WHAFF Battery(Power Saver)

Dugin Kim · com.wf.wfbattery

4.5 out of 5 (33 ratings) 1M+ downloads v1.1.8 8.9 MB Android 4.0.3+ PEGI 3 · Everyone

Download APK 8.9 MB All versions

At a glance

Latest version: v1.1.8 (29)
Updated: Sep 19, 2025 (1 year ago)
APK size: 8.9 MB
Requires: Android 4.0.3+ (API 15)
CPU support: Any (no native code)
Category: Demo (app)
Listed since: Feb 3, 2017
Permissions: 27 (6 sensitive)
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

WHAFF Battery(Power Saver) is an app by Dugin Kim in the Demo category, listed since February 2017. It has no native code, so it runs on any Android processor.

It asks for 27 permissions, 6 of them sensitive, including precise location, read shared storage and display over other apps.

Ratings

4.5out of 533 ratings

5 ★85%
4 ★0%
3 ★6%
2 ★0%
1 ★9%

Ratings from users of the source store — not collected or verified by AAPKs.

Description

From the listing uploaded by “catappult”.

We suggest a more rational use of WHAFF. WHAFF Battery is designed for stopping unnecessary background apps and efficient battery management. This is a free utility app. You can easily extend battery life by managing battery with a single touch. Excessive background app usage causes continuous battery drain. This makes you to recharge your device frequently and, in the worst case, battery replacement. Slide down from the top of the screen. In the notification area, you can prevent battery damage with one touch. How many apps you don’t use are there on your smartphone? Do you know that even though you are not using an app, it is running secretly? Extreme Power Saving Mode prevents apps that are not in use from consuming more smartphone battery until you use them.

WHAFF Battery(Power Saver) among popular Demo apps

WHAFF Battery(Power Saver) is one of the 36 most downloaded apps in our Demo category.

WHAFF Battery(Power Saver) and the Demo apps ranked next to it by downloads
App	Rating	Downloads	Download size
Fun games for kids	–	1M+	47.3 MB
1DM Lite: Video, Torrent Download manager	4.6 (5)	1M+	–
WHAFF Battery(Power Saver) (this app)	4.5 (33)	1M+	8.9 MB
Impossible Tracks: kid Bicycle	–	500K+	–
رادیو تلویزیون همراه ایران	–	500K+	–

Apps listed next to it in our Demo ranking by downloads. Ratings and download counts come from the source store; ratings with fewer than five votes and sizes of outdated listings aren't shown.

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “WHAFF” Not the developer's name (“Dugin Kim”). Names in certificates can't be verified, so this alone proves nothing.

Store checks and file details

Developer signature verified Nov 13, 2021
Antivirus scan result not available
Signed byCN=WHAFF, OU=WHAFF, L=SEOUL
Signing certificate (SHA-1)CD:49:19:2F:D2:FA:B0:64:A7:20:99:E6:C0:73:5A:79:6B:A2:F0:BC
File MD58449b2d41ca9d0c1a36760012950507b
Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (27)

WHAFF Battery(Power Saver) requests 27 permissions, 6 of them sensitive.

Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Package usage stats Sensitive android.permission.PACKAGE_USAGE_STATS
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Write settings Sensitive android.permission.WRITE_SETTINGS
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Change network state android.permission.CHANGE_NETWORK_STATE
Change wifi state android.permission.CHANGE_WIFI_STATE
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Get package size android.permission.GET_PACKAGE_SIZE
Get tasks android.permission.GET_TASKS
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Kill background processes android.permission.KILL_BACKGROUND_PROCESSES
Launcher read settings (custom) com.android.launcher.permission.READ_SETTINGS
Manage accounts android.permission.MANAGE_ACCOUNTS
Prevent the device from sleeping android.permission.WAKE_LOCK
Read sync settings android.permission.READ_SYNC_SETTINGS
Real get tasks android.permission.REAL_GET_TASKS
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Usb permission android.permission.USB_PERMISSION
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE
Write sync settings android.permission.WRITE_SYNC_SETTINGS

Required hardware & features

Basic touch input android.hardware.faketouch
Location android.hardware.location
Portrait screen android.hardware.screen.portrait

WHAFF Battery(Power Saver) APK: questions and answers

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is the WHAFF Battery(Power Saver) APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 8449b2d41ca9d0c1a36760012950507b.