After my previous post about how JuiceDefender dramatically improves the battery life of Android phones, I received an inquiry about the many different settings that JuiceDefender offers. Well I don't pretend to be an expert but I can offer some insight on the settings I'm using.
First off, if you don't want to mess with a dozen different settings, the initial configuration will set things up in a default "easy" mode that gives you substantial battery savings without any further adjustments. You don't really need to do anything more than that. But Android owners do like to tweak.
In all honesty the JuiceDefender interface is not user friendly. Basically it's just a mass of buttons grouped in an order which I don't entirely understand. So the easiest thing to do is just to address them in the order they appear on the screen.
- Enabled - It's the on/off button.
- Notification - Turn this off unless you want to be constantly notified when JuiceDefender changes something.
- Data / 3G / WiFi - Let JuiceDefender control your how often your Data /3G / WiFi connection is activated when the phone is idle. These options can be scheduled, see the Schedule button below.
- CPU - For people with a rooted phone JuiceDefender can overclock or underclock your CPU allowing you to either run faster or save battery by running a little slower.
- Schedule - Set up how often the Data/3G/Wi-Fi. I use a setting of 1 minute in every 15 during which time your phone will poll for data updates, synchronize contacts etc.
- Night - A special night time schedule during which your Data/3G/Wi-Fi will be completely disabled. It can also mute the phone and put it in airplane mode for additional battery saving.
- Battery - You can set the battery % at which JuiceDefender cuts all Data/3G/Wi-Fi in order to extend battery life. I set it at 15%,
- Traffic - This setting is used to keep the data active if a download is occurring. I set it at a 10KB per second so it doesn't shut down music streaming if the screen blanks.
- Peak - The reverse of Night, you can define a time at which data should always be active. I don't use this setting myself.
- Apps - Forces data connectivity on or off if a certain app is running. I don't use this one either.
- Screen - You can make the data connectivity stay on when the screen is unlocked or when the screen is turned on. I have it set to unlocked so I can check the lock screen for information without turning on the data.
- Location - You can set certain locations where data is always on or always off.
I'd love to be able to give you a list of optimum settings for the program, but I really can't, because it depends on how you use your phone. I'd suggest starting with the defaults and adjust one setting at a time. If you aren't constantly checking your phone then a Schedule of 3 minutes out of 1 hour might save a lot more battery.
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