Privacy Policy
Power Battery is built around honesty, and that includes your data. Most of what the app does happens on your device. We do not sell your personal information. This policy explains exactly what is collected, why, and who it is shared with.
1. Information the app handles
| Data | Purpose | Leaves your device? |
|---|---|---|
| Battery & device telemetry — level, health, capacity (mAh), charge cycles, temperature, voltage, current, power (W), screen-on/off usage | Show battery stats, health, wear and care insights | Stored locally on your device. A short summary is sent to the AI service only when you use Volt (below). |
| AI advisor (“Volt”) requests — a summary of your battery health and charging habits, plus your typed question | Generate the plain-language reply you asked for | Yes — sent to Google’s Gemini API (via Firebase AI) only when you ask Volt a question. Used to produce your answer; not used to train models and not sold. |
| Usage & diagnostics — feature/screen events, app version, device model, OS, coarse app-interaction data, crash logs | Understand which features are used and fix crashes | Yes — Google Firebase Analytics & Crashlytics. |
| Advertising data — advertising ID, approximate location, device identifiers | Show opt-in rewarded ads (only where enabled) | Only if ads are enabled in your region and you choose to watch a rewarded ad — processed by Google AdMob. See §4. |
| Purchases — Pro subscription/one-time purchase status | Unlock Pro features and restore purchases | Handled by Google Play Billing; the app stores your entitlement status. |
| Connected devices — Bluetooth battery levels of paired devices | Show earbuds/watch/speaker battery | Read on-device only; not transmitted. |
2. How we use information
- To display your battery’s real health, capacity, charging and wear, and to generate care insights.
- To answer your questions in the Volt AI advisor, grounded in your own battery data.
- To keep the app stable and improve the features people actually use.
- To provide Pro features to purchasers, and — where enabled — optional rewarded ads.
3. The Volt AI advisor
When you ask Volt a question, a summary of your battery health and charging habits (numbers only — no contacts, accounts, or personal identifiers) and your message are sent to Google’s Gemini API to generate a reply. AI answers can be imprecise, so each carries a notice and a one-tap report option. This data is used to produce your response; it is not sold and, per Google’s API terms, is not used to train Google’s models.
4. Advertising
The app is rated for all ages and follows Google Play’s Families Policy. Ads, when enabled, are Google AdMob only, rewarded and opt-in (you must tap “Watch ad”; nothing is forced), and shown only in specific regions to non-paying users. Ad content is restricted (max content rating “G”) and personalized ads are not served to children. AdMob may process your advertising ID, approximate location, and device identifiers to deliver and measure ads. You can reset or limit your advertising ID in your device settings. Pro users see no ads.
5. Sharing & third parties
We do not sell your personal information. Data is shared only with service providers that make the app work:
- Google — Firebase (Analytics, Crashlytics, Remote Config, AI/Gemini), AdMob, and Google Play Billing (in the app); and Google Analytics 4 (cookies) on this website to measure visits. See Google’s Privacy Policy. You can opt out of Google Analytics with the browser add-on.
- Amazon — some screens may show contextual affiliate product links; tapping one opens Amazon, which is governed by Amazon’s own privacy policy. As an Amazon Associate we earn from qualifying purchases at no extra cost to you. We do not share your data with Amazon.
6. Data retention
Battery telemetry is stored locally and can be cleared by clearing app data or uninstalling. Analytics and crash data are retained per Google Firebase’s default retention. AI requests are processed to return your answer and are not retained by us as an identified profile.
7. Your choices & rights
- Opt out of the AI advisor by simply not using the Volt tab.
- Reset or limit your advertising ID in Android Settings → Privacy → Ads; upgrade to Pro to remove ads entirely.
- Clear all locally stored battery data by clearing the app’s storage or uninstalling.
- Depending on where you live (e.g. EEA/UK GDPR, India DPDP), you may have rights to access, correct, or delete your data — contact us below.
8. Children
The app is suitable for all ages and does not knowingly collect personal information from children beyond what is described here, and does not serve them personalized ads.
9. Security
Data in transit to our service providers is encrypted (HTTPS/TLS). No method of transmission or storage is 100% secure, but we use reputable providers and collect as little as possible.
10. Changes
We may update this policy as the app evolves; material changes will update the “Last updated” date above.
11. Contact
Questions or requests: kavinalmighty@gmail.com.