Charge battery and use mechanical doorbell using a switch

In stead of using the jumper on your existing doorbell transformer (so that it can load the doorbell camera) use a wire with a switch to close the chime transformer, and fix the switch to the doorbell case.

When you switch on, your doorbell will be charging (if at 80% or lower, back to 90%) but you cannot use the mechanical doorbell.
When you switch off, your mechanical chime can be used (and the doorbell uses the battery).

Much easier to charge (as you do not need to remove the eufy anymore, but you just flip the switch), or making sure that eufy is charged when you are not home for a longer period of time (when you do not need your mechanical doorbell to ring).

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