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Alarmo CMOS Battery Replacement

What you need

  1. Alarmo CMOS Battery Replacement, Removing the outer screw.: step 1, image 1 of 1
    • Flip your Alarmo so you can see the USB-C port.

    • Use a tri-point Y00 driver to remove the silver screw just below the S/N sticker.

  2. Alarmo CMOS Battery Replacement, Opening the alarmo.: step 2, image 1 of 2 Alarmo CMOS Battery Replacement, Opening the alarmo.: step 2, image 2 of 2
    • Turn the Alarmo's Frontplate counter-clockwise until it pops out.

  3. Alarmo CMOS Battery Replacement, Unscrewing CMOS battery bracket and cover.: step 3, image 1 of 2 Alarmo CMOS Battery Replacement, Unscrewing CMOS battery bracket and cover.: step 3, image 2 of 2
    • Use a Philips #00 driver to remove the silver screws in the CMOS bracket and cover.

    • The screw on the black CMOS battery cover won't come off, but it will allow the cover to be removed.

  4. Alarmo CMOS Battery Replacement, Removing the CMOS battery.: step 4, image 1 of 2 Alarmo CMOS Battery Replacement, Removing the CMOS battery.: step 4, image 2 of 2
    • Remove the battery cover, flip the bracket upside down, and the battery will come off.

  5. Alarmo CMOS Battery Replacement, Inserting the new CMOS battery.: step 5, image 1 of 1
    • Insert your new battery with the positive side facing up.

  6. Alarmo CMOS Battery Replacement, Re-inserting the CMOS battery bracket.: step 6, image 1 of 1
    • Use a Philips #00 driver to rescrew the two silver screws that hold the CMOS bracket.

  7. Alarmo CMOS Battery Replacement, Re-inserting the CMOS battery cover.: step 7, image 1 of 1
    • Use a Philips #00 driver to rescrew the silver screw that hold the CMOS cover.

  8. Alarmo CMOS Battery Replacement, Closing the alarmo.: step 8, image 1 of 1
    • Snap the front plate with the back of the alarmo.

    • Align the charging port with the charging port hole.

  9. Alarmo CMOS Battery Replacement, Locking the faceplate.: step 9, image 1 of 1
    • Turn the faceplate clockwise as much as you can.

    • Check the USB-C port at the back to see if you aligned it correctly.

  10. Alarmo CMOS Battery Replacement, Screwing the outer screw.: step 10, image 1 of 1
    • Use a tri-point Y00 driver to screw the silver screw just below the S/N sticker.

Conclusion

You swapped the battery! No more steps required.

When you power on the alarmo, the clock will be set at 1AM at 01/01. It will be adjusted automatically after a few seconds if you have an internet connection set up. If you don't have an internet connection or it doesn't adjust after a minute, you can adjust the Time and Date at settings -> Date and Time.

Please throw your old battery in a battery collection point.

One other person completed this guide.

Dante

Member since: 03/07/26

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