Contact (door/window) sensor: what about the different Aqara T1 types?

Hardware
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1

I’m doing some research to buy new contact sensors since the Sonoff snzb-04 that I have isn’t reliable enough.

It has happened +/- 3 to 4 times (in 3 years) that, even if the battery level is reported as good, all of a sudden there is no connection/feedback anymore.
A few days ago, with 67% of battery for over 1,5 month, it fell off the mesh again.
It sits close (about 1m) to an IKEA bulb and there should be no interference.
Of course after resetting/repairing it works again.
My mesh is very stable/reliable.

I prefer to stick with zigbee and I’m looking at Aqara but discovered there are at least 3 different classic zigbee models:

  • Door and window sensor T1 / MCCGQ12LM / DW-S03D (white label)
    Exposes: contact, battery, voltage, linkquality

  • Door and window sensor / MCCGQ11LM
    Exposes: contact, battery, device_temperature, voltage, power_outage_count, trigger_count, linkquality

  • Door and window sensor E1 / MCCGQ14LM
    Exposes: contact, battery, battery_low, voltage, linkquality

Anyone that has more insight/experience with these?
TIA

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I know this is an old thread, but I have recently started having problems with one particular device which keeps dropping off the network, battery replaced, its literally 1.5m from the co-ordinator. My network is a SONOFF co-ordinator and zigbee2mqtt with multiple repeaters / lights providing a robust network.

The particular device is a MCCGQ12LM which is the only one of this particular model. All my other contact sensors are MCCGQ11LM devices which never fail.

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3

Same here; all older MCCGQ11LM work fine, but the one newer MCCGQ12LM I have is not reliable. No battery reporting, goes offline every few days. New battery did not help.

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4

24hrs now since re-pairing. Still connected but not reporting battery state. I think I will have to report this on the Z2M github.

5

Thanks for chiming in guys!

I went ahead and ordered 1 for testing so I also got a MCCGQ12LM and have the same issue with battery reporting (using Z2M).
Tried re-pairing multiple times but without any luck.

OTH: the sensor works reliably so far (using +/- 5 weeks only)

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I recently bought 2 MCCGQ12LM (at least that is how they are identified in Z2M). The sensors themselves work fine, but I cannot get a battery reading for either of them. :frowning: @Nick4, is that the same problem as you had? Did you find a solution?