Battery Alarm Pro - Full & Low

Battery Alarm Pro alerts you by sound, voice, vibration or a big screen when your battery reaches the level or temperature you choose, once per charge and never nagging. It also shows current, battery health, charge history and your Bluetooth earbuds' battery.

KEY FEATURES

■ Full charge, low battery and heat alarms
Avoid overcharging: get alerted when charging reaches 100%, or 80–90% to reduce battery wear (50–100%). No alarm if you plug in above the target. Low battery alerts you below your %; high temperature above your limit (45°C by default).

■ Once per charge
Re-plugging within 1 minute counts as the same charge. Repeat rings every 5, 10, 15 or 30 minutes while the condition lasts.

■ Choose how it alerts
• 11 built-in sounds (Chime, Siren and more), Random, phone alarm sounds or music, with volume per alarm.
• Read aloud your own text with the level or temperature.
• 5 vibration patterns, camera flash and a big screen to stop it, even when locked.
• A short alert or ring until stopped (10 seconds to 10 minutes).

■ Easy to stop
Stop from the notification or big screen, with a volume key or Back, or just unplug. It also stops after the set time.

■ Quiet hours and pause
No sound at night (notification or record only), except alarms you allow. Pause them for 1, 3 or 8 hours in one tap.

■ Alarm history
When each alarm rang, at what % and how it stopped, and why one didn't ring (paused, quiet hours, silent mode).

■ Your battery at a glance
Level, charger type, current (mA), power (W), temperature, voltage, health, estimated capacity, charge cycles (Android 14+) and type. Time to full and time left show only when your data supports them.

■ History, capacity and health
Level and temperature charts (24 hours, 7 days, all time), drain per hour with screen on/off, charges, time at 100% and max/average temperature. Charges of 20% or more estimate capacity and health. Kept up to 400 days.

■ Status bar and widgets
The level in the status bar, details in the notification, widgets and a Quick Settings tile.

■ Charger, 100% and cold alarms
Alerts when you plug in or unplug, when it stays at 100% on the charger, or when the battery is too cold.

■ Anti-theft
Turn it on while charging at a café. If the charger is pulled out, it rings until the screen is unlocked, even in silent mode, and can't be stopped from the notification. A restart turns it off.

■ Charging animation
Wave, Ring, Bubbles, Bolt, Particles or Neon on the lock screen or over other apps, with level, speed and time to full.

■ Bluetooth manager
Battery of earbuds, headphones and watches, with left, right and case for AirPods and Beats. Per device: low battery alert, pop-up on connect, auto-connect, media volume and an app to open. Devices that don't send their level show only the connection.

FREE AND PREMIUM
Free: the first full/target, low battery and heat alarms with every alert option, quiet hours, alarm history, battery info, 7 days of history, the status bar level, the small widget and Status check.
Premium adds more alarms, anti-theft, charging animation, Bluetooth manager, full history and CSV, temperature/current/power in the status bar, the large widget, the tile and color themes.
It's a one-time purchase, not a subscription. On a new phone, use Restore purchase with the same Google account.

PERMISSIONS
• Notifications: alarms, the Stop button and the status bar level.
• Full-screen notifications: the big screen and the lock screen animation.
• Display over other apps: the animation while in use, device pop-ups and opening an app on connect.
• Nearby devices (Bluetooth): Bluetooth manager only, to connect paired devices and read their battery. Not for location.
• A service with an ongoing notification watches the battery.

PRIVACY
No sign-up needed. Battery history and Bluetooth device info are stored on your device. CSV export (Premium) saves to a place you choose.

Recent changes:
Improvements & bug fixes

• Fixed a crash when opening dialogs on Android 8 and 9
• Fixed the app becoming unresponsive with voice alarms on some devices
• Fixed a crash on some devices when opening Home or History
• Fixed other minor bugs