Хан i get обитал battery life than this?

router@router:~$ lsb_release -a && uname -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 15.10
Release:    15.10
Codename:   wily
Linux router 4.2.0-23-generic #28-Ubuntu SMP Sun Dec 27 17:47:31 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

ДВОЙСТВЕННЫЙ MY BOOT WINDOWS 7 GIVES Я 4:30 МИН OF BATTERY LIFE [МАКС 5HR]

my setup:

1. get http://ubuntu.ntc.net.np/ubuntu/dists/wily/main/installer-amd64/current/images/netboot/mini.iso
2. get xfce4 AND общепринятый My stuffs [BATTERY LIFE: 3:40 HRS]
3. Installed proprietary драйвер for processor microcode firmware for intel CPU]
4. battery life: 4:10 HRS
5. got laptop-mode-tools setup [BATTERY LIFE: 4:30 HRS]
6. got powertop tunning setup [BATTERY LIFE: 5:10 HRS]
7. got pm-utils [ps-powersave true] running [BATTERY LIFE 9:00 HRS]
8. Now how хан i get обитал??

^{(Click image to enlarge)}