push up on the black tab located at the bottom of the key fob and slide the chrome trim off.

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Carefully separate the front and back piece of plastic to reveal the battery.
Remove and replace CR2032 battery with the + side face up.

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Reassemble the plastic pieces, ensuring they click back together.
Ensure the notch in the chrome trim is aligned with the back of the plastic.


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