WattBench: Charger&Cable Test

⚡ WattBench — Real-Time Battery Power & Charging Telemetry

WattBench is a precise, lightweight hardware power monitor designed to inspect your device's live charging performance, battery health, and power consumption with millisecond accuracy.

Whether you want to verify your charger's true output or see how much power your device consumes while in use, WattBench provides clean, real-time hardware telemetry without unnecessary bloat.

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🔥 KEY FEATURES
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⚡ Live Charging & Power Meter
• Real-Time Wattage: Accurately calculated live power in Watts (W).
• Voltage & Current: Real-time battery voltage (V) and charging current in milliamperes (mA).
• Peak & Average Stats: Automatically tracks peak wattage and rolling average power during your session.
• Charging Profile Detection: Instant detection of Fast, Turbo, or Standard charging protocols.

📊 Dynamic Power Timeline Graph
• Live Power Curve: Visualizes power fluctuations as your device charges or discharges.
• Screen State Detection: Automatically detects and marks screen on/off transitions with 📱 and 🔒 indicators.
• Screen-Off Background Shading: Shaded regions clearly distinguish when the display was active versus locked.
• Charging vs. Discharging: Color-coded lines instantly reflect power draw versus incoming charge.

🔒 Screen-Off Background Telemetry
• Measure true charging wattage without display power draw interfering with your readings.
• Dedicated low-overhead foreground telemetry keeps tracking uninterrupted even when your phone is locked.
• Clean status bar notification displays live wattage at a glance with a one-tap stop button.

🔋 Battery Health & Diagnostic Info
• Instant readout of battery health condition, level (%), and design capacity (mAh).
• Real-time battery temperature (°C) monitoring to prevent overheating.
• Customizable telemetry refresh rate (500ms, 1000ms, 2000ms).

🛡️ 100% PRIVATE & LOCAL
• Zero data collection: No analytics, tracking IDs, or remote server connections.
• All telemetry and battery calculations run 100% locally on your device.

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🧪 CLOSED TESTING / FEEDBACK
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Thank you for participating in our closed testing track! Please test charging with different adapters and feel free to submit feedback and performance reports directly through Google Play.