Battery Health Controller

🔋 Battery Health Controller – Know Everything About Your Battery

Is your phone dying faster than it used to? Battery Health Controller gives you a complete, real-time picture of your battery's condition — from live voltage readings to long-term lifespan predictions powered by AI.

Whether you're a power user who wants deep diagnostics or just someone who wants their phone to last all day, this app has everything you need.

──────────────────────────────────────
📊 REAL-TIME DASHBOARD
──────────────────────────────────────
• Live battery percentage, voltage (mV), current (mA), and power output (mW)
• Instant health score (0–100%) with color-coded status
• Battery temperature in °C and °F with status (Cool / Warm / Hot / Critical)
• Charge/discharge rate tracking
• Estimated time to full charge or complete discharge

──────────────────────────────────────
❤️ HEALTH METRICS & HISTORY
──────────────────────────────────────
• Battery health percentage calculated from real device data
• 30-day interactive history chart — see how your battery degrades over time
• Charge cycle count with average depth-of-discharge
• Voltage and temperature trends with MPAndroidChart graphs
• Export your full battery history as a CSV file for personal analysis

──────────────────────────────────────
🤖 8 ADVANCED AI & SMART FEATURES
──────────────────────────────────────

1. 🔮 AI LIFESPAN PREDICTOR
Machine-learning linear regression model analyzes your personal charge/discharge history and predicts when your battery will drop below 80% — shown as a date and remaining days.

2. ⏰ SMART CHARGING SCHEDULER
Set a charging window (e.g., 11 PM – 7 AM) and the app uses AlarmManager to remind you to plug in or unplug at exactly the right time to maximize battery lifespan.

3. 🏆 HEALTH BENCHMARKING
Compare your battery's health against a global database of the same device model. See how your battery holds up versus other users — percentile ranking included.

4. 🗓️ CHARGING HEATMAP
A custom-drawn calendar heatmap shows which hours of the day and days of the week you charge most. Identify charging habits that may be shortening your battery life.

5. 🏠 HOME SCREEN WIDGET
A beautiful, auto-updating widget shows your battery percentage and health score directly on your home screen — no need to open the app.

6. 📡 MULTI-DEVICE BLUETOOTH TRACKER
Monitor the battery levels of all your Bluetooth accessories — earbuds, smartwatch, keyboard, mouse — in one unified list using BLE GATT protocol.

7. ⌚ WEAR OS COMPANION
Sends real-time battery stats to your Wear OS smartwatch via the Wearable Data Layer API. See your phone's battery health right on your wrist.

8. 🌡️ THERMAL THROTTLE DETECTOR
Uses PowerManager's thermal status API to detect when your device is being thermally throttled. Logs every throttle event with timestamp and temperature, so you can correlate heat with battery drain.

──────────────────────────────────────
⚙️ OPTIMIZATION TIPS
──────────────────────────────────────
Personalized, actionable tips based on YOUR battery's condition:
• When to charge and when to unplug
• Temperature management advice
• Settings to extend daily runtime
• Alerts when your battery needs professional attention

──────────────────────────────────────
🔒 PRIVACY FIRST
──────────────────────────────────────
• All battery data is stored ONLY on your device
• No account required, no sign-in, no cloud sync
• Bluetooth scanning is 100% optional
• We never sell or share your data

──────────────────────────────────────
✅ WORKS ON
──────────────────────────────────────
• Android 8.0 (Oreo) and above
• All Android phones and tablets
• Wear OS smartwatches (companion feature)
• Bluetooth accessories via BLE

Download Battery Health Controller today and start taking care of the battery that powers your life.