Best 4 Free Battery Saver Application for Android Smartphone

The Bis problem of smartphone is Battery Charge. Charge losing highly because of associate with of many social media sites. Users are in great tension with the problems. Android take charge quickly. With a full charge you can use a day. But there is some way to save charge like close background apps & Sync, Map, Games, Low screen light etc. Some wonderful apps there to save battery life. Lets introduce some of them: 

1. Battery Doctor 

Firstly this apps is free to use. It will work with your setting and take some changes that will save your battery. It has facility to use in 19 different languages. It will help to low down screen light, control game, control charge when connect to WiFi etc. Besides has a special windows for task cleaner with that you can perform fast WiFi, Data, Brightness, Power Saving Mode etc. 

2. Battery Defender 

After install this apps it will start performing automatically.

How to use

1. Automatically, just enable it.
2. Shows battery percent in the notification bar.
3. Fast wifi/data/bluetooth switch.
4. App white list for streaming apps.

How it works

1. Automatically disable WiFi and data connection after you turning off your screen(with 15~20 secs latency).
2. Genius Sync, allow app to sync every 15 minutes but save battery.
3. Quiet sleeping. Disable data network and WiFi connections when you are sleeping. Sleeping time can be adjusted as your prefer.
4. Low Battery Policy. When battery is running out, it will disable data network and WiFi when you are not using your phone.

3. Juice Defender

With Juice Defender you can easily keep power consumption under control (e.g. disabling connectivity when the battery runs low), schedule regular synchronization events, enable or disable connectivity for specific apps, auto-toggle WiFi depending on your location, and much more.

Run at full capacity when you need it, save battery when you don’t!

Features

    5 preset profiles (from default mode to full customization)
    easy and intuitive user interface (ads free!)
    2 home screen widgets
    mobile data toggle automation
    2G/3G toggle automation**
    WiFi toggle automation + auto-disabling option
    location-aware WiFi control (e.g. enable WiFi only at home/work, disable it otherwise)
    battery consumption optimization (e.g. when screen off, battery under threshold, etc.)
    comprehensive connectivity scheduling (regular schedule, night time/peak time, week days/weekends)
    connectivity control for specific apps (e.g. when Pandora is running, leave connectivity on no matter what)
    CPU scaling when phone is idle**
    full activity log

4. Battery Widget Reborn

Battery Widget Reborn is one of the nicest-looking battery apps available for Android devices, with a clever circle battery meter and Holo Theme interface. But it doesn't just look good: The app delivers on essential battery stats and other information.

In addition to the resizable widget, Battery Widget Reborn offers battery usage stats (e.g., how long it takes to fully charge and how long your battery typically lasts), an estimate of when your battery will be empty, how much battery is being used by individual apps, and quick power settings.

It even comes with an auto flight mode to save battery at night and is highly customizable.

Currently in beta, the app is free and works on Android 2.3 and up. After the beta ends in a couple of weeks, there will be both a "Freemium Lite" and a Pro version.

Basically, if you want to keep an eye on your Android battery life, download this app, because it's a pleasure to use