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BatteryFu (pronounced Battery-Foo, like in Kung-Fu) extends battery life (and lowers data usage) by changing always-on mobile/wifi data to periodic sync (meaning it disables your mobile data and/or Wifi, then checks your accounts every X minutes). This also provides a way to manage your data usage.
BatteryFu is also great for tablet use to keep accounts sync'd even when the tablet is in sleep/standby. Normally accounts won't sync due to WiFi going to sleep (see "WiFi sleep policy").
There are lots of other battery savers on the market, but this one has been around since 2010, and has no ads or spyware (see permissions).
Features:
* Lean and fast (see download size!)
* Work for all networks (CDMA/GSM) from Gingerbread up
* Notification icon: lets you switch modes even while inside another app.
* Data while screen is on, with screen off delay
* Data while charger is plugged in
* Pre-defined modes: Travel mode, Online mode, Offline mode, Night mode, etc.
* BatteryMinder shows battery stats, like usage during screen off, kernel wakelocks, etc.
* 3rd party app support (using intents) so that you can control BatteryFu from your own app. Email me for details.
Note:
* Do not move to SD
* Do not task kill
* Disable before un-installing
* If your battery drains more than about 10% overnight with Night mode on, then something else is draining your battery. Uninstall some apps and/or reboot.
Tips for even better battery life:
* Select "2g networks only" in Android settings
* Turn off "Network notification" under Wifi settings
* Uninstall apps if your phone is running out of RAM (e.g. slow to get to homescreen or switch apps)
* If your battery life is out of control, reset phone to factory defaults, install BatteryFu and be amazed! Then slowly re-install some apps
* Do not put apps on SD card if they run in the background. SD card access drains battery.
* Some Samsung devices drain battery overnight after Maps/Navigation is used (even with GPS off). Turning off "Use wireless networks" under Location settings and rebooting seems to help. You will see this as a long "gps" wakelock in BatteryMinder.
See website for more information, if you have problems, or would like to donate. Email for support, I don't check comments.
Similar apps: JuiceDefender, GreenPower, ApnDroid, BetterBatteryStats, CPUSpy
Tested and works great on: HTC Dream (G1), HTC Hero, Huawei Ideos U8150, Archos Internet Tablet, Samsung Galaxy Tab, Samsung Galaxy S2, Samsung Galaxy Note, Samsung Galaxy S3
Tags: battery fu, batteryfu android, android batteryfu, batteryfu battery saver, android battery fu.
BatteryFu is also great for tablet use to keep accounts sync'd even when the tablet is in sleep/standby. Normally accounts won't sync due to WiFi going to sleep (see "WiFi sleep policy").
There are lots of other battery savers on the market, but this one has been around since 2010, and has no ads or spyware (see permissions).
Features:
* Lean and fast (see download size!)
* Work for all networks (CDMA/GSM) from Gingerbread up
* Notification icon: lets you switch modes even while inside another app.
* Data while screen is on, with screen off delay
* Data while charger is plugged in
* Pre-defined modes: Travel mode, Online mode, Offline mode, Night mode, etc.
* BatteryMinder shows battery stats, like usage during screen off, kernel wakelocks, etc.
* 3rd party app support (using intents) so that you can control BatteryFu from your own app. Email me for details.
Note:
* Do not move to SD
* Do not task kill
* Disable before un-installing
* If your battery drains more than about 10% overnight with Night mode on, then something else is draining your battery. Uninstall some apps and/or reboot.
Tips for even better battery life:
* Select "2g networks only" in Android settings
* Turn off "Network notification" under Wifi settings
* Uninstall apps if your phone is running out of RAM (e.g. slow to get to homescreen or switch apps)
* If your battery life is out of control, reset phone to factory defaults, install BatteryFu and be amazed! Then slowly re-install some apps
* Do not put apps on SD card if they run in the background. SD card access drains battery.
* Some Samsung devices drain battery overnight after Maps/Navigation is used (even with GPS off). Turning off "Use wireless networks" under Location settings and rebooting seems to help. You will see this as a long "gps" wakelock in BatteryMinder.
See website for more information, if you have problems, or would like to donate. Email for support, I don't check comments.
Similar apps: JuiceDefender, GreenPower, ApnDroid, BetterBatteryStats, CPUSpy
Tested and works great on: HTC Dream (G1), HTC Hero, Huawei Ideos U8150, Archos Internet Tablet, Samsung Galaxy Tab, Samsung Galaxy S2, Samsung Galaxy Note, Samsung Galaxy S3
Tags: battery fu, batteryfu android, android batteryfu, batteryfu battery saver, android battery fu.
Recently changed in this version:
v1.43
- fixed bug in BatteryMinder stats output
v1.42 - many enhancements!
- New option: keep data while screen on. Prevents data disconnect while you browse.
- BatteryMinder (experimental) - displays battery stats like BetterBatteryStats and CPUSpy to help you find battery hogs
- New notification and list icons
- Holo theme for newer devices
- Easier to understand mode titles
- Ability to go online/offline at any time
Comments and ratings for BatteryFu battery saver
(59 stars)
by A Google User on 06/04/2013
If you set it up right it works as good if not better than Juice Defender plus it's free. Normally my galaxy s3 phone would burn approx 1-2 percent per hour while the screen is sleeping. I now burn about 1 percent for every 3-4 hours of use when the phone
(59 stars)
by Yogi Renditya on 28/03/2013
This is the smallest battery app and full of great feature. Only need battery percentage icon, so I dont have to install additional battery icon.
(59 stars)
by Richa Gupta on 28/03/2013
Perfect app! Excellent performance..
(59 stars)
by Nitin Gandhi on 06/03/2013
Its the Finest Battery Saver App So far Developed. 1. Does what its is meant to do "Saves Battery by toggling data" 2. Very Light , takes 1/10th size of any other apps,check in your phone Application folder. 3. No Non Sense features 4. Clean interface 5
(59 stars)
by Sivaraj Kandaswamy on 09/02/2013
Superb app. Saves battery and periodically turns on/off data. Has option to turn off data when phone is on every time. Works great.
(59 stars)
by Steven Hanauer on 01/02/2013
2 of the most important aspects of your phone: 1: Battery life. More or less doubled as the unnecessary radios are switched off while phone is not using them (normally they remain on in the background) 2: Data. Reduced, as unnecessary background updates a
(59 stars)
by vukrmaaditya d on 01/02/2013
Very good