How to save battery power?

Here some tips for you;

•  Don't reset your phone if battery is low
•  when power is low, make your conversation short. Use headset if you can. Dont activate speaker mode
• Turn off unused connection when not in use, i.e. GPS, Wi-Fi, bluetooth, etc.
• Turn off keyborad sound
• Set a lower backlight timeout (in options - select screen/keyboard)
• set a lower repeat animations (browser - options - general properties)
• Use auto on/off (options)
• Use single mode only, 2G or 3G (options - Mobile network)
• Camera Setting, turn off falsh if not in use, set picture size to small, set color effect to normal, set picture quality to normal, and disable geotagging
• Turn off profile LED
• In weak or no coverage area, network scanning will drain your battery life. If you're an ara that is out of range, turn your BB's Radio (signal) off manually
• Take out battery and clean it regularly
  

Hopefully useful :)