Skip to content
Tools for Android Tools for Android
  • Home
  • All-in-One Toolbox
    • Getting started
      • What is 3C All-in-One Toolbox?
      • Features Comparison
      • Permissions requested
      • Public libraries being used
      • Why was 3C All-in-One Toolbox created?
    • Main (expert) screen
    • Online Help
      • Shortcuts
      • App Manager
        • App List
        • App Backups
        • One-Click
        • App Startup/Events
        • App Statistics
        • App Permissions
      • Battery Manager
        • Estimates
        • Battery Comparison
        • Battery Calibration
        • Time Estimates
        • History Graphics
        • History Text
        • Battery Status
        • Battery Use Times
        • Battery Information popup
        • Statistics
      • CPU Manager
        • Summary
        • Graphics
        • CPU Controls
        • GPU Controls
        • CPU Voltage
        • CPU Frequency Times
        • CPU Governors
        • MPDecision
        • CPU Thermals
      • Device manager
        • Summary
        • One-click
        • Scheduler
        • Profiler
        • Watcher
      • Network manager
        • Network summary
        • Running
        • Details
        • Graphics
        • VPN Tethering
        • Android Firewall
        • DNS Changer
        • TCP Congestion Algorithm
        • WiFi MAC Editor
        • WiFi prioritization
      • ROM Manager
        • Build.prop Editor
        • Font changer
          • Font downloader
        • Boot animation changer
      • SQLite Manager
        • Tables
          • Rows
            • Values
          • Manual SQL
      • System Manager
        • Memory Information
        • System
        • Storage
        • Cache Size
        • Entropy
        • File System Triming
        • Kernel SysCtl Tweaks
        • Miscellaneous
        • Gamma controls
        • Sound controls
      • Task Manager
        • Process Details
        • Kill / force-stop
      • Task Recorder
        • Analyzer
      • Usage Manager
        • Usage
        • Limits
      • File Explorer
      • Terminal Emulator
        • Scripting
          • Script Editor
      • Log Reader
    • Settings
      • UI Settings
        • General UI settings
        • UI theme settings
        • UI main screen settings
        • Task manager UI settings
          • Force-stop settings
            • Force-stop included apps
        • Network manager UI settings
        • File manager UI settings
        • Log reader UI settings
      • Alarms and Notification
      • Widgets settings
        • Widget look’n’feel settings
          • Widget colors settings
        • Widget content settings
      • Applications settings
        • Applications active tweaks
      • Battery settings
        • Battery monitoring settings
        • Battery calibration settings
        • Battery markers settings
        • Battery active tweaks settings
      • Notifications settings
        • Icon Package selection
        • Download icon packages
      • Recorder settings
        • Items to record
      • Terminal Emulator Settings
      • Line overlay settings
      • Overlay widget settings
      • Line indicators settings
      • Active tweaks
      • Help and support
      • Translation
    • Controls Popup
    • CPU Control popup
    • Download 3C Toolbox icon packages
    • Download Battery Monitor Widget icon packages
  • Companion
    • Install from mobile
    • Install from PC / Mac / Linux
  • Sensitive Backups
  • Battery Watch
    • Watchers
    • Statitics
    • Settings
      • General
      • Theme
      • Notification
  • Other Apps
    • Battery Monitor Widget
      • Efficient Monitoring and Saving CPU time
      • Graphics
      • BMW Settings
        • Main Screen
        • Notifications
        • Monitoring
        • Display
      • Widgets
      • Calibration – Measuring total capacity
    • Multi Toggle Widget
  • Blog
  • Privacy Policy
  • Home
  • All-in-One Toolbox
    • Getting started
      • What is 3C All-in-One Toolbox?
      • Features Comparison
      • Permissions requested
      • Public libraries being used
      • Why was 3C All-in-One Toolbox created?
    • Main (expert) screen
    • Online Help
      • Shortcuts
      • App Manager
        • App List
        • App Backups
        • One-Click
        • App Startup/Events
        • App Statistics
        • App Permissions
      • Battery Manager
        • Estimates
