Video Doorbell 2 - Solar Charger Status "Connected" But I Don't Have One

The subject sums up my issue. I noticed when checking the device health of my video doorbell that it now has a section labeled "Solar Charger Status" that I hadn't noticed before. It says "Connected" but I don't own a solar charger and don't have one connected to my doorbell. This may not sound like a big issue but this discovery coincides with the discover that the battery has been completely depleted for at least 3 days even though my doorbell is hardwired. It had worked fine for over a year and half until this week. Now, I did set up linked events with my other cameras so it's possible that the doorbell is working overtime and that could be the cause, but wouldn't it at least have charged a little over the past 3 days via the hardwiring? Of course, another possiblity is that the battery is at the end of its life and needs to be replaced (I've currently got it charging on a micro USB cable so I'll see soon enough). _ **But my main question is is it possible that since it thinks a solar charger is connected that it's not using the hardwiring anymore and therefore not charging at all?** _ Thanks!