Default Battery life Paranoia

Is this good battery life? I guess I'm just paranoid because of the Android system usage. Any tips for getting rid of that?
By the way.. I'm using SavvyRom 5.1 with Kite S3 kernel for 4.1.2.

Sent from my LG-E975 using XDA Premium 4 mobile app
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MY DEVICES
  • LG Optimus G - Ported L Preview by Kevinjoa - Stock Kernel (For Now).
  • iPad Mini (Non Retina) - 16GB - White - Jailbroken - iOS 7.1.1.
Kevinjoa: http://forum.xda-developers.com/member.php?u=5095490
L Preview Port Thread: http://forum.xda-developers.com/opti...mus-g-t2807660