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PowerAudit is a professional battery and power monitoring tool for Android. - Real-time battery monitor with engineering-level precision. - Track voltage, current, temperature, power draw, and charge cycles. - 5 interactive charts for discharge curves and trends. - Battery health analysis with internal resistance and Peukert exponent estimation. - USB OTG sensor support. - Export to CSV. 8 color themes. - Configurable alerts. - All data stays on-device — no cloud, no tracking.
Real-time battery health, voltage, current & temperature monitor
PowerAudit is a professional-grade battery and power monitoring tool for Android. Get real-time insights into your device's battery health with engineering-level precision. ★ LIVE DASHBOARD • Battery level, voltage, current, temperature & power draw updated in real time • Estimated time remaining and charge cycle tracking • Clean, minimal interface with sparkline graphs ★ DISCHARGE & CHARGE CURVES • Visualize battery level, voltage, current, temperature and power over time • Configurable time ranges: 1 hour to 7 days • Identify power-hungry apps and abnormal drain patterns ★ BATTERY HEALTH ANALYSIS • Internal resistance estimation from voltage/current drops under load • Capacity degradation tracking vs. design capacity • Peukert exponent calculation for real-world capacity modeling • Coulomb counting for accurate state-of-charge ★ USB POWER MONITOR (OTG) • Connect INA219/INA226 current sensors via USB OTG • Measure bus voltage, current draw, and energy consumption of external devices • Built-in DIY wiring guide for sensor setup ★ DATA LOGGING & EXPORT • Configurable logging intervals from 1 second to 5 minutes • All data stored locally in IndexedDB — never leaves your device • Export raw CSV for analysis in Excel, Python, or MATLAB ★ PRIVACY FIRST • Zero ads tracking or analytics • No cloud, no accounts, no data collection • Works fully offline after first load