Battery Pro

Why Battery Speed Monitor Pro?
Go beyond basic battery icons. This professional telemetry tool is built for power users, technical enthusiasts, and anyone who wants to extend battery lifespan. With a high‑efficiency background service, it reveals real‑time battery data hidden by standard settings—turning your power stats into a visual dashboard.

⚠️ Emergency Reserve Mode
Set a critical reserve at 5% or 10%. When triggered, the app locks down non‑essential functions and gives one‑tap access to calls, maps, and payment apps.
📊 24‑Hour Heatmap
Track when and how your battery drains. Spot hidden patterns and optimize your habits.
🔔 Charge Alarm
Prevent overcharging damage. Set alerts at 80% or 100%—get a visual + sound notification when it’s time to unplug.
🔍 Technical Telemetry
Access deep hardware data:
• Voltage (mV) stability
• Battery chemistry (Li‑ion, Li‑poly, etc.)
• Health diagnostics (Good, Overheat, Cold, Failure)
• Thermal monitoring with Red UI warning above 45°C
⏳ Smart Charge Estimator
Know exactly how long until full charge—no more guessing.

🔒 Data Privacy
• 7‑Day History: Stored locally with Room Database
• 100% Local: No uploads, no external servers
• Auto Pruning: Old data overwritten after 7 days

🌟 Pro Advantages
• Ad‑Free Interface – Focus on your data
• Persistent Background Service – Optimized for Android 14+
• Material 3 Design – Sleek, dynamic themes with Dark Mode