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    Battery replacement

    Match the correct battery, replace it safely, and test the device before rearming.

    Safety notes

    • • Always match the battery chemistry printed on the device — never substitute.
    • • Recycle old batteries at a certified drop-off. Do not throw lithium cells in household garbage.
    • • Never puncture, heat, or short-circuit a battery.
    • • Wash your hands after handling — coin cells are dangerous if swallowed by children or pets.

    Door/window sensor

    CR-2032 (3V lithium coin)
    1. 1. Slide the cover off.
    2. 2. Pop out the old coin cell.
    3. 3. Insert new cell with + facing up.
    4. 4. Press tamper to test.

    Motion sensor

    CR-123A (3V lithium)
    1. 1. Remove the sensor from its bracket.
    2. 2. Unclip the battery door.
    3. 3. Replace the CR-123A.
    4. 4. Walk-test to confirm.

    Glass-break sensor

    CR-123A (3V lithium)
    1. 1. Take the sensor off the ceiling.
    2. 2. Slide the battery cover open.
    3. 3. Replace the battery, orient + as marked.
    4. 4. Run the tester to verify.

    Smoke / CO detector

    2× AA lithium (recommended)
    1. 1. Twist the detector off the ceiling plate.
    2. 2. Swap both AAs together — never mix old and new.
    3. 3. Reinstall and press test.

    Flood sensor

    CR-2032 (3V lithium coin)
    1. 1. Open the puck with a coin.
    2. 2. Replace the CR-2032.
    3. 3. Reassemble and wet-test the contacts.

    Smart lock

    4× AA alkaline
    1. 1. Remove the interior cover.
    2. 2. Swap all four AAs together.
    3. 3. Lock/unlock from the keypad to confirm.

    IQ Panel backup battery

    OEM lithium-ion pack
    1. 1. Power down the panel from Settings.
    2. 2. Unclip from the wall and remove the back cover.
    3. 3. Swap only for the OEM replacement pack — do not substitute.
    4. 4. Boot up and let it charge for 24 hours.
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