What is the purpose of wiring a wireless door bell when it already has a battery installed?

[campbelljr2]

In your installation instructions you can just use the battery for power or use power from the old door bell.  What is the purpose of wiring a wireless door bell when it already has a battery installed?

[StephenB]

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@campbelljr2 wrote:

What is the purpose of wiring a wireless door bell when it already has a battery installed?

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There are two benefits.

Wiring the doorbell will

• ring an existing chime when the doorbell is pressed
• trickle-charge the battery, avoiding the need to remove the battery and charge it.

[StephenB]

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@campbelljr2 wrote:

What is the purpose of wiring a wireless door bell when it already has a battery installed?

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There are two benefits.

Wiring the doorbell will

• ring an existing chime when the doorbell is pressed
• trickle-charge the battery, avoiding the need to remove the battery and charge it.

[campbelljr2]

I had an electrician wire the wire-free doorbell but it will not ring my existing chime.  Any ideas???

[StephenB]

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@campbelljr2 wrote:

I had an electrician wire the wire-free doorbell but it will not ring my existing chime.  Any ideas???

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What chime is it?