Ampere reveals how quickly your devices charge, letting you optimize your chargers & cables for lightning-fast power without guesswork.
| Category | Tools |
|---|---|
| Version | v4.35.8 |
| Developer | Braintrapp |
| Google Play ID | com.gombosdev.ampere |
| Requires Android | Android 6+ |
| Architecture | arm64-v8a,armeabi-v7a,x86,x86_64 |
| Update | Jun 09, 2025 |
We help users discover the true performance of their chargers & USB cables. With Ampere, measuring the charging or discharging current of your battery becomes effortless, providing insights that can optimize device charging times. Users can enable widgets & alerts to stay updated in real time on their charging status. This app is straightforward and efficient, allowing anyone to evaluate different charging setups right from their phone. Despite its limitations with certain devices, it offers a practical way to understand which combinations of charger and cable deliver the best results, enhancing device usability and convenience. Join us in making your charging experience smarter & quicker with the simple push of a button.
Ampere takes charging management to the next level with customizable push notifications. Get alerted when your desired charging or discharging rates are reached. Imagine having a personal charging coach guiding you for optimal performance! Ampere extends its functionality to Android Wear, allowing smartwatch alerts while you're on-the-go. Stay informed about your device's charging status even when your phone is a few feet away.
Experience the seamless design of Ampere. No more complicated settings to adjust. Right out of the box, you have essential features ready to go. Your first launch? Simply wait ten seconds and let the app gather data effortlessly. Note that various cables impact results differently. Enjoy versatility through USB, AC, or wireless charging—cables play a crucial role!

This app intelligently measures your battery's charging and discharging currents. Without a charger, it displays discharging values (negative numbers). When plugging in, the current supplied by the charger is calculated, and any excess flows into the battery. For instance, if your phone consumes 300 mA without being charged (-300 mA), a charger supplying 500 mA would result in effective charging of 200 mA (displayed as +200 mA).

Is the purpose of the app clear once you know how it works? Users must log in before accessing features. After login, expect precise results within ten seconds. By following simple steps, anyone can navigate effortlessly. Once Ampere collects enough data—30 values—it simplifies display to show current metrics. The app cleverly stores up to 50 data points but only showcases the top and bottom 10 averages for your convenience.

Experiencing issues with the app? Begin by checking your phone's condition. Often, these hiccups arise during usage. If you encounter error messages, close and restart Ampere. This simple action resolves most irregularities. Still facing issues? Try disconnecting and reconnecting your charging cable. A quick reboot of your device might also do the trick! If none of this helps, consider deleting and reinstalling the app. Persistent problems? Power off your phone and power it back on for a fresh start.


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