I often forget to plug in my phone and then have trouble finding it when the battery runs out. It would be super helpful if I could configure the battery monitor plugin for my devices to warn me when the battery gets low. The minimum would be showing a notification on my desktop (sounds like it should happen already, but doesn't for me and isn't configurable in Battery Monitor). Even better though would be being able to make the device ring so if I'm not at the computer I would still know to grab it and plug it in to charge.