Sunday, January 17, 2016

Choosing a battery manager for android-devices, “Master save battery» (Power Apps Tools), DU Battery Saver and Battery Doctor –

Score in Google Play (free / paid version)

Application Compatibility with other versions of OS Android
2.3 or higher

4.4 MB

Application Version

Shopping in the annex

Main functions:

  • Intelligent three-stage charging (fast, long, slow);

  • Power saving mode, which turns off when not in use at present features such as GPS, Wi-Fi, Bluetooth and synchronization;

  • The ability to see a list of running applications and the phone services to find out how much battery life they spend.

What’s new in version 3.1:

  • Added the option to automatically turn off the screen in the user’s power-saving mode;

  • Added the function off cellular data connection.


The history of the use of devices and applications:

  • View the sensitive data in the log;

  • Getting data about running applications.

The identification data:

  • Search accounts on the device.


  • Search accounts on the device.


  • The approximate location (network-based);

  • The exact location (network-based signals and GPS).


  • Get the data on the status of the phone.

Photo / multimedia / files:

  • Change / delete data on the USB-drive;

  • View your data on USB-drive.


  • Change / delete data on the USB-drive;

  • View your data on USB-drive.

The data on Wi-Fi-connected:

  • View Connection Wi-Fi.

The device ID and call information:

  • Get the data on the status of the phone.


  • Get the data from the Internet;

  • View the feed user;

  • Closing other applications;

  • Unlimited Internet access;

  • Prevent switching device to sleep mode;

  • View network connections;

  • Changing the system;

  • Enable / disable synchronization;

  • View settings synchronization;

  • Communication with devices Bluetooth;

  • Access to settings for Bluetooth;

  • Changing the network settings;

  • Connect / disconnect network Wi-Fi;

  • Run the device is switched;

  • Manage vibrate function;

  • Create Shortcut.

The first impression

Once clicked on the icon of the application, there is such a guide. Here we clearly explain that the first mole mood saving mode, and then activate it by pressing just one button. After that, the main window appears, and then by a full screen banner. In general, Cheetah Mobile clearly “luminary” app developers.

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From the Home screen, well, very small font us demonstrate that specific enough to charge the battery, for example, listen to music I 10 hours and 10 minutes. Font and icons really saddened by its size, because, as they say, you press two buttons with one finger.

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Above, we can see the panel activation modes of the device, and wireless interfaces, as well as colorful indicator of battery capacity. Here you can find very uncomfortable button activation energy saving mode. In the upper left corner – the settings that we now face it.

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So, there is an opportunity to show / not show the battery charge in the notification. Yeah, well, that this option can be switched off. Next, activate the automatic saving, i.e. charge saver will be activated when the battery capacity becomes 20% or less and so on. The whole thing is customizable slider up to one percent, which pleases.

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There are user settings. So it is possible to leave alone Wi-Fi, but disable Bluetooth. This can be done with vibration and sound synchronization. Of the features worth noting the possibility of it all when you lock or disable the screen is turned off, the smartphone has blocked the Wi-Fi extinguished, unblocked – earned. For me it is a much better solution than switching saving mode with low battery or the touch of a button. Indeed, not very nice when synchronization is interrupted for 20% battery charge at hand. In general, to each his own, and I mode “when blocking” very much.

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In the settings, you can assess the condition of the battery, but the developers for this function did not mean what I thought, that is the state of the container. “Battery Status” – this option allows the device to more accurately assess the condition of the battery in idle mode or when using different applications. In general, a kind of counter is reset after a big cycle of chargers, this can be done on a laptop. On this positive note, setting an end.

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What is the first impression? All is fine, if not for the “small” interface, but it is necessary to dig a little deeper and see what it costs for the system.


«Master energy savings” in the idle state, that is, without inclusion of “keeper” eats 91.1 MB of RAM with zero CPU load. It concluded that the program itself to a certain extent eats Accum, albeit slightly, since the CPU is calm. But it is rather a cavil than a real shortcoming. It’s all the same program with a colorful interface and good functionality rather than “air”.

In this case, the keeper of the battery runs almost all Android, but requires a huge number of permits, including all he did not need, for example, the program wants to know your location, get unlimited access to the Internet, wants to watch feeds Users and goes into the startup. Of course, much can be attributed to the possibility of the application, but …

By the way 4.4-megabyte distribution keeper grows to 13.98 MB. What is this, you can cram?

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Let’s start with the basic, ie works button Automatic conservation. All spent without problems, the network is disabled, slow screen attenuation and sound “evaporated.” Mode “in the plane” has worked in the custom settings.

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Immediately, I note that there is no confusion. If you want to display are not decayed by even after deactivation saving mode, the settings set the screen timeout. Here, however, there is only a 15-minute delay. If this is not done, the screen will go out as if to save the battery. Not quite a handy option if it is fair, because immediately understand how it works, do not dig into the settings, you can not.

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As for the saving mode when the screen is locked, it is deactivated only Wi-Fi and Mobile Data, ie the transfer of data over the mobile network. In principle this is enough or just the economy, but also security, so who got not use your network. The whole thing works without problems, ie blocked Inet disconnected, unblocked – involved. By the way, when you connect charge clambered small android-notifications. No sound signals were not only display the charging time in the status bar. This can be recharged in three modes: fast, slow and long lasting. The option also works really allows you to spare the battery capacity.

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However, this is all. In the upper right corner there is a button inconspicuous – usage statistics, which “accidentally” located next to the advertisement of recommended applications. Here you can see the battery consumption of a particular program.

Thank you for your honesty, of course, but according to statistics keeper he consumed the most, namely 48.08% (capacity 4,000 mAh). Of course, I have used the program as soon as he could, changing settings, and here and there including saving mode, but … what the keeper of the battery, which itself does not store the battery. Paradox. Also here right oceans of drink advertising, which can not be disabled.

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The problem lies in the peak load” Masters of energy savings “, which is 136.2 MB of RAM for almost two-percent CPU utilization. And all this because of the constant animated banners, I guess. Yes, deactivated network and the program will eat less, but why are dancing with a tambourine? By the way, it spent on advertising of 1.5 MB.

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All the advantages of” Masters of energy saving “thwarted its shortcomings. First, the advertising, which I had not offered disabled. Secondly – the consumption of resources and the battery itself. And the setting, as well as with an interface that is messed up. Setup requires patience, and the interface is designed for the Pygmies, and on the move you’ll ever come across a finger on advertising that angry.

If this is excluded, then yes, we have a truly multi-master with the ability to continuously charging and save you lock the screen, but in such comments is not highly recommended to close his eyes.

Evaluation: 2.5 on a scale.

Average (fine print)

The ability to self-configure
Good (intricate settings)

The maximum load on the system (CPU / RAM)
0.0-1.9% / 91 -136 MB

1.5 MB / 40 minutes

Battery consumption (measured using a third-party program of intensive use)
11-48 % / 40 minutes

Ease of use

No departures and bugs

Efficiency (real saving battery)

Intelligent Charging

Application Manager

Control with a single key

Temperature Control Battery

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