Battarang Notifier sends alerts to another device when an Android battery is low or fully charged.
Battarang
Battarang syncs notifications when an Android device’s battery is low or fully charged.
About Battarang
Battarang is an open-source, cross-platform service that syncs battery level notifications for Android devices to macOS, web, and Windows devices. It alerts users when an Android device’s battery is low or reaches a user-specified charging threshold, eliminating the need to frequently check the device itself for battery status.
The service helps users extend their device lifespan by sending reminders to avoid draining batteries to 0% and unplug chargers when levels reach roughly 90%. It pairs devices locally with no data stored on external servers, preventing spam notifications and prioritizing user privacy. It is suited for anyone who wants to monitor their own Android device battery or track charging status for family members’ devices.
Key features
- Sends low battery and custom charging threshold alerts for Android devices
- Pairs devices locally with no server-stored data to prevent spam notifications
- Uses one notification channel per device to avoid notification clutter
- Runs with minimal resources, idle until battery conditions are met
- Core service is free with optional paid Notifier app, no ads or trackers
- Open-source code for user transparency and verification
Best for: It is most useful for people who want to track their own or family members' Android device battery levels across macOS, web, or Windows devices.
Good for
- Privacy-focused with local pairing and no server data storage
- Low resource usage that does not impact device performance
- No ads or trackers in the free core service
- Simple setup with no unnecessary notification clutter
Watch out for
- Only supports battery monitoring for Android devices, not other mobile operating systems
- Browser notification availability depends on browser and OS background settings
Battarang at a glance
- Website
- battarang.anissan.com
- Category
- Mobile Apps › Android Apps
- Type
- Website
- Pricing
- Freemium
- Platforms
- Android, macOS, Web, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Battarang alternatives
Tools and sites you could use instead, ranked by how closely they match.
Batt displays battery status information on Android, offering a simple way to check device power details from an app.
MetaRadar monitors nearby Bluetooth Low Energy devices, with custom filters and notifications for matching device fingerprints.
Open source
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Battarang FAQ
Will I get battery notifications if my browser is closed?
It depends on your browser and operating system. Most Android, macOS, and Edge on Windows browsers support notifications when all tabs are closed, but other browsers may require enabling background app running in settings.
Is Battarang free to use?
The core service is free to use, with an optional paid Notifier app available for purchase. The service has no ads or trackers.
Does Battarang collect my personal data?
Battarang does not collect personal data; pairing tokens are stored only on your local Notifier client, not on servers. Only error log data may be collected by the Google Play Store if the app encounters an error.
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