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Originally Posted by camaro75
Is there anything that can be done about the battery life? As soon as take my phone off charge and make one phone call I always notice that the battery goes to the 80's immediately. I love the rom, I would just like to know if anything can be done to better preserve the battery.
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Battery life and calibration, especially after flashing to a new ROM is a funny thing. You should wait a few days/charge cycles to see what your actual experience is throughout the day(s), and not judge based off the first few minutes/calls after a charge.
When I take my phone off charge it drops to 95-97% within a minute, and down past 90% after just a little use -- but -- I still have about 30% left after 12 hours. That is my average day on a standard battery with some bluetooth calls, using Garmin XT w/ GPS to get to clients, some regular calls, some tinkering, some emails and a few texts. In fact, I used to run stock with an extended battery, but I have been able to go back to standard since I started running custom ROMs, and EnergyROM has been great for me in that department.
There are of course lots of battery-saving tips floating around that you may have already considered, but it never hurts to review them again, such as these from the XDA EnergyROM thread...
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BATTERY SAVING TIPS
• There is nothing special about this ROM to make it use more power than other ROMs except that it is tweaked for performance over battery life.
• Make sure you follow all of the flashing instructions to the letter. Especially the part about the hard reset.
• Backlight is set to high. You might want to change that.
• 3G is on by default. Recommendation is to turn it off when you are not surfing the internet.
• Check to see that some application is not still running in the background. Check, do not assume. USe the full Task Manager application.
• Check to see if the screen is still on when you expect it to be off. Soft reset can fix that issue.
• Some radios work better with some carriers and locations. Asking everyone to tell you what radio to use may not give you the best answer. Be specific about your situation.
• The battery meter will not settle down and give accurate readings for a few battery cycles. Give it a while.
• For the first few battery charging cycles, try to charge to 100% with phone off and then allow battery to drain down quite a bit before recharging. Thisis so the meter will calulate drain well.
• Don't drain your batery all the way down until it dies. Not good for these types of batteries.
• The GPS sucks the battery dry. If you want to keep track of yourself, consider something like GPSToday that only wakes up the GPS once in a while.
• Maybe you don't really need aGPS enabled. Disable and check GPS lock times and battery drain.
• Applications that run from the storage card consume more power so install oft-used or background-type applications to main memory.
-BigBadger
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