Apple doesn't allow third-party apps to trigger alarms in the same way, but you can use the built-in app: Open Shortcuts and tap the Automation tab. Create a Personal Automation . Select Battery Level and slide the bar to Equals 100% .
While tiny, "vampire power" from chargers adds up across multiple devices in a household. battery 100 alarm
Add the action (e.g., "Phone is charged!") or "Play Sound." For Laptops (Windows/Mac) Apple doesn't allow third-party apps to trigger alarms
If you want to be a true battery pro, set your alarm to . Pushing that last 10% requires the most voltage and creates the most heat. If you’re near a charger throughout the day, an 80% limit can keep your battery healthy for years longer than average. The Bottom Line While tiny, "vampire power" from chargers adds up
Laptops are even more prone to battery swelling if left plugged in 24/7. Tools like (Windows) or AlDente (Mac) can notify you or even physically stop the charging at a specific percentage. Pro Tip: Don’t Always Aim for 100
You don't have to constantly wake your screen to check the percentage. The alarm does the work for you. How to Set Up a Battery 100% Alarm For Android Users
By preventing your battery from "simmering" at 100%, you slow down the chemical aging process.