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The actual charging characteristics are actually managed at the kernel level (or even lower, as the battery has its own circuitry). I don't use it so much for adjusting the clock speeds, but instead use the app to undervolt slightly, use a more intelligent thermal throttling scheme, and enable additional processor sleep states.Ĭlick to expand.I haven't used either of those apps, but looking at their Play Store descriptions doesn't give me anything to suggest that they are able to directly control the charging current - even the "professional charging" (lol wtf?) or "unique 3 stage charging" of Battery Doctor just look to be pretty interfaces for the built-in charge management.
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I find this handy for a lot of games that want to stay in the background to receive notifications (which I don't want anyway), and for some apps that like to misbehave. Greenify, which makes it easy to automatically suspend apps that might otherwise prevent the device from sleeping while they lurk unnecessarily in the background.
SNAPDRAGON BATTERY GURU OR DU FREE
The app is free and doesn't require root, which is awesome - but is only available for certain devices with certain Snapdragon-powered devices. It is also able to toggle Wifi status based on where I use it, and it has learned my charging routine so that it can provide an alert if it doesn't look like my phone will last from one charge to the next. For instance, it may allow Google+ to sync every 20 minutes because I frequently check that, but only sync Contacts a one or two times a day since that data rarely changes.
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I eventually stopped because I found that their rigid schedules didn't always work so great for me (not to mention that some apps get straight-up pissed without data available, and can fall into a constant update-fail-retry cycle - keeping the device awake when it could otherwise be sleeping), and I didn't think the negligible difference in standby time was worth the inconvenience. Once upon a time, I made heavy use of apps like Juice Defender or Green Power.