It is due to the higher cost of batteries
1* About 50% of the battery using Android brait ane Sah display or screen display. If you reduce the brightness of the display Android long battery backup is available. But a limit is reducing the brightness of mobile groups. Even if the brightness is reduced as a result.
2* Sirius mobile CPU or standby mode that is well charged. Although the CPU of the mobile screen can not. Though the screen of the battery is reduced.
3* One of the things Jemima Android gaming. Time passes can also begin to play a little bit. Long battery life, but the gameplay is over very quickly.
Samurai the above reasons, the battery is expensive. Now I'll tell you how to control these things
