2x Battery is described as 'Read 2x Battery > Settings > About > FAQ > #11 if you have wifi off issue' and is an app in the System & Hardware category. There are more than 25 alternatives to 2x Battery for a variety of platforms, including Android, Android Tablet, iPhone, iPad and Apple Watch. The best alternative is Greenify, which is free. Other great apps like 2x Battery are GSam Battery Monitor (Freemium), BatteryBot Pro (Free, Open Source), Battery Doctor (Free) and JuiceDefender (Freemium).
Never should your phone or tablet become slower and battery hungrier after lots of apps installed. With Greenify, your device can run almost as smoothly and lastingly as it did the first day you had it!
Hunt down those battery draining Apps with the App Sucker • Always know your battery state and time left estimates with a optional status bar notification • Overlay the stock battery icon with the icon pack add-on.
Shows your battery charge level (percent) as an icon in your status bar, with temperature, health, voltage, and time since plugged / unplugged in the notification area. It also has user-configurable alarms, logs, and widgets.
JuiceDefender saves battery power (lots of it!) by controlling the device data connection and/or WiFi. You can schedule regular APN/WiFi activation to let background data sync occur and have APN/WiFi enabled while the screen is on. It also helps in minimizing distractions.
Hibernator provides an easy way to hibernate all running apps and as a result it saves the battery power and improves performance, and it can also close apps automatically everytime the screen is turned off.
Toggle that prevents your phone from connecting to internet over 3G/EDGE/GPRS. This application modifies APN names and types by adding apndroid suffix to them (you can edit them anytime in your phones Settings).
Ever wondered why your smartphone screen doesnt turn off automatically when it should have, the screen wakes up all of a sudden or you find your phone battery drained even when you exited apps and turned off the screen? This might be due to wakelock holding apps.