HandyMn It works OK, runs on batteries long enough and can be charging at the same time. quite happy with this device.

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Richie3971 If I connect to old doorbell wires (14 volt AC) will it charge the internal batteries as well?
Also when I connect to my old door bell wires, will it ring my old doorbell chimes (old bell) that connect to the wires?

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HandyMn This is what it should be doing, but I have not tested it yet. It has to be AC...

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HandyMn you want to remove your old door bell completely and run the wires directly to the new device, it must supply AC voltage.

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HandyMn @Richie3971 Your first question is answered YES.
The second is NO, absolutely not and you should be removing all the old hardware, just leaving 14V AC transformer, it may be necessary to check/trace existing wires to make sure 14V AC is supplied to the new device.

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