Is it necessary to charge the Wyze Doorbell Pro before it’s installed with a solar panel? vs. without a solar panel? Thanks.
Welcome to the Wyze User Community Forum @CyberLady! 
The Wyze Doorbell Pro should come with the battery pre-charged. However plugging it in to a power adapter prior to installation will insure it is fully charged.
The Wyze Video Doorbell Pro is NOT intended to be used with the Wyze Solar Panel. Please refer to this post explaining that:
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