BatteryGuard: Battery Monitor

BatteryGuard helps you monitor your phone’s battery, charging behavior, temperature and power usage in a simple and clear way.

Check the current battery level, temperature, voltage, charging current, estimated charging power and power-saving status. BatteryGuard can record battery data over time, display interactive charts and notify you when the battery reaches a selected charge level or becomes too hot.

The customizable dashboard lets you choose the battery indicator, colors, background and arrangement of information panels. BatteryGuard can also learn from previous charging sessions to provide more useful charging-time estimates.

Main features

Battery monitoring

View the current battery level, charging status, temperature, voltage, current, estimated power and power-saving status.

Battery history

Review battery level, temperature and voltage changes using interactive charts. BatteryGuard stores historical data locally on your device.

Charging sessions

Review previous charging sessions, charging duration and recorded battery changes.

Charging alerts

Choose a preferred charge level and receive a notification when the battery reaches it.

Temperature alerts

Receive a warning when the battery temperature exceeds your selected limit. Celsius and Fahrenheit are supported.

Battery usage

View estimated app usage using Android usage statistics. This feature requires optional usage access permission.

Customizable dashboard

Choose different battery indicators, backgrounds, colors and panel arrangements.

Home screen widget

Add a widget to quickly check the battery level, temperature and charging status.

Battery care guide

Read practical information about reducing heat, avoiding deep discharges and developing better charging habits.

Remove ads

Advertisements can be removed with an optional one-time purchase.

Important information

BatteryGuard monitors information provided by the Android system. Available parameters and their accuracy may vary depending on the phone manufacturer and Android version.

The app cannot physically repair a battery, restore lost capacity or directly stop charging. Charging control requires support from the device manufacturer, system-level permissions or root access.

Optional permissions

• Usage access is used only to display estimated app usage.

• Notification permission is used for battery level and temperature alerts.

• Background operation may be required for continuous monitoring, history recording and widget updates.

Battery history, settings and learned charging information are stored locally on your device.