Configuring JuiceDefender for Android

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.

Easy Mode

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.

JuiceDe­fender Inter­face

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.

Opti­mum Settings

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.

About Eoghann Irving

Overly opinionated owner and author of You can get updated on his posts directly on the blog here or through the usual social networking suspects. What? You expected me to say something interesting here? That's what the blog posts are for. Eoghann has often wondered if people read these little bio things we have to fill out everywhere on the internet and, assuming they do, why?