Video doorbell battery charging issue

I have been charging my battery for about 12 hours. Both the green and amber lights are solid and have never blinked; However, it will not go to solid green si I assume not fully charged, is this normal or an indication of a bad battery?

Hi @user51568. This is not typical for a battery. Batteries will usually charge within 8 hours. I would suggest using a different charging cable and/or different outlet to see if that improves the charge time.