T8213 doorbell, HDR, and battery consumption?

I’ve got a backlighting problem with the T8213 doorbell camera here at my place that I think that HDR will fix. Wondering how much more battery consumption, if any, that I’ll see if I use HDR? I’m asking because I would think that HDR would be enabled by default if it didn’t require more battery. Wondering what kind of battery consumption difference that people that have turned on HDR are seeing?