PowerAudit - Battery 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