Help 2.3.6 terrible battery

[John L]

Hi guys, My android 2.3.6 battery is truly awful, I have the brightness at 10%, I always have GPS off, Wifi off, Bluetooth off, auto rotation off. I also have auto sync turned off for all apps, RAM usage is only around 280mb. But when I go to the battery usage, it says that the display takes up around 40% of the battery, android system 2nd with 19% and android os 3rd with 11%, is this normal even if i have my brightness fully low? I downloaded JuiceDefenderUltimate the other day hoping that will fix it, but still the same it goes down 1% every 10-15 mins when im only texting, and goes down about 10% in 10-15 mins when on youtube or playing games. Any help would be grateful.
Also, if anyone knows of any OS that has a battery life please say

Thanks.

 

[ironass]

Screen will always consume the most battery... unless your screen is never on. Some versions of Gingerbread, Android 2.x, were not very battery friendly I'm afraid.

I would advise upgrading to ICS, Android 4.0.x, see, here.

Alternatively, you could stay on Gingerbread and do a Factory Reset which would clear your system of any rogue app's and settings.

You could just install a monitor, such as BetterBatteryStats and try and track down what your issues are.