Unplug: Full Battery Alarm for Android
Alarm-based charger management for healthier Android batteries
- Free
- 4.7
- V 1.0.3
Alarm-based charger management for healthier Android batteries
Set a loud, threshold-triggered alarm that sounds when your device reaches a chosen charge level, helping you avoid prolonged 100 percent charging cycles. Developed by HPG Mobile for Android utilities, the app pairs customizable ringtones and volume with real-time diagnostics like battery health, temperature, and charging source. It suits overnight chargers, users concerned about battery aging, and people who work in hot environments and want explicit disconnect prompts.
What does Unplug do at charge completion?
The app monitors battery level and emits a full-screen alarm when a user-defined threshold is reached, for example 80, 90, or 100 percent. The alarm supports custom ringtones, adjustable volume, and vibration toggles, and the full-screen interface lets you stop alerts with a single tap or slide on the lock screen. The app also shows charging source at a glance, differentiating AC, USB, and wireless charging.
Does it affect device performance during monitoring?
The tool runs as a background service and is described as having a lightweight footprint designed for efficient background operation. It reports real-time diagnostics such as voltage and temperature without requiring an internet connection, and the alarms still trigger even when the app is not open on screen. Low battery warnings are included so the monitoring role spans both high and low charge events.
Is it safe and private to use on a daily basis?
Unplug stores battery data locally and operates offline, adhering to the developer's "Honest by Design" privacy approach that avoids accounts and remote telemetry. The app provides battery temperature alerts to warn of overheating and displays health status to help protect hardware. A one-time premium option removes ads for users who prefer an ad-free experience while preserving offline operation.
Recommended for routine chargers who want explicit, privacy-focused alerts
The app suits Android users who want clear end-of-charge prompts and local battery diagnostics without cloud data. A practical tip is to test alarm behaviour on your device after install, because some manufacturers employ aggressive battery-saving settings that may prevent background services from running; you may need to disable battery optimization or lock the app in recent tasks. That behaviour is its main operational caveat.
Pros
- Custom alarm thresholds (80, 90, 100 percent) for charge control
- Offline operation with local battery diagnostics only
- Battery temperature alerts and health status reporting
- One-time premium option for an ad-free experience
Cons
- May require disabling OEM battery optimization on some devices
- Does not rely on an internet connection, so no cloud backups of settings
Unplug: Full Battery Alarm for Android
- Free
- 4.7
- V 1.0.3