Following popular requests, this is the merging of Battery Monitor Widget, System Tuner and Multi Toggle Widget apps.
Best on rooted phones, works well on stock phones too.

Unique features not available elsewhere (requires root):

    Clean reboot
    Turn on/off APN, BT discovery, GPS & WiFi Localization
    Automatic backup of installed apps
     Logcat reader for Android JellyBean 4.1.x
    Graphical monitoring widgets
    milli-amp consumption reporting

Full feature set (some require root access):

    File explorer (root, sd, network share, streaming)
    Application backups (auto, multiple version)
    Startup application manager*
    Application event control*
    System app uninstaller*
    System update cleaner*
    Monitoring (battery, cpu, network, memory)
    Logcat**, kernel message reader*
    App statistics since unplugged
    Task manager
    Auto-task killer
    Terminal emulator
    CPU tweaks (governor, frequency, voltages) relying on Kernel support*
    SD tweaks (cache size, scheduler)*
    Sysctl editor*
    Build.prop editor*
    Many notifications icons can be installed
    1x1 and 2x1 text widgets
    2x1, 3x1, 4x1, 4x2, 5x1 and 5x2 graphic widgets
    1x1 and 4x1 toggle widgets***
    App optimizer (zipalign and database cleaner)
    Battery saver (cpu, switch off wifi, bt...)***

* Requires root access
** Requires root access on Android 4.1 and above
*** Requires root for full feature

What's in this version : (Updated : May 21, 2014)

    Add warning before accessing manufacturer's test screen
    Add ability to restore older SMS or call-log backups
    Improve full-screen compatibility
    Improve relink-to-SD on boot
    Bug fixes

Required Android O/S : 2.1+