        • Battery Comparison
        • Battery Calibration
        • Time Estimates
        • History Graphics
        • History Text
        • Battery Status
        • Battery Use Times
        • Battery Information popup
        • Statistics
      • CPU Manager
        • Summary
        • Graphics
        • CPU Controls
        • GPU Controls
        • CPU Voltage
        • CPU Frequency Times
        • CPU Governors
        • MPDecision
        • CPU Thermals
      • Device manager
        • Summary
        • One-click
        • Scheduler
        • Profiler
        • Watcher
      • Network manager
        • Network summary
        • Running
        • Details
        • Graphics
        • VPN Tethering
        • Android Firewall
        • DNS Changer
        • TCP Congestion Algorithm
        • WiFi MAC Editor
        • WiFi prioritization
      • ROM Manager
        • Build.prop Editor
        • Font changer
          • Font downloader
        • Boot animation changer
      • SQLite Manager
        • Tables
          • Rows
            • Values
          • Manual SQL
      • System Manager
        • Memory Information
        • System
        • Storage
        • Cache Size
        • Entropy
        • File System Triming
        • Kernel SysCtl Tweaks
        • Miscellaneous
        • Gamma controls
        • Sound controls
      • Task Manager
        • Process Details
        • Kill / force-stop
      • Task Recorder
        • Analyzer
      • Usage Manager
        • Usage
        • Limits
      • File Explorer
      • Terminal Emulator
        • Scripting
          • Script Editor
      • Log Reader
    • Settings
      • UI Settings
        • General UI settings
        • UI theme settings
        • UI main screen settings
        • Task manager UI settings
          • Force-stop settings
            • Force-stop included apps
        • Network manager UI settings
        • File manager UI settings
        • Log reader UI settings
      • Alarms and Notification
      • Widgets settings
        • Widget look’n’feel settings
          • Widget colors settings
        • Widget content settings
      • Applications settings
        • Applications active tweaks
      • Battery settings
        • Battery monitoring settings
        • Battery calibration settings
        • Battery markers settings
        • Battery active tweaks settings
      • Notifications settings
        • Icon Package selection
        • Download icon packages
      • Recorder settings
        • Items to record
      • Terminal Emulator Settings
      • Line overlay settings
      • Overlay widget settings
      • Line indicators settings
      • Active tweaks
      • Help and support
      • Translation
    • Controls Popup
    • CPU Control popup
    • Download 3C Toolbox icon packages
    • Download Battery Monitor Widget icon packages
  • Companion
    • Install from mobile
    • Install from PC / Mac / Linux
  • Sensitive Backups
  • Battery Watch
    • Watchers
    • Statitics
    • Settings
      • General
      • Theme
      • Notification
  • Other Apps
    • Battery Monitor Widget
      • Efficient Monitoring and Saving CPU time
      • Graphics
      • BMW Settings
        • Main Screen
        • Notifications
        • Monitoring
        • Display
      • Widgets
      • Calibration – Measuring total capacity
    • Multi Toggle Widget
  • Blog
  • Privacy Policy

Frequently Asked Questions

  • Home
  • Blog
  • Frequently Asked Questions
Posted inFrequently Asked Questions

Voltage not available?

Posted by By 3C 4 May 2025
Please visit XDA for a compatible Kernel. NB: If you believe your kernel supports voltage control…
Read More
Posted inFrequently Asked Questions

How estimated mA is calculated?

Posted by By 3C 27 April 2025
Many old phones do not provide real current mA, thus the app is calculating it…
Read More
Posted inFrequently Asked Questions

How accurate is calculated/measured mAh

Posted by By 3C 27 April 2025
The app calibration screen provides a battery real capacity (mAh) based on historical charge cycle…
Read More

Latest news

  • Voltage not available?
  • Incorrect % readings
  • How estimated mA is calculated?
  • Should you use a task killer?
  • How does calibration works?

Latest comments

  1. 3C on Battery Optimizations29 March 2025
  2. 3C on Missing history or background service stopped29 March 2025

Navigation

Copyright 2025 3C — Tools for Android. All rights reserved.
Scroll to Top