Beam

byPsychopath · Tools

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5.0

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android

AI summary

Beam shows live battery metrics in a persistent status bar notification with a full breakdown in-app. Choose which metrics appear, including power draw, current, voltage, temperature, and time-to-full estimates. Open source under MIT license with no ads or data collection. Added charging time estimates for devices that lack native support and improved Screen Time accuracy across reboots.

Generated by AI. May contain inaccuracies.

About this app

Beam displays live battery metrics as a persistent status bar notification and shows a full breakdown in-app.

You can choose which additional metrics appear in the notification body.

Beam is inspired by the original Wattz app.

Metrics

- Power (watts) - Current (amps) - Voltage (volts) - Energy level (watt-hours and amp-hours) - Temperature (celsius) - Charge level (percent) - Is charging (yes/no) - Charging since (date/time) - Time to full charge (duration)

Privacy

- No unnecessary permissions - No ads - No collection of user data of any kind - No sharing data with third parties

License

MIT

battery monitor system info open source offline notification tools

What's new

v1.9.1Jul 27, 2026

Added remaining charging time estimate on devices that don't provide one. - Improved Simplified Chinese translation. - Fixed Screen Time accuracy across reboots and lock-screen wakes.