Volt Monitor

Volt Monitor is a simple, clear app for tracking your phone's battery status in real time. Unlike other apps, Volt Monitor never invents or estimates values it can't actually measure. It shows only real data straight from Android's system APIs. WHAT VOLT MONITOR SHOWS Current battery percentage Real-time battery voltage and current Battery temperature Charging status and charger type (USB / AC / wireless) Battery health as reported by Android Measured maximum battery capacity Declared battery capacity (by device model) HISTORY & BACKGROUND LOGGING Optionally turn on background logging to see how your battery behaves over time - a battery level chart for the last 24 hours, 7 days, or 30 days (180 days with Pro). Logging runs as a foreground service with a persistent notification, as required by Android. CHARGING SESSION DETECTION The app automatically detects when you plug in your phone and records the duration and progress of each charging session. ALERTS FOR RISKY CONDITIONS Volt Monitor warns you about unusually high battery temperature, overvoltage, or critically low charge. MULTI-LANGUAGE SUPPORT The app is available in 11 languages, including English, Czech, German, Spanish, French, Portuguese, Russian, Japanese, Indonesian, Hindi, and Arabic. PRIVACY All battery data is processed and stored locally on your device only. The app doesn't request access to your location, contacts, photos, or other sensitive data. VOLT MONITOR PRO A one-time Volt Monitor Pro purchase unlocks: Up to 180 days of history instead of 30 Ad removal Volt Monitor - accurate battery data, no guesswork.

- New: charge cycle count (Android 14+, if your phone reports it) - Explanation of why battery power is lower than on a USB meter - Fixed: Pro history older than 30 days could be deleted - More accurate capacity curve in 7/30/180-day history - Low battery and charge target alerts now use a quieter notification channel - Faster history, less storage used, minor fixes