Doorbell battery drains in a couple days. I’ve adjusted all the settings and there’s minimal notifications. I even purchased an alternate batter and that drains in a few days as well. The doorbell cam isn’t hardwired but it’s connected to a solar panel to
The other factor to consider is how many motion events do you have in a day? I have a few dozen and have no issues with battery life. If you have hundreds or multi-hundreds that might account for it